Entries |
Document | Title | Date |
20080265871 | CURRENT MEASUREMENT APPARATUS - Apparatus and methods are provided for a system for measurement of a current in a conductor such that the conductor current may be momentarily directed to a current measurement element in order to maintain proper current without significantly increasing an amount of power dissipation attributable to the current measurement element or adding resistance to assist in current measurement. The apparatus and methods described herein are useful in superconducting circuits where it is necessary to monitor current carried by the superconducting elements while minimizing the effects of power dissipation attributable to the current measurement element.” | 10-30-2008 |
20080265872 | WIRING SUBSTRATE AND CURRENT DETECTION DEVICE - An object of the present invention is to provide a wiring substrate capable of accurately detecting a potential difference in a shunt resistor and a current to be detected without being influenced by soldering, and a current detection device. A land mounted with a rectangular surface at each end of a shunt resistor is configured by first and second lands each having a rectangular portion and being arranged at a predetermined interval with a central line as a center, and third and fourth lands each having an area smaller than those of the first and second lands and being arranged at one end of the first and second lands to be connected respectively to the first and second lands. A wiring pattern for detecting a potential difference between the both ends of the shunt resistor is configured by a first wiring pattern connected to the third land and pulled out from the third land towards the fourth land, a second wiring pattern connected to the fourth land and pulled out from the fourth land towards the third land, and third and fourth wiring patterns connected respectively to the first and second wiring patterns and pulled out into one direction. | 10-30-2008 |
20090045801 | Temperature stable current sensor system - A current sensor system that uses a sensor resistor to sense current flow and in which the level of voltage drop across that resistor is used to control the current flow through another resistor, the input resistor, into a current integrator. The ratio of input resistor to sensor resistor resistance values determines the ratio of sense current to integrator input current level. By matching the temperature coefficients of the resistors the effects of temperature are reduced. The integrator output provides either directly or indirectly a voltage level, frequency, or duty cycle output signal to indicate the sensor resistor current level. | 02-19-2009 |
20090058398 | CURRENT/VOLTAGE DETECTION PRINTED BOARD AND CURRENT/VOLTAGE DETECTOR - A printed board, includes: a first shield portion, configured to reduce an influence of an electric field in combination with a casing accommodating the printed board, at least a part of the first shield portion being formed with a plurality of through holes; and a second shield portion, configured to reduce the influence of the electric field in combination with the casing, at least a part of the second shield portion being formed with a plurality of through holes, wherein the second shield portion is arranged alongside of the first shield portion. | 03-05-2009 |
20090115401 | System comprising an automotive fuse and an A/D converter - The invention relates to a system which comprises an automotive fuse and an A/D converter. Conventional systems comprising an automotive fuse and an A/D converter are designed such that a measured value is generated at the automotive fuse, which value is then amplified and passed on to the A/D converter via a long signal line. The novel space-saving system is characterized in that the A/D converter is located in close vicinity to the automotive fuse. The automotive fuse supplies the non-amplified, analog measured value for the input of the A/D converter. Signal transmission is carried out digitally via a bus system. It is especially advantageous if all components are housing in a common housing. Signal transmission is then carried out digitally via a bus system. The inventive system is suitable for use in data bus systems of vehicles. | 05-07-2009 |
20090115402 | VOLTAGE DETECTING CIRCUIT AND SEMICONDUCTOR DEVICE INCLUDING THE SAME - A voltage detecting circuit detects a voltage between first and second wirings, and comprises at least first and second transistors connected in series between the first and second wirings, wherein a first reference voltage is supplied to a gate of the first transistor, a gate and a drain of the second transistor are short-circuited, and a detection signal is output from a connection point between a drain of the first transistor and a source of the second transistor. | 05-07-2009 |
20090167292 | Current Measuring Apparatus - A current measuring apparatus is disclosed. The current measuring apparatus comprises a power supply unit, an impedance setting module, and a current measuring unit. The power supply unit is adapted to provide an electric power to an electronic apparatus. The impedance setting module is adapted to provide at least one impedance value to the electronic apparatus so that the electronic apparatus is able to be activated in response to the electric power and the impedance value. The current measuring unit is adapted to show a current consumption value of the electronic apparatus under the activated state. | 07-02-2009 |
20090184704 | MTJ sensor including domain stable free layer - By subdividing the free layer of a GMR/TMR device into multiple sub-elements that share common top and bottom electrodes, a magnetic detector is produced that is domain stable in the presence of large stray fields, thereby eliminating the need for longitudinal bias magnets. Said detector may be used to measure electric currents without being affected by local temperature fluctuations and/or stray fields. | 07-23-2009 |
20090278527 | PRECISION AC CURRENT MEASUREMENT SHUNTS - A more precise and cost effective means than previously commercially available for measuring alternating currents up to 100 amperes in the frequency range from direct current to 100 kilohertz can be measured with precision approaching 0.001% employs a shield around a resistive network. The shield is electrically isolated from the resistive network, but acts as a heat sink to draw heat generated by the resistive network away, promoting fast stabilization times. The shield also provides electrical shielding from outside interference allowing the geometric arrangement of elements in the resistive network to minimize induced inductance and capacitance. | 11-12-2009 |
20090284248 | METHOD AND APPARATUS FOR HIGH CURRENT MEASUREMENT - In order to extend the measurement range of a current sensor, a current divider is formed by a first conductor formed in a current sensor that is mounted on a printed circuit board and a second conductor on the printed circuit board that electrically shorts at least one input terminal of the current sensor to at least one output terminal of the current sensor. The input terminal of the current sensor supplies the current to be measured to the first conductor and the output terminal supplies the measured current back to the printed circuit board. | 11-19-2009 |
20090284249 | Sensor, Method and System of Monitoring Transmission Lines - An apparatus, method, and system for measuring the magnetic field produced by phase conductors in multi-phase power lines. The magnetic field measurements are used to determine the current load on the conductors. The magnetic fields are sensed by coils placed sufficiently proximate the lines to measure the voltage induced in the coils by the field without touching the lines. The x and y components of the magnetic fields are used to calculate the conductor sag, and then the sag data, along with the field strength data, can be used to calculate the current load on the line and the phase of the current. The sag calculations of this invention are independent of line voltage and line current measurements. The system applies a computerized fitter routine to measured and sampled voltages on the coils to accurately determine the values of parameters associated with the overhead phase conductors. | 11-19-2009 |
20100013459 | CIRCUITS AND METHODS FOR HIGH-EFFICIENCY ON-CHIP POWER DETECTION - Power detector integrally formed within a printed transmission line to capacitively couple a portion of signal power propagating on the printed transmission line and a power detector circuit that receives coupled power output from the power detector to detect a power level of the signal power. The power detector is designed such that capacitance of the coupling capacitor is absorbed into a distributed capacitance of the transmission line to maintain continuity of a characteristic impedance of the transmission line. | 01-21-2010 |
20100066351 | DEVICE FOR MEASURING A CURRENT FLOWING IN A CABLE - An exemplary embodiment relates to a measuring device for measuring a current flowing in a first cable. The measuring device includes a measuring shunt in the form of a plate connected in series with the first cable and associated with a measuring electronic card connected to a data transmission cable. The measuring shunt further includes a measuring portion of resistive alloy coupled to connection portions on either side of the measuring portion. The connection portions are integrally formed with the measuring portion, and the first cable is secured to at least one of the connection portions of the measuring shunt. | 03-18-2010 |
20100109648 | Current sensing inductor and a circuit thereof - An inductor design having a detection winding which is magnetically coupled to the existing winding and its induction voltage is used to cancel that of the existing winding. Having the induction voltage cancelled, the voltage across the existing winding represents a resistive voltage drop of the existing winding current. The detection winding is furthermore built with a non-inductive portion having a significantly higher DC resistance in proportion to that of the existing winding. This resistance proportion is insensitive against temperature variations when both the existing and the detection windings are built with the same material and subjected to the same environment. A reference current is fed through the detection winding to produce a reference resistive voltage drop which is used to cancel the resistive voltage drop across the existing winding. When a precise cancellation occurs, the existing winding current is known to be in exact proportion to the reference current. | 05-06-2010 |
20100109649 | APPARATUS FOR DETERMINING AND/OR MONITORING A PROCESS VARIABLE - An apparatus for determining and/or monitoring at least one process variable. The apparatus includes: at least one energy input, via which the apparatus receives energy for operation of the apparatus. The invention includes features that: at least one measuring unit is provided, which measures energy applied to the energy input; and at least one control unit is provided, which, based on comparison of the measured energy with a desired value of the energy requirement, controls at least one unit of the apparatus. | 05-06-2010 |
20100134094 | NOVEL CLAMP METER WITH ROTARY MECHANISM FOR CLAMP JAWS - The present invention provides a clamp meter with clamp jaws whose position is adjustable in different planes with respect to the plane of the main body of the clamp meter at various fixed angles, thereby helping the user to measure the current in the conductors which are disposed in tight physical spaces such as an electrical cabinet or electrical panel, or placed in awkward positions such as overhead locations. The present invention allows the user to operate the instrument and also read the display in all positions of the clamp jaws. | 06-03-2010 |
20100148756 | CLAMP METER WITH SAFE TRIGGER MECHANISM - This invention provides a clamp meter with safe trigger mechanism which allows an operator to take electrical measurements of the conductors safely, particularly in case of the electrical conductor elements situated in congested or awkward locations and positions. In the preferred embodiment of the present invention, the trigger is placed at the underside of said clamp meter so as to allow convenient access to it for the fingers of a hand while the clamp meter is held in the hand. The trigger mechanism of the invention may be operated with single or multiple fingers. The invention also allows the hand to maintain its ‘clinched-fist’ position throughout the measurement process, thereby eliminating the need to open the hand any time during the process. The invention thus makes the electrical parameter measurement operation using clamp meters safer than for the conventional meters. | 06-17-2010 |
20100194382 | METHOD FOR DETERMINING ELECTRICAL POWER SIGNAL LEVELS IN A TRANSMISSION SYSTEM - A signal level detection method is provided, the method includes providing a feed line system that includes coaxial cable connectors connected coaxial cable sections. Each coaxial cable connector includes a connector body, a coupling circuit positioned within the connector body, an electrical signal power level detection circuit electrically connected to the coupling circuit and comprised by the connector body, and an output component comprised by the connector body. At least one coupling circuit senses an electrical signal flowing through at least one associated coaxial cable connector. At least one electrical signal power level detection circuit detects a plurality of associated power levels of the electrical signal flowing through at least one associated coaxial cable connector. | 08-05-2010 |
20100225304 | VOLTAGE-MEASURING CIRCUIT AND METHOD - An embodiment of a voltage-measuring circuit includes: a first resistor connected to a first measurement node; a second resistor connected to the first resistor and a second measurement node; a configuration switch configured to, in response to a control signal, selectively interconnect the first and second resistors, during enable and disable phases of the control signal respectively, into and out of either a parallel or a series configuration; and a control and measurement circuit configured to provide the control signal, receive a first measurement voltage from the first and second measurement nodes during the enable phase, and receive a second measurement voltage from the first and second measurement nodes during the disable phase. | 09-09-2010 |
20100225305 | METER SOCKET CONNECTION METHODS AND SYSTEMS FOR LOCAL GENERATORS OR MONITORING CONNECTIONS - Systems and methods for faster, safer and lower cost means of interconnecting local generation or power monitoring systems to a residential or commercial electric power system so that the connection is made via a direct connection to the power meter socket on the consumer side of the meter. The breaker for the system is collocated with the interconnection. Further modern energy management system typically require measurement of an entire premise's power and energy load, requiring additional power measurement probes and communications wiring. Instead of being connected to a new, upgraded breaker in the main service panel on the consumer side of the meter which often requires extensive and time consuming work to do as well as additional potential complications, embodiments of the invention may allow for a quick interconnection by inserting an attachment underneath the existing standardized meter for simplified power connection, measurement and communications. | 09-09-2010 |
20100231200 | Electrical Coil and Manufacruring Process Therefor - An electrical current sensor is disclosed having conducting coil portion and an insulating body portion, the conducting coil portion comprising a coil portion with one or more helical windings made of a wire conductor and encircling a central cavity. Adjacent windings are separated by a dielectrically effective gap, wherein the insulating body portion comprises a dielectric spacer comprising a helical gap maintaining protuberance configured for insertion in the central cavity of the windings such that the gap maintaining protuberance is at least partially inserted in the gap between windings. | 09-16-2010 |
20100264905 | ARRANGEMENT FOR THE POTENTIAL-FREE MEASUREMENT OF CURRENTS - The invention relates to an arrangement for the potential-free measurement of current flowing in two primary conductors ( | 10-21-2010 |
20100271006 | START TEST ELECTRONIC DEVICE AND SYSTEM AND METHOD OF USE THEREOF - The present invention is a method and system for monitoring the continuous flow of power delivered by multiple DC Direct current operated starter motors used to start engine driven electrical generators. The method and system comprise the closing of a starter battery system and an associated starter control switch, causing the starter battery system to discharge through a shunt whereby current is fed into a starter motor. The shunt is optionally provided as a precision resistor with a pre-calibrated voltage drop in millivolts DC proportional to a current passing through it. The shunt directs current to a meter relay, which is calibrated by establishing two set points, or desired trigger ranges, for the meter relay. If the current falls outside a range established by the two set points, then a meter relay alarm output is activated; and, if the current remains within the range, then the meter relay alarm output is not activated. The meter relay alarm output is, optionally, a dry contact which activates a signal device. | 10-28-2010 |
20100315065 | WIDEBAND HIGH IMPENDANCE BRIDGING MODULE - A bridge module provides connection between first and second conductors of a line under test and a test instrument adapted for use with the bridge module. The bridge module provides monitoring and measurement of DSL communication signals between the telephone company DSL terminal (DSLAM) and the subscriber home DSL equipment across a wide range of frequencies. The bridge module can be used at any point in the communications link and can be used while the link is active. The bridge module provides a clickless connection to the active DSL communications link to avoid interruption in DSL service. | 12-16-2010 |
20100327851 | CONTACT MECHANISM, CARD DETECTING APPARATUS, AND CARD DETECTING METHOD - A contact mechanism includes a movable contact unit to be positionally changed in accordance with insertion of a detachable member; and a fixed contact pair to include a first fixed contact unit and a second fixed contact unit, the positionally changed movable contact unit coming into slidable contact with the first fixed contact unit and the second fixed contact unit to make the first fixed contact unit and the second fixed contact unit conductive through the movable contact unit. | 12-30-2010 |
20110006754 | CURRENT MEASUREMENT APPARATUS WITH SHUNT RESISTOR AND HEAT SINK - A current measurement apparatus includes a shunt resistor ( | 01-13-2011 |
20110043190 | ROGOWSKI COIL, MEDIUM VOLTAGE ELECTRICAL APPARATUS INCLUDING THE SAME, AND METHOD OF PROVIDING ELECTROSTATIC SHIELDING FOR A ROGOWSKI COIL - A Rogowski coil includes a core, a Rogowski coil winding disposed on the core, an insulator disposed on the Rogowski coil winding disposed on the core, and a conductive winding disposed on the insulator disposed on the Rogowski coil winding disposed on the core. The conductive winding includes an electrical connection structured to be grounded. When the conductive winding is grounded, the grounded conductive winding provides electrostatic shielding for the Rogowski coil winding of the Rogowski coil. | 02-24-2011 |
20110062945 | DEVICE FOR MEASURING A CURRENT FLOWING IN A CABLE - An exemplary embodiment relates to a measuring device for measuring a current flowing in a first cable. The measuring device includes a measuring shunt in the form of a plate connected in series with the first cable and associated with a measuring electronic card connected to a data transmission cable. The measuring shunt further includes a measuring portion of resistive alloy coupled to connection portions on either side of the measuring portion. The connection portions are integrally formed with the measuring portion, and the first cable is secured to at least one of the connection portions of the measuring shunt. | 03-17-2011 |
20110089931 | TEMPERATURE-COMPENSATED SHUNT CURRENT MEASUREMENT - A current sensor includes a shunt and at least one resistant element. The shunt conveys an electric current, and has a resistance which varies with the shunt's temperature. A resistant element, which has a resistance that varies with its own temperature, is electrically connected between the shunt and an output terminal of the current sensor. At least a portion of the resistant element is in thermal contact with a predetermined location on the shunt, so that the resistant element's resistance varies in accordance with the shunt temperature. The current sensor may be connected to an amplifier whose gain varies in accordance with the resistance of the resistant element. The variation in the resistance of the resistant element causes a change in the amplifier gain, which compensates for changes in the shunt resistance due to change's in the shunt's temperature. In some embodiments, a second resistant element is connected between the shunt and a second output terminal. | 04-21-2011 |
20110089932 | Systems and Methods for Monitoring Voltage - Methods and systems for monitoring voltage are disclosed, including: a plurality of circuit points, a first bus configured to electrically couple to a voltage measurement device, a first set of switches configured to selectively electrically couple a first subset of the circuit points to the first bus, at least one other bus configured to electrically couple to at least one of: the voltage measurement device and another voltage measurement device, and at least one other set of switches configured to selectively electrically couple at least one other subset of the circuit points to the other bus. | 04-21-2011 |
20110121820 | HIGH VOLTAGE SENSING CAPACITOR AND INDICATOR DEVICE - A high-voltage sensing capacitor as an interface apparatus that may be used to attach an indicator unit to a high-voltage AC electrical bus and to provide safety to maintenance personnel. The high-impedance nature of the sensing capacitor effectively isolates the indicator unit from the high-voltage source to which it is connected. Multiple electrical phases can be interfaced using a plurality of such sensing capacitors. The sensing capacitor can be directly mounted to a high-voltage busbar. The indicator unit may provide visual and/or audible alerts to maintenance personnel when high voltage conditions are detected on the busbar by the sensing capacitor. The sensing capacitor is comprised of a portable, unitary capacitive structure that includes a molded insulator body encapsulating two electrodes. The electrodes of the capacitor only partially or incompletely overlap within the insulator body. The electrode spacing and configuration is structured to provide a deliberate amount of coupling between the two electrodes in the presence of an AC electric field. Because of rules governing Abstracts, this Abstract should not be used to construe the claims in this patent application. | 05-26-2011 |
20110169481 | TEST AND MEASUREMENT DEVICE WITH A PISTOL-GRIP HANDLE - In another embodiment, the invention provides a clamp meter configured to receive a removable and rechargeable battery pack. The clamp meter includes a main body having a first axis, a handle, a clamp, a trigger, and a display. The handle has a second axis and includes a first recess configured to receive the battery pack. The first recess includes at least first and second electrical terminals which are exposed when the battery pack is not inserted into the first recess. The second axis forms an oblique angle with the first axis, and the battery pack is inserted into the first recess along the second axis. The clamp is coupled to the main body, aligned with the first axis, and operable to measure an electrical characteristic of a conductor based on an induced current. The trigger is operable to selectively open and close the clamp, and the display configured to display an indication of the electrical characteristic. | 07-14-2011 |
20110175597 | SIGNAL TESTING APPARATUS FOR LOAD CONTROL SYSTEM - A system for testing power line carrier signal integrity or strength in a building electrical system includes a transmitter module electrically coupled to a first electrical outlet and configured to transmit a power line carrier signal over the building electrical system. The system also includes a receiver module electrically coupled to a second electrical outlet and configured to receive the power line carrier signal from the transmitter module. The receiver module includes circuitry configured to determine whether at least one of the integrity and strength of the power line carrier signal is sufficient for a load control system installed in the building electrical system to communicate with relay modules installed in the building electrical system using power line carrier signals. The receiver module includes a user interface configured to provide an indication of at least one of the integrity and strength of the power line carrier signal. | 07-21-2011 |
20110204878 | METHOD FOR DETERMINING THE TYPE OF CONNECTION OF AT LEAST TWO ELECTRICAL DEVICES AND SYSTEM COMPRISING SEVERAL ELECTRIC DEVICES - The invention relates to a method for determining the type of connection of at least two electric devices ( | 08-25-2011 |
20110221424 | Wide Range Current Sensing - A current sense circuit, including a voltage regulator, for detecting current conducted by a device under test (DUT) for a wide range of currents, while still providing fine granularity for detecting low/small currents. Two current branches/paths may be established to the supply terminal of the DUT. A switching device, e.g. a transistor device, may be operated to enable a first current branch of the two current branches, or both current branches to conduct current, responsive to the size of the current flowing in the first current branch. The total current conducted by the DUT may be equivalent to a sum of the respective currents flowing in the two current branches. | 09-15-2011 |
20110267038 | SHUNT SENSOR AND SHUNT SENSOR ASSEMBLY - The present disclosure describes configurations for current shunt sensors and current shunt sensor assemblies having improved electromagnetic cross-talk rejection that can be used in single-phase/split-phase and poly-phase power metering applications. Some embodiments of the current shunt sensors and current shunt sensor assemblies reduce the need for a shielding material around current shunt sensors in single-phase/split-phase and poly-phase power metering applications. Some embodiments of the current shunt sensors achieve improved electromagnetic cross-talk rejection through a substantially symmetrical arrangement of component parts along the primary path of current flow. Some embodiments of the current shunt sensors achieve improved electromagnetic cross-talk rejection by symmetrical configurations that, in operation, induce complementary parasitic currents or voltages that substantially cancel each other out and do not substantially affect primary current flow through the current shunt sensor. | 11-03-2011 |
20110273163 | Solar monitor for solar device - A solar monitor measures electrical characteristics of a designated solar device within an array of solar devices that are coupled in series. The solar monitor includes a charge storage element and a charger coupled to the charge storage element to establish a positive voltage and/or a negative voltage on the charge storage element. A switch within the solar monitor is coupled in a shunt configuration with the designated solar device and with a subsequent device in the array. The switch selectively couples the charge storage element to the designated solar device to vary an operating current that flows between the designated solar device and the subsequent solar device. The solar monitor includes a current detector to measure the current of the designated solar device, and a voltage detector to measure the voltage of the designated solar device. | 11-10-2011 |
20110291641 | VOLTAGE DETECTION AND MEASUREMENT CIRCUIT - A voltage detection and measurement circuit is provided. The circuit includes a first Zener diode operatively coupled to an AC power input line and a second Zener diode operatively coupled to a reference voltage line. The first and second Zener diodes are configured to pass portions of input AC voltage from the AC power input line to generate output waveforms. The circuit also includes an optocoupler coupled to the first and second Zener diodes to receive the output waveforms from the first and second Zener diodes to detect the input AC voltage and a processing circuit configured to receive the output waveforms from the optocoupler and to determine a magnitude of the input AC voltage based upon the output waveforms | 12-01-2011 |
20110291642 | POWER MEASUREMENT CIRCUIT - A system for power measurement in an electronic device includes a sensing unit, an analog-to-digital converter (ADC) and a controller. The sensing unit senses voltage across a power source and modulates a carrier signal based on the sensed voltage. The ADC converts a combination of the modulated carrier signal and audio signals received by the electronic device to generate a digitized combined signal and provides the digitized combined signal to the controller. The controller separates digitized modulated carrier signal and digitized audio signals. The digitized modulated carrier signal is demodulated to generate an output signal that provides a measure of the power consumed by the electronic device. | 12-01-2011 |
20110291643 | MODULAR NANO AND MICROSCALE SENSORS - Exemplary embodiments of the present invention disclose a modular testing assay. According to various embodiments of the present invention, the sensor arrays, or microplates, are removably attached to a substrate. In some embodiments, the electrical connection between the sensors of the sensor array and the substrate provide for the removal of one sensor array or microplate with another or similar sensor array. The sensor arrays can be aligned using various types of alignment devices or the substrate can be configured to allow various alignments and spatial orientations of one or more sensor arrays. | 12-01-2011 |
20110298446 | CURRENT SENSOR, INVERTER CIRCUIT, AND SEMICONDUCTOR DEVICE HAVING THE SAME - A semiconductor device having a lateral semiconductor element includes a semiconductor substrate, a first electrode on the substrate, a second electrode on the substrate, and an isolation structure located in the substrate to divide the substrate into a first island and a second island electrically insulated from the first island. The lateral semiconductor element includes a main cell located in the first island and a sense cell located in the second island. The main cell causes a first current to flow between the first electrode and the second electrode so that the first current flows in a lateral direction along the surface of the substrate. The first current is detected by detecting a second current flowing though the sense cell. | 12-08-2011 |
20120007588 | CLAMP METER FOR MEASURING VOLTAGE AND CURRENT SIMULTANEOUSLY AND METHOD FOR THE SAME - A clamp meter for measuring voltage and current simultaneously includes a microcontroller unit, a current-side analog-digital converter unit electrically connected to the microcontroller unit and a current-measuring unit, a voltage-side analog-digital converter unit electrically connected to the microcontroller unit and a voltage-measuring unit. By providing dedicated analog-digital converter unit to the current-measuring unit and the voltage-measuring unit, the clamp meter is capable of measuring voltage and current precisely and simultaneously. | 01-12-2012 |
20120032667 | CURRENT SENSOR STRUCTURE - A current sensor structure includes a substantially ring-shaped magnetic core comprising layers of magnetic plates to be accommodated in an insulating case and secured to the case via a molding compound. Projections protruding in the magnetic plate's thickness direction are provided either on a front-side wall portion of the case in the thickness direction or on a surface of the magnetic core in the thickness direction. By virtue of, the surface of the magnetic core is supported by the front-side wall portion via the projections, leaving a gap between this surface and the wall portion to the same height as that of the projections. The gap is filled with the molding compound. Dilative and contractive deformation of the case in the direction orthogonal to the thickness direction is absorbed by the molding compound in the gap to prevent the stress from acting upon the magnetic core. | 02-09-2012 |
20120074929 | Inductive Current Sensor - A power meter is disclosed. The power meter may be used to determine the electric power being delivered by a conductor. In one such power meter there is a substrate, an inductive pickup coil attached to the substrate, a conductor, and a detector. The pickup coil may be printed on the substrate. | 03-29-2012 |
20120091998 | CLAMP METER WITH DETACHABLE CLAMP AND CLAMP STORAGE AREA - Clamp meter with detachable clamp and a clamp storage area. The clamp meter includes a clamp and a housing. The clamp includes a measurement end and a handle portion. The measurement end includes a first measurement portion and a second measurement portion. The handle portion includes a first handle and a second handle. The housing includes a recess configured to removably receive the clamp when the clamp is not in use. The housing is connected to the clamp via a cord. When the clamp is received in the recess, the first measurement portion and the second measurement portion are positioned completely within the recess, the first handle and the second handle extend at least partially from the recess, and the recess prevents the clamp from being used. The clamp is capable of being removed from the recess in a one-handed use position. | 04-19-2012 |
20120112737 | IC CURRENT MEASURING APPARATUS AND IC CURRENT MEASURING ADAPTER - Provided is an IC current measuring apparatus provided between an IC and a substrate. The IC current measuring apparatus electrically connects each of a plurality of IC-facing terminals and a different one of a plurality of substrate-facing terminals. Especially, resistances are each inserted into a path between an IC terminal targeted for measurement and a substrate terminal corresponding thereto. Furthermore, the IC current measuring apparatus is provided with terminals each used to measure a voltage between both ends of an inserted resistance corresponding thereto. Accordingly, a measurer who measures current flowing through an IC-facing terminal can measure the current flowing through the IC-facing terminal by providing the IC current measuring apparatus between the IC targeted for measurement and the substrate and measuring a voltage between both ends of an inserted resistance corresponding to the IC terminal through which current he/she wishes to measure flows. | 05-10-2012 |
20120133355 | VOLTAGE MEASUREMENT APPARATUS - A resistor element that is coupled between each of voltage measurement points of a measurement object and a voltage measurement circuit is further coupled to a path of a constant current between a power supply side constant current circuit and a ground side constant current circuit. By controlling the operation of the power supply side constant current circuit and the ground side constant current circuit with a control circuit, the control circuit switches the switch circuit on and off to prevent a voltage drop due to an electric current that turns on the switch circuit. | 05-31-2012 |
20120169324 | SIMPLIFIED JAW ASSEMBLY FOR A CLAMP METER - A current clamp meter includes a current meter body and a jaw assembly. The jaw assembly is configured so that the current clamp meter may be used to reach and readily single-out a desired wire from amongst adjacent wires. | 07-05-2012 |
20120176121 | CURRENT PASSAGE INDICATOR - A fault current passage indicator ( | 07-12-2012 |
20120194172 | Current Sensing Apparatus - A current sensing device ( | 08-02-2012 |
20120249123 | MEASUREMENT DEVICE - A measurement device includes a first connector unit, a measurement wire, and a second connector unit. The first connector unit includes a first dummy connector and a wire part. The wire part includes an inserting portion. A number of insert holes is defined in the first connector. The inserting portion of the wire part is selectively inserted in one of the insert holes of the connector. The measurement wire is graduated. A first end of the measurement wire is connected to the first connector body, and a second end of the measurement wire is movably connected to the second connector unit, with the measurement wire stretched out straight between the first and second connector units. | 10-04-2012 |
20120256617 | Device and Assembly for Measuring an Electric Current - The device for measuring an electric current is provided to measure currents flowing in a cable. It comprises means for securing a flexible Rogowski coil able to occupy an open position enabling engagement around the cable and a closed position designed to surround the cable. The device comprises actuating means designed to move said coil from one position to the other. The measuring assembly comprises at least one such measuring device and measurement and/or transmission electronics of the result of the measurements receiving data from the coil of the measuring device. | 10-11-2012 |
20120319676 | MULTI-CONDUCTOR CABLE CURRENT AND VOLTAGE SENSORS - A detachable current sensor provides an isolated and convenient device to measure current passing through a cable such as an AC power cable or non-metallic (NM) sheathed cable. Information about the magnitude and or phases of the currents passing through and/or voltages on the conductors is obtained by measuring the magnetic field at multiple circumferential positions around the cable using multiple semiconductor magnetic field sensors. A processing subsystem coupled to the multiple semiconductor magnetic field sensors determines information about the currents flowing in the conductors of the cable, including the current magnitude(s), and/or the phases and number of phases present in the cable, which can form part of a power measurement system that is used for energy monitoring, and/or for control purposes. | 12-20-2012 |
20120319677 | DC Decoupled Current Measurement - A circuit arrangement for measuring a load current provided to a load via a first load terminal of a load transistor is disclosed. In accordance with one example of the invention, the circuit arrangement includes a sense transistor coupled to the load transistor to provide a sense current representing the load current at a first load terminal of the sense transistor. The first load terminals of the load and the sense transistors are at respective floating electric potentials. A floating sense circuit coupled between the load terminals of sense transistor and load transistor, at least in one mode of operation the sense circuit receives the sense current and provides a floating signal representing the sense current. A non-floating measurement circuit is coupled to the sense circuit via a DC decoupling capacitor for transferring the floating signal representing the sense current to the non-floating measurement circuit. The measurement circuit is configured to provide an output signal representing the floating signal and thus the sense current. | 12-20-2012 |
20120319678 | BEARING CURRENT SENSOR DEVICE HAVING AN ENERGY CONVERTER - A sensor device includes an exchangeable module shaped as a substantially annular disk and concentrically mounted at or on a shaft of an electric machine. The exchangeable module includes a detection device for detecting a bearing current of the electric machine and an energy converter device configured to convert mechanical energy of the shaft into electrical energy for transmission to the detection device. | 12-20-2012 |
20120326703 | CURRENT MEASUREMENT APPARATUS - A current measurement apparatus includes multiple GMR elements and a calculation unit. The multiple GMR elements each include a pinned magnetic layer having a pinned magnetization direction, and a free magnetic layer having a magnetization direction to be changed by an external magnetic field. The calculation unit obtains the magnitude of a current to be detected, from outputs of the multiple GMR elements. The multiple GMR elements are disposed in ring shape around a conductor through which the current to be detected flows, and are electrically connected so as to form a series variable resistor by using the multiple GMR elements. The magnetization directions of the pinned magnetic layers are pinned in the same direction when viewed from an extension direction of the conductor at each of the positions of the elements. | 12-27-2012 |
20130015841 | CONNECTION SYSTEM FOR SENSOR DEVICEAANM Caprio; MatthewAACI SeattleAAST WAAACO USAAGP Caprio; Matthew Seattle WA USAANM McMorrow; Gerald J.AACI RedmondAAST WAAACO USAAGP McMorrow; Gerald J. Redmond WA USAANM Clay; AndrewAACI EverettAAST WAAACO USAAGP Clay; Andrew Everett WA USAANM Ivanova; Ekaterina FilipovaAACI KirklandAAST WAAACO USAAGP Ivanova; Ekaterina Filipova Kirkland WA USAANM Valenzuela; AntonioAACI EverettAAST WAAACO USAAGP Valenzuela; Antonio Everett WA USAANM Beasley; VanessaAACI ClaytonAAST NCAACO USAAGP Beasley; Vanessa Clayton NC US - A system for connecting remote equipment to a sensor device having a connector coupled to at least two terminals located on different portions of the sensor device. The portions of the sensor device may be an anterior portion and a posterior portion with each having at least one terminal. In turn, the terminals are nested on top of one another and at least one terminal is electrically accessible through a window region of the other portion. Further, the terminals are alignable with each other and with a connector by alignment indicators, which may provide a visual alignment indication for the terminals as well as a mechanical alignment of the connector with the sensor device. | 01-17-2013 |
20130057255 | INTEGRATED DEVICE SUSPENDED AT HIGH VOLTAGE POTENTIAL FOR POWER ENERGY METERING AND PROTECTION OF DISTRIBUTION NETWORK - An integrated device suspended at a high voltage potential for the metering and protection of a distribution network comprises a measurement current transformer (CT), a protective CT and a voltage sensor. The voltage signal is output from the voltage sensor to an electric energy metering module and first and second electric signal acquiring modules. The current signal acquired by the measurement CT is output to the electric energy metering module. The current signal acquired by the protective CT is output to the first and second electric signal acquiring modules. The electric energy metering module processes the current and voltage signals and sends the processed data to a comprehensive control module. The first and second electric signal acquiring modules send the voltage and current data to the comprehensive control module. The comprehensive control module comprehensively calculates the received data and sends the result to a low voltage terminal. | 03-07-2013 |
20130063129 | SENSOR DEVICES AND METHODS FOR USE IN SENSING CURRENT THROUGH A CONDUCTOR - Sensor devices and related methods disclosed. One example sensor device includes a substrate comprising a plurality of bobbins, the plurality of bobbins define an aperture structured to receive a conductor therein, a coil comprising a plurality of coil turns wound about each of the plurality of bobbins, a first shield extending between each of the plurality of bobbins and the plurality of coil turns; and a second shield positioned proximate to the plurality of coil turns, opposite the first shield such that the plurality of coil turns is between the first shield and the second shield. | 03-14-2013 |
20130069632 | APPARATUS AND METHOD FOR IMPROVED CURRENT SHUNT SENSING - An apparatus and method for improved current shunt sensing in an electrical system, such as a renewable energy electrical system, is disclosed. A current shunt according to aspects of the present disclosure includes a conductive portion that is placed in series with an electrical system The current shunt includes a sensing element that is used to measure the voltage across the conductive portion of the current shunt. The sensing element has an increased width relative to the width of the conductive portion of the shunt. The increased width of the sensing element provides for improved current shunt sensing that results in more accurate voltage (and thus current) measurements across a wide range of frequencies. | 03-21-2013 |
20130099775 | CURRENT SENSOR - A current sensor includes a first support configured to include a cutout portion, a first magnetic detector element group configured to be provided in the first support, a second support configured to include a cutout portion, and a second magnetic detector element group configured to be provided in the second support. The cutout portion includes a supporting surface supporting a current line. In the current sensor, when the current line conducting therethrough a current to be measured is attached, the first support and the second support are displaced in the circumferential direction of the current line and fixed, and the current line is supported by supporting surfaces, in different positions in the axis line direction of the corresponding current line. | 04-25-2013 |
20130127445 | TEST FIXTURE WITH LOAD - A test fixture with a load for measuring an output voltage of a connecting port with a voltmeter at full load is illustrated. The test fixture includes a main body, a plug comprising a first pin and a second pin for respectively contacting the two lines of the connecting port. A first contact connected to the first pin through a first wire, a second contact connected to the second pin through a second wire, and a load connected between the first wire and the second wire. The plug is connected to one end of the main body and capable of being inserted into the connecting port. | 05-23-2013 |
20130127446 | CURRENT MEASURING APPARATUS - The present invention discloses a current measuring apparatus and associated networking apparatus, the current measuring apparatus comprising: a consumer unit comprising at least one interrupting device operative to interrupt a mains electricity supply when an excess current flows, such as a fuse box, a mains current circuit in the mains electricity supply path; and a measurement circuit that is operative to measure a voltage drop across the mains current circuit. | 05-23-2013 |
20130147464 | CLAMP METER WITH MULTIPOINT MEASUREMENT - A clamp meter with multipoint measurement includes a current-measuring unit, an analog-to-digital converting unit, and a measuring-position judgment unit. The current-measuring unit includes a plurality of current-measuring positions calibrated according to the measuring-position judgment unit. The current-measuring unit measures the current of the current-measuring position judged by the measuring-position judgment unit. | 06-13-2013 |
20130169269 | System and Method to Measure Neutral-To-Ground Voltage - A method and program for minimizing objectionable currents while still providing neutral-to-ground voltage measurements by controlling a switch to determine when the neutral-to-ground impedance is placed in an electrical circuit. | 07-04-2013 |
20130187635 | ELECTRICAL SENSOR FOR A TWO-WIRE POWER CABLE - The invention discloses an electrical sensor for a two-wire power cable. The sensor includes: a flexible substrate joined onto the power cable or the protective jacket thereon; an inductive coil formed on the flexible substrate; a pair of metal electrodes formed on the flexible substrate and at the opposite sides of the power cable, respectively; and a readout circuit formed on the flexible substrate, electrically connected to the inductive coil so as to measure the current in the power cable, and electrically connected to the metal electrodes so as to measure the voltage in the power cable. | 07-25-2013 |
20130241535 | Method for Verifying an Electrical Connection Between a Generator and an Inverter - A method of verification of an electrical connection between a generator and an inverter by a cable is disclosed. The method includes placing a handheld device with a current detection sensor in vicinity of a cable. A command to change a current is transmitted from the handheld device to the inverter to generate a current signature within an inverter-generator connection cable. A sensor signature is detected by the current detection sensor and compared to the current signature caused by the command to change a current. A verification signal based on the comparison is generated. The method may be used to compile a wiring plan between a plurality of generators and a plurality of inverters. | 09-19-2013 |
20130249531 | CURRENT SENSOR - A current sensor includes a magnetic sensor module including a plurality of magnetic sensor units connected in series. The magnetic sensor units each include a first magnetic sensor element and a second magnetic sensor element which have sensitivity axes oriented in opposite directions. A first terminal of the first magnetic sensor unit is connected to a first potential source. A third terminal of the first magnetic sensor unit is connected to a second potential source. A second terminal and a fourth terminal of the last magnetic sensor unit are connected to constitute a sensor output terminal. The first terminal of each of the magnetic sensor units excluding the first magnetic sensor unit is connected to the second terminal of the next magnetic sensor unit and the third terminal thereof is connected to the fourth terminal of the next magnetic sensor unit. | 09-26-2013 |
20130328547 | Current Shunt - Methods and circuits for reduction of errors in a current shunt are disclosed, for example sensing lines for Kelvin sensing in which the sensing lines are of identical material to the high-resistance portions of the shunt, and welded thereto. This allows application of a current shunt with lower output voltage and thus lower power losses than the contemporary art implementations, while maintaining high accuracy with regard to temperature changes. | 12-12-2013 |
20130342188 | Disassociated Split Sensor Coil for Power Distribution Line Monitoring - A disassociated split sensor coil manufactured from hemi-toroidal cores. Each core includes a surface channel extending from end to end, with wire sections being wound about the core to form a helical sensor coil electrically connected to a connecting wire returned through the surface channel. The connecting wires are interconnected to form a continuous electrical path, with terminal wires being electrically connectable to a monitoring circuit. Also, a method of manufacturing including obtaining a hemi-toroidal core having a surface channel, placing a first length of a wire within the surface channel so as to extend from end to end, winding a second length of the wire so as to form a helical coil section extending from end to end, providing a third length of the wire extending from one end, and repeating the steps to form a disassociated split sensor coil electrically connectable by joining the first lengths of wire. | 12-26-2013 |
20140015515 | Shunt Resistance Type Current Sensor - A shunt resistance type current sensor includes a bus bar which has a flat plate shape, a circuit board which is provided on the bus bar, connecting terminal portions which are extended from the bus bar, and are electrically connected to the circuit board, and a voltage detecting section which is provided on the circuit board and detects a voltage value applied to the circuit board through the connecting terminal portions for detecting the amplitude of a measured electric current flowing through the bus bar. The connecting terminal portions are formed in pair by being protruded towards each other, and each of the connecting terminal portions is a cantilever that rises from a flat plate part of the bus bar. | 01-16-2014 |
20140028288 | Status Monitoring Cables for Generators - A connector system comprising a status monitoring cable system comprising a first cable connector adapted to be connected to a generator connector, a second cable connector adapted to be connected to a UPS connector, a third cable connector adapted to be connected to the modem connector, a jumper, first and second power conductors connected between the first cable connector and the second cable connector, and a sensor module comprising a current detect module and a connector detect module. The current detect module transmits a GEN_ON signal to the modem when a current is present in at least one of the first and second power conductors. The connector detect module transmits a GEN_PRESENT signal to the modem when a current flows through the first cable connector, the generator connector, the jumper, the generator connector, and the first cable connector. | 01-30-2014 |
20140097827 | BANANA JACK ADAPTER FOR TEST SWITCH - An improved banana jack adapter assembly is provided for use in connection with a test switch in a utility meter application. The banana jack adapter assembly improves connectability of testing equipment to a meter box test switch when a field operator desires to calibrate a meter of a utility box. | 04-10-2014 |
20140125317 | VOLTAGE SENSOR CONTACT FOR AN ELECTRONIC DEVICE - A voltage sensing system includes a sensing system housing, a circuit board positioned with the sensing system housing, and a phase conductor extending through the sensing system housing, the phase conductor to carry a load current. The system also includes a voltage sensor contact, the voltage sensor contact including a first end and a second end, the first end being electrically coupled to the circuit board and the second end being electrically coupled to the phase conductor. | 05-08-2014 |
20140125318 | SIGNAL DETECTION SYSTEM AND METHOD - A signal detection system for use with a signaling system is disclosed, the signal detection system comprising a plurality of electrical terminals including a source terminal and an output terminal, the output terminal being connected to a signaling device. An auxiliary terminal electrically coupled to at least one of the plurality of electrical terminals is provided. A current sensor is coupled to the auxiliary terminal for detecting an electrical signal for controlling the signaling device. The current sensor generating an output signal in response to the detection of the electrical signal for controlling the signaling device for monitoring the status of the signaling device. Also disclosed is a method for installing a signal detection system in a wayside signaling system including a signaling device for monitoring a status of the signaling device. An apparatus for connecting a current sensor to a signaling device is also disclosed. | 05-08-2014 |
20140125319 | ELECTRICAL JOINT MONITORING DEVICE AND ELECTRICAL JOINT MONITORING SYSTEM EMPLOYING THE SAME - An electrical joint monitoring device including a mounting assembly and a wireless transponder unit. The mounting assembly includes a first conductive contact structured to electrically connect to a first conductive member of an electrical joint and a second conductive contact structured to electrically connect to a second conductive member of the electrical joint. The wireless transponder unit includes a control unit electrically connected to the first and second conductive contacts and an antenna electrically connected to the control unit. The wireless transponder unit is configured to sense a voltage difference between the first and second conductive contacts, to generate information based on the voltage difference, and to output the information to a wireless reader unit via the antenna. | 05-08-2014 |
20140125320 | MODULAR HIGH VOLTAGE SENSING UNIT - A high voltage sensing unit includes a housing having an internal bore. A resistive voltage divider, including a primary resistor and a secondary resistor configured in series, is included within the housing. A connecting assembly is configured to attach the high voltage sensing unit to a terminal of a high voltage switching device. The connecting assembly provides an electrical connection from the high voltage switching device to the primary resistor and physically supports the high voltage sensing unit. An interface cable provides an electrical connection from the secondary resistor to a receptacle on the high voltage switching device, which can receive a voltage signal and pass the voltage signal to a controller using existing control wiring. | 05-08-2014 |
20140167738 | Electric Meter Base Level Printed Circuit Board - Techniques for construction of an electric meter base level printed circuit board (PCB), such as for use in an electric consumption meter, are described herein. A plurality of heavy copper traces may be embedded in the PCB, thereby eliminating the need for heavy copper bar between connectors and components on the board. In one example, a PCB includes connectors for incoming and outgoing line and neutral conductors. The PCB may include a current measuring component, mounted on the PCB, to communicate with metrology circuitry. The PCB may include one or more switches, configured to regulate electrical service. Heavy electrical traces may be embedded in the PCB to connect the connectors and various components mounted on the PCB. The heavy electrical traces are sized to allow passage of currents that may be in excess of 100 amps. | 06-19-2014 |
20140167739 | CURRENT DETECTING CIRCUIT BOARD - A circuit board with a current detecting circuit includes an inductor, two short pads, and an integrated chip. The inductor is connected between a first electronic component and a second electronic component. One of the short pads is in tight contact with a first pin of the inductor, and the other of the short pads is in tight contact with a second pin of the inductor. The integrated chip is connected to the first pin and the second pin of the inductor via the two short pads. | 06-19-2014 |
20140176121 | PORTABLE SELF POWERED LINE MOUNTABLE ELECTRIC POWER LINE CURRENT MONITORING TRANSMITTING AND RECEIVING SYSTEM - A device for measuring current of an electric power line conductor includes a housing with an opening for accepting a power line conductor. A first coil loop including coil windings with a first end spaced from a second end and having a circular shape. The first coil loop is configured to partially surround the power line conductor located in the housing. An internal central wire attached to an end of the first coil loop extends through a center of the first coil loop. A jaw assembly is configured to insure a vertical centerline of the first coil loop is aligned with a vertical centerline of the electric power line conductor. | 06-26-2014 |
20140176122 | PORTABLE SELF POWERED LINE MOUNTABLE DEVICE FOR MEASURING AND TRANSMITTING AMBIENT TEMPERATURE - A device for attaching to an electric power line conductor includes an electrically conductive housing with an opening for accepting the power line conductor and configured to be grounded to the power line conductor. At least one magnetic core is configured to surround the power line conductor and power a power supply electronics module. An ambient temperature measuring assembly is mounted inside and near the bottom of the electrically conductive housing. The ambient temperature measuring assembly is thermally insulated from the housing for thermally separating the ambient temperature measuring assembly from the housing. | 06-26-2014 |
20140184199 | METHOD AND SYSTEM FOR CALIBRATING A SHUNT RESISTOR - A shunt resistor includes: two measuring terminals for applying a measuring current flowing through the shunt resistor along a main flow direction; slot structures dividing the shunt resistor along the main flow direction to include two side flow areas of respective first widths and a main flow area of a second width; and two calibration terminals connected to the side flow areas. A circuit connected to the measuring terminals is designed to detect, and generate a signal based on, a measuring current flowing through the shunt resistor. A calibration device connected to the calibration terminals is designed to apply a reference voltage or current to the calibration terminals, and ascertain a calibration voltage based on a falling voltage across those terminals. A correction circuit connected to the calibration device and the detection circuit is designed to correct the signal generated by the detection circuit based on the detected calibration voltage. | 07-03-2014 |
20140203799 | CLAMP INCLUDING FIXED AND MOVABLE JAWS FOR MEASURING A GROUND LOOP CURRENT - A clamp for measuring a ground loop current includes a first jaw secured to a fixed support and a second jaw pivotally mounted on the fixed support, and pivotable between a position closing the clamp and an open position, and an elastic element for returning the movable jaw to the closed position. The clamp includes a device scaling down the force required for opening the clamp, by application of the force to a trigger. The device is mounted between the elastic return element and the trigger, upon opening the clamp. | 07-24-2014 |
20140210453 | MULTI-BRANCH CURRENT/VOLTAGE SENSOR ARRAY - A sensor array including multiple current sensors provides input for power measurement and management systems. The sensor array includes split ferrite cylinder portions connected by a frame, so that when the array is installed around multiple branch circuits in a power distribution panel or raceway, the ferrite cylinders are completed to surround the conductor(s) of the associated branch circuit. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire(s). | 07-31-2014 |
20140210454 | COMPACT SHUNT FOR CURRENT MEASUREMENT - Conductive strips are stacked, insulated, folded, and formed into geometric shapes to provide a low resistance, low inductance, shunt, wherein the geometric shape readily enables cooling to reduce changes in resistance due to self-heating effects. One such geometric shape is attained by winding the conductive strips into a spiral. Another geometric shape is a shape resembling a wave. Both geometric shapes allow cooling by directing airflow from a fan across their surface portions. A variable-speed cooling-fan is controlled in response to measured temperature of the shunt, or in response to a measurement of the current through the shunt. Differential cooling may be employed by means of changing the amount of airflow across various portions of the shunt in response to measured temperature of the shunt. | 07-31-2014 |
20140210455 | VOLTAGE TAP DEVICE - A voltage tap device is provided. The voltage tap device includes a housing. A tap needle may be protruding from the housing. A fuse is electrically connected to the tap needle. The housing may further include an input that is configured to receive a meter wire. The input is electrically connected with the fuse. Therefore, a user may attach the housing to an insulated conductor, pierce the insulation with the needle so the needle is in contact with the conductor, attach a meter wire to the input and determine the voltage level of the insulated conductor. | 07-31-2014 |
20140253098 | VOLTAGE PEAK DETECTION CIRCUIT AND DETECTION METHOD - In one embodiment, a voltage peak detection circuit can include: (i) a voltage coupling circuit configured to inductively couple an input inductor voltage of a switching power supply, and to generate a first voltage that represents a DC input voltage of the switching power supply; (ii) a voltage conversion circuit configured to receive the first voltage, and to generate a second voltage that is proportional to the first voltage; and (iii) a holding circuit configured to hold a peak of the second voltage to generate a peak voltage signal that represents peak information of the DC input voltage. | 09-11-2014 |
20140253099 | SEMICONDUCTOR DEVICE ON DEVICE INTERFACE BOARD AND TEST SYSTEM USING THE SAME - A semiconductor device, which is mounted on a device interface board to interface an electrical measuring signal between automated test equipment (ATE) and a device under test (DUT), includes an AC test unit, a DC test unit, a first input/output (I/O) interface unit, and a second I/O interface unit. The AC test unit tests an AC characteristic of the DUT. The DC test unit provides a DC test path according to attributes of I/O terminals of the DUT. The first I/O interface unit selectively connects the AC test unit or the DC test unit to the ATE in response to a mode control signal. The second I/O interface unit selectively connects the AC test unit or the DC test unit to the DUT in response to the mode control signal. | 09-11-2014 |
20140253100 | ELECTRICAL CURRENT SENSOR WITH GROUNDED MAGNETIC CORE - An electrical current transducer comprising a housing, at least one magnetic core comprising an air gap and defining a central passage configured to receive a primary conductor carrying a primary current to be measured through the central passage, a magnetic field detector positioned at least partially in the air gap, and a grounding element. A lateral surface of the magnetic core is positioned against the grounding element without direct fixed attachment between the magnetic core and the grounding element, and the grounding element overlaps the magnetic core to an extent configured to ensure that a capacitive coupling (C3) between the magnetic core and the grounding element is greater than a capacitive coupling (C2) between the magnetic core and the magnetic field detector. | 09-11-2014 |
20140292307 | DC Decoupled Current Measurement - A circuit arrangement for measuring a load current provided to a load via a first load terminal of a load transistor is disclosed. In accordance with one example of the invention, the circuit arrangement includes a sense transistor coupled to the load transistor to provide a sense current representing the load current at a first load terminal of the sense transistor. The first load terminals of the load and the sense transistors are at respective floating electric potentials. A floating sense circuit coupled between the load terminals of sense transistor and load transistor, at least in one mode of operation the sense circuit receives the sense current and provides a floating signal representing the sense current. A non-floating measurement circuit is coupled to the sense circuit via a DC decoupling capacitor for transferring the floating signal representing the sense current to the non-floating measurement circuit. The measurement circuit is configured to provide an output signal representing the floating signal and thus the sense current. | 10-02-2014 |
20140300347 | DEVICE FOR MEASURING A BATTERY CURRENT - The present invention relates to a device for measuring a battery current of a battery. The device has a measuring distance, over which the entire battery current to be measured flows during the measurement. A measuring device measures a voltage drop across the measuring distance. On the basis of the measured voltage drop and a resistance of the measuring distance, a current determining device determines the battery current, wherein the measuring distance is formed by at least part of a cable with a temperature-dependent resistor. | 10-09-2014 |
20140333291 | METHOD AND APPARATUS FOR IDENTIFYING LOCATIONS OF SOLAR PANELS - System and method for identifying solar panels. In accordance with exemplary embodiments, an electrical signal within one or more solar cells of the solar panel is detected and processed to provide a detection signal corresponding to a distinguishing characteristic associated with the solar panel. In accordance with alternative exemplary embodiments, a light sensor is disposed along a sightline from the solar panel to detect a light emission produced by dissipation of electrical power by one or more solar cells of the solar panel. In accordance with further alternative exemplary embodiments, selective blocking of light to (e.g., shading of) portions of predetermined solar panels causes corresponding changes in output power that can be used to identify affected solar panels. | 11-13-2014 |
20140347036 | CURRENT MONITORING APPARATUS AND CURRENT MONITORING SYSTEM USING THE SAME - Disclosed are a current monitoring apparatus for monitoring an electrical current flowing through a wire, and a current monitoring system using the same. The current monitoring apparatus includes a power generation part connected to a wire to generate alternating current (AC) power due to electromagnetic induction with the wire, and a current measurement part connected to the wire and measures the electrical current flowing through the wire. The current monitoring apparatus uses the power generated by the power generation part. | 11-27-2014 |
20150008902 | Highly Accurate Current Measurement - The present document relates to the measurement of the current through a transistor. In particular, the present document relates to a circuit arrangement which allows an accurate measurement of the current through a power transistor. A circuit arrangement is described. The circuit arrangement is configured to provide an indication of a current flowing through a pass switch, when the pass switch is arranged in parallel to the circuit arrangement. The circuit arrangement comprises a matching unit which comprises a switch bank comprising a plurality of parallel reference switches; a resistor bank comprising a plurality of serial reference resistors; and a reference current source configured to provide a reference current flowing through the switch bank and the resistor bank. The resistor bank and the switch bank are arranged in series. The switch bank is adapted in accordance to a voltage dependent resistance of the pass switch, and the resistor bank is adapted in accordance to a voltage independent resistance of the pass switch. | 01-08-2015 |
20150015243 | CIRCUIT ASSEMBLY FOR THE STATE MONITORING AND LOGGING OF OVERVOLTAGE PROTECTION DEVICES OR OVERVOLTAGE PROTECTION SYSTEMS - The invention relates to a circuit assembly for the state monitoring and logging of overvoltage protection devices or overvoltage protection systems by means of pulse current monitoring, comprising at least one passive RFID transponder having an inductively coupled voltage supply, wherein in the case of an event of the overvoltage protection device or the overvoltage protection system, the RFID transponder antenna circuit is influenced, in particular interrupted, short circuited, or detuned, so that disturbance processes can be identified. According to the invention, a coil L | 01-15-2015 |
20150028854 | DISPERSED STATE MONITORING DEVICE FOR DISTRIBUTED GENERATION - A dispersed state monitoring device for distributed generation includes a power module, an input conditioning module, a data processing module and a network communication module which are connected successively, wherein the power is input, via a civil plug and a 220V power socket, to the power module and the input conditioning module in the device at the same time. The power module ensures normal operation of the device through conditioning of a voltage. The input conditioning module is responsible for conditioning input voltage signals, extracting voltage transient-state and steady-state signals to be analyzed, and inputting the signals to the data processing module. The data processing module is responsible for analyzing the voltage transient-state and steady-state signals, judging the operating state of the distributed power source, and outputting a judging result to the network communication module. The result is output from the network communication module via a standard RJ45 Ethernet interface. | 01-29-2015 |
20150042312 | ELECTRODE FOR MEASURING BIOSIGNAL AND BIOSIGNAL MEASUREMENT DEVICE - Disclosed are a biosignal measurement device and a capacitively-coupled active electrode. The capacitively-coupled active electrode includes an electrode face configured to form capacitive coupling with a subject in a non-contact manner to detect a biosignal, and a pre-amplifier disposed on a rear side of the electrode face and embedded in a porous insulator. | 02-12-2015 |
20150054495 | SENSOR FOR CONTACTLESS ELECTROCARDIOGRAPHIC MEASUREMENT - A sensor for a contactless electrocardiographic measurement on a person includes a carrier for fastening the sensor on an object, such as a vehicle seat, and at least one electrically flat electrode mounted to the carrier by an elastic element. An inflatable bellows is disposed between the carrier and the electrode, inflation of the bellows deflecting the elastic element and increasing a distance between the electrode and the carrier to thereby urge the electrode toward a person seated on the seat. | 02-26-2015 |
20150061644 | INTERCONNECTION METER SOCKET ADAPTERS - Interconnection meter socket adapters are provided. An interconnection meter socket adapter comprises a housing enclosing a set of electrical connections. The interconnection meter socket adapter may be configured to be coupled to a standard distribution panel and a standard electrical meter, thereby establishing connections between a distribution panel and a user such that electrical power may be delivered to the user while an electrical meter measures the power consumption of the user. An interconnection meter socket adapter may be configured to be coupled to a DC-AC converter, which may be coupled to various energy sources. As such, the energy sources are coupled to an electrical power system. In addition, a connector such as a flexible cable or flexible conduit containing insulated wires can be provided for connecting various energy sources and/or sinks. | 03-05-2015 |
20150061645 | SENSOR DEVICE - This invention provides a sensor device at reduced cost. The sensor device includes a printed circuit board, a first terminal, a second terminal, an interconnect line, and a semiconductor device. The first terminal and second terminal are provided on the printed circuit board and coupled to a power line. The second terminal is coupled to a downstream part of the power line with respect to the first terminal. The interconnect line is disposed on the printed circuit board to couple the first terminal and second terminal to each other. In other words, the interconnect line is coupled to the power line in parallel. The semiconductor device is mounted on the printed circuit board and includes an interconnect layer and an inductor formed in the interconnect layer. | 03-05-2015 |
20150069998 | Power Line Takeoff Clamp Assembly - In a power line takeoff clamp assembly and method of use thereof an electrical power distribution line is clamped to a body of the clamp assembly. A power takeoff supported by the body clamped to the power line generates direct current from alternating current flowing in the power line. One or more sensors supported by the body clamped to the power line sense one or more values related to an electrical current flowing in a power line. A wireless transceiver supported by the body clamped to the power line communicates data regarding the one or more sensed values. Each sensor and the wireless transceiver utilize direct current generated by the power takeoff for the operation thereof. | 03-12-2015 |
20150091551 | Vertical Shunt Resistor - A measurement resistor for current measurement is described. According to one exemplary embodiment, the measurement resistor includes a first and a second metal layer, an electrically insulating interlayer and a resistive layer. The first metal layer is arranged in a first plane. The second metal layer is arranged in a second plane that is essentially parallel to the first plane and separated from the first plane. The electrically insulating interlayer is arranged between the first and second metal layers and mechanically connects the first and second metal layers to one another. The resistive layer electrically connects the first and second metal layers to one another. | 04-02-2015 |
20150115935 | SHUNT RESISTANCE TYPE CURRENT SENSOR - A shunt type current sensor ( | 04-30-2015 |
20150145501 | SYSTEMS AND METHODS FOR CURRENT AND VOLTAGE MONITORING - A cable for monitoring current and voltage includes a plug, a socket, first and second conductors extending from the plug to the socket, a current and voltage monitoring module, a transceiver, and a housing. The current and voltage monitoring module is coupled to the first and second conductors, and is configured to measure current and voltage usage levels of the conductors. The transceiver is coupled to the current and voltage monitoring module and is configured to receive data related to the current and voltage levels and transmit the data related to the current and voltage levels. The housing is configured to house the current and voltage monitoring module, the transceiver and one of the socket and the plug. | 05-28-2015 |
20150293151 | Apparatus Having Feedback Loops Between Multiple Pairs of Instrumentation Modules - The apparatus includes a frame to accommodate more than two instrumentation modules; a multiplexed bus associated with the frame and including more than two connectors; and a sense instrumentation module and a source instrumentation module mounted in the frame, electrically connected to respective ones of the connectors, and collectively including a communication link, and a circuit path that includes, in series between a sense input and a source output, a sense circuit to generate a sense output signal representing a sensed parameter dependent on a source signal; a feedback controller to generate a control signal in response to the sense output signal; and a source circuit to generate the source signal in response to the control signal. The communication link is in the circuit path, and includes a bus transmitter and a bus receiver each configured to select a channel of the multiplexed bus via which to communicate. | 10-15-2015 |
20150301088 | CURRENT MEASUREMENT DEVICE AND CURRENT MEASUREMENT METHOD - A current measurement device is provided which includes a casing configured to surround a cable and a magnetic sensor. The magnetic sensor is configured to be movable along the periphery of the cable within the casing and to output an output signal varying according to a current value of a current flowing through the cable. | 10-22-2015 |
20150309075 | INTERCONNECTION METER SOCKET ADAPTERS - Interconnection meter socket adapters are provided. An interconnection meter socket adapter comprises a housing enclosing a set of electrical connections. The interconnection meter socket adapter may be configured to be coupled to a standard distribution panel and a standard electric meter, thereby establishing connections between a distribution panel and a user such that electrical power may be delivered to the user while an electrical meter measures the power consumption of the user. An interconnection meter socket adapter may be configured to be coupled to a DC-AC inverter, which may be coupled to various energy sources. As such, the energy sources are coupled to an electrical power system. In addition, a connector such as a flexible cable or flexible conduit containing insulated wires can be provided for connecting various energy sources and/or sinks. | 10-29-2015 |
20150309078 | CURRENT SENSOR DEVICES AND METHODS - Devices and methods associated with current measurements are provided. A current in a conductor portion may be measured by a current sensing element. An output signal indicative of the current may be generated based on the measured current and information regarding a current path. | 10-29-2015 |
20150309086 | Measuring Method, Inspection Method, Inspection Device, Semiconductor Device, Method of Manufacturing a Semiconductor Device, and Method of Manufacturing an Element Substrate - An inspection method which simplifies an inspection step by eliminating the need to set probes on wiring or probe terminals, and an inspection device for performing the inspection step. A voltage is applied to each of inspected circuits or circuit elements to operate the same. Signal processing is performed on an output from each inspected circuit or circuit element during operation to form a signal (operation information signal) including information on the operating condition of the circuit or the circuit element. The operation information signal is amplified and the amplitude of an alternating current voltage separately input is modulated with the amplified operation information signal. The voltage of the modulated alternating current is read in a non-contact manner to determine whether the corresponding circuit or circuit element is non-defective or defective. | 10-29-2015 |
20150316585 | MEASURING ARRANGEMENT FOR MEASURING AN EFFECTIVE VALUE OF AN AC VOLTAGE IN A HANDHELD POWER TOOL - The hand-held power tool according to the invention has a measuring system for determining an effective value of an alternating voltage (U), which is fed via an external conductor (L) with respect to a neutral conductor (N). A regulated direct voltage source ( | 11-05-2015 |
20150323567 | RESISTOR FOR DETECTING CURRENT - Provided is a metal plate resistor, which is able to be manufactured easily, and which has heat dissipation characteristics with a small variation, while maintaining small and compact structure. The resistor includes a resistance body ( | 11-12-2015 |
20150323568 | ARRANGEMENT FOR MEASURING CURRENT - An arrangement is provided for measuring electrical currents and is based on magnetic fields. By at least one sensor element which is sensitive to magnetic fields, current is measured in a bent conductor element including a conductor section which is active in terms of current measurement and at least one conductor section which is parasitic in terms of current measurement. In the region of the conductor section which is active in terms of current measurement, the sensor element is oriented, i.e. twisted, tilted, and/or height-adjusted with respect to the conductor section which is parasitic in terms of current measurement, such that the magnetic field of the conductor section which is active in terms of current measurement is oriented substantially in the direction of sensitivity and the magnetic field of the conductor section which is parasitic in terms of current measurement is oriented substantially not in the direction of sensitivity. | 11-12-2015 |
20150346238 | VOLTAGE SENSOR FOR HIGH AND MEDIUM VOLTAGE USE AND A METHOD OF MAKING THE SAME - A voltage sensor is disclosed for high and medium voltage use, wherein a voltage divider is arranged in a housing with external creepage distance enlarging ribs. To implement structures for creepage path enlargement to a sensor housing in a very effective and easy way, the voltage divider is arranged in a housing or in housing modules which is or are covered at least partly by at least one shrinking tube of insulating material such that the shrinking creepage enlarging structures are implemented at least at outer surface of the shrinking tube. | 12-03-2015 |
20150362529 | POWER CONVERSION SYSTEM AND VOLTAGE SAMPLING DEVICE THEREOF - A voltage sampling system is provided. The voltage sampling system includes a first and a second input paths and a signal-processing module. The first input path includes a first input voltage-dividing resistor unit, a second input voltage-dividing resistor unit and a first DC voltage-dividing resistor unit to generate a first input divided voltage and a first DC bias voltage to further generate a first sampled voltage signal according to a first input voltage and a DC voltage source. The second input path includes a third input voltage-dividing resistor unit, a fourth input voltage-dividing resistor unit and a second DC voltage-dividing resistor unit to generate a second input divided voltage and a second DC bias voltage to further generate a second sampled voltage signal according to a second input voltage and the DC voltage source. The signal-processing module receives the first and the second sampled voltage signals to perform signal processing. | 12-17-2015 |
20150362532 | METHOD AND APPARATUS FOR CURRENT CORRECTION - The disclosure relates to a method, apparatus and computer readable medium for compensating for capacitive coupling effects in an inductive current sensor. The method comprises receiving a current of an electrical signal measured at a current sensor at an instant in time. The method further comprises applying a capacitive coupling compensation coefficient to a voltage of the electrical signal measured at a voltage sensor at the instant in time to obtain a capacitive coupling compensation value. Furthermore, the method comprises adjusting the current of the electrical signal using the capacitive coupling compensation value to obtain a compensated current of the electrical signal. | 12-17-2015 |
20150369845 | INTEGRATED CIRCUIT WITH INTEGRATED CURRENT SENSOR - An integrated circuit die includes a stack of a substrate and multiple layers extending in parallel to the substrate. A number of integrated electronic components is formed in the stack, and connected to form an electronic circuit. The electronic circuit comprises a first electric contact, a second electric contact, and a coupling which couples the electric strips electrically to each other. The coupling includes a circuit via which extends through at least two of the layers. The die further includes an integrated current sensor having a coil arrangement for sensing a current flowing through a part of the electronic circuit. The coil arrangement is magnetically coupled to the circuit via over at least a part of a length of the circuit via to sensing a magnetic flux through the circuit via. A measurement unit can measure a parameter of the coil arrangement representative of a current flowing through the circuit via. | 12-24-2015 |
20150377931 | CURRENT MEASUREMENT IN A POWER SEMICONDUCTOR ARRANGEMENT - A semiconductor arrangement may comprise a multiplicity of semiconductor elements with controlling paths and controlled paths, the controlled paths having controllable conductivities and being connected parallel to each other. The semiconductor arrangement may also comprise a current evaluation circuit configured to measure current strengths of currents present in the controlled paths and to provide a signal representing the sum of the measured current strengths, and a control circuit connected to the controlling paths and configured to control the conductivities of the controlled paths in accordance with an input signal and the signal representing the sum of the current strengths, wherein at least one controlled path is controlled to have minimum conductivity if the signal representing the sum of the current strengths is below a threshold value. | 12-31-2015 |
20150377933 | INTEGRATED CIRCUIT, CURRENT SENSE CIRCUIT FOR A PULSE WIDTH MODULATION DRIVER AND METHOD THEREFOR - A current sense circuit for a PWM driver comprises: a PWM control circuit comprising: a first switching device arranged to receive a PWM signal from the PWM driver whose current is to be sensed; and a second switching device whose supply current is arranged to track the sensed current of the PWM driver. An ADC is operably coupled to the first and second switching device. The ADC comprises: a DAC arranged to provide a current sense to the second switching device that tracks the current passing through the PWM driver; a first comparator arranged to receive and compare an output current from the DAC and an output current from the first switching device; and a first successive approximation register arranged to receive an output from the comparator and provide: a first output to the ADC; and a second output that provides a representation of the sensed current. | 12-31-2015 |
20160003871 | Contactless Device for Characterising An Electric Signal - A contactless device for characterising the electrical signal passing through an electrical conductor, comprising an inductive electromagnetic coupling means able to surround the conductor, the inductive electromagnetic coupling means further comprising means for short-circuiting the output of the inductive electromagnetic coupling means, the output being connected to an electronic circuit for measuring the potential difference with respect to a floating earth configured to deliver a signal representing the voltage between the segment of the conductor passing through the device, and a fixed potential reference. | 01-07-2016 |
20160011236 | SMART METER VOLTAGE SENSING USING OPTICALLY COUPLED ISOLATORS | 01-14-2016 |
20160011239 | INTERFERENCE COMPENSATING SINGLE POINT DETECTING CURRENT SENSOR FOR A MULTIPLEX BUSBAR | 01-14-2016 |
20160011246 | AUTOMATIC GENERATION AND ANALYSIS OF SOLAR CELL IV CURVES | 01-14-2016 |
20160018448 | MEASUREMENT DEVICE AND MOUNTING UNIT - A measurement device has a sensor that generates current by electromagnetic coupling to a power line, a measurement circuit that measures one of voltage and power, the voltage and the power being obtained by the current generated in the sensor according to voltage at the power line, a conductive member electrically connected to a signal ground line of the measurement circuit, and an insulating member that brings the conductive member close to an external conductor and to insulates the conductive member from the external conductor. | 01-21-2016 |
20160018449 | ELECTRONIC DEVICE AND METHOD FOR TRACKING ENERGY CONSUMPTION - The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant ON-time. | 01-21-2016 |
20160041206 | MEASURING RESISTOR AND CORRESPONDING MEASURING METHOD - The invention relates to a measuring resistor ( | 02-11-2016 |
20160054358 | High-Voltage Measurement Divider - A high-voltage measurement divider for an X-ray tube is provided. The high-voltage measurement divider includes a ground connection, a high-voltage connection, a measuring tap, and divider modules of substantial identical design apart from the circuitry. Each of the divider modules has a first connection, a second connection, a resistor board, and at least one flat potential electrode. The divider modules are connected at corresponding connections in series between the ground connection and the high-voltage connection. At least one division stage is formed by each of the divider modules, and a first division stage is formed between the measuring tap and the ground connection. | 02-25-2016 |
20160061863 | MAGNETIC CURRENT SENSOR AND CURRENT MEASUREMENT METHOD - A magnetic current sensor including a Wheatstone bridge circuit formed of four magnetoresistance devices; bias magnetic field application that applies a bias magnetic field to the magnetoresistance devices; and air-core coils provided on both sides of the Wheatstone bridge circuit. The Wheatstone bridge circuit generates a voltage corresponding to an induction magnetic field generated by a current to be measured flowing through the air-core coils. According to the magnetic current sensor and current measurement method, the linearity between a current and an output voltage is near 0 mA as a result of magnetic hysteresis being suppressed, and an increase in current and a reduction in size and cost are realized as a result of insulation between the current circuit side and the MR device side being excellent. | 03-03-2016 |
20160061865 | STRUCTURE OF MOUNTING CURRENT SENSOR TO BATTERY CABLE - A structure of mounting a current sensor to a battery cable includes a battery cable, a thermal fusion bonding tape wound around an outer circumference of the battery cable, and a current sensor. The current sensor includes a housing including a current detecting part configured to detect a current flowing through the battery cable, and a holder configured to hold and compress a thermal fusion bonding tape mounting portion in cooperation with the housing to deform a cross-sectional shape of the thermal fusion bonding tape mounting portion into an elliptical shape. The thermal fusion bonding tape mounting portion is a portion where the thermal fusion bonding tape is wound around the battery cable. Upon a compression between the housing and the holder being released, the elliptical shape of the cross-sectional shape of the thermal fusion bonding tape mounting portion is maintained. | 03-03-2016 |
20160069937 | VOLTAGE SENSING UNIT FOR SENSING VOLTAGE OF HIGH-POWER LINES USING A SINGLE-CONTACT POINT AND METHOD OF USE THEREOF - A method is provided of ascertaining an unknown line (conductor) voltage at point X on a power line within an electrical grid comprises collecting raw voltage at or about Point X using a sensor; gathering additional data from data collection sources upstream (comprising, for example a substation) and/or downstream (comprising, for example, smart meters) to Point X (constraining data); using raw voltage, and environment and line data (comprising at least one of GPS location of sensor, GIS data of the electrical grid, phase, type of conductor, total load on conductor), to calculate voltage range at Point X; and using constraining data sequentially to bind (narrow and tighten) the voltage range from a determined range of possibilities to a likely absolute voltage measurement. | 03-10-2016 |
20160077138 | TRACKING ENERGY CONSUMPTION USING A SEPIC-COVERTER TECHNIQUE - The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant width ON-time. | 03-17-2016 |
20160084877 | MEASURING DEVICE HAVING AN INTERFACE - Described and shown is a measuring device ( | 03-24-2016 |
20160084885 | DEVICE FOR USE WITH AN ELECTRICITY METER - A device for use with an electricity meter is selectively moveable between first and second positions. The device comprises a fuse support capable of holding a fuse in a fuse position. The device is arranged such that, when in the first position, the fuse position is located relative to first and second circuits such that when a fuse is held in the fuse support the first circuit is closed and the second circuit is open. The device is further arranged such that moving the device from the first position to the second position causes the fuse position to be relocated relative to the first and second circuits such that the first circuit is opened and the second circuit is closed. | 03-24-2016 |
20160084886 | An Electricity Meter and an Insulating Carrier for a Sensor Component of an Electricity Meter - An electricity meter comprises a conductor having a substantially planar surface; and a carrier for carrying a sensor component for enabling detection of current flowing in the conductor, wherein the carrier is spaced from the planar surface of the conductor by an arrangement of at least three spacing elements. The spacing elements may project from the carrier or from the substantially planar surface of the conductor. | 03-24-2016 |
20160084887 | CURRENT SENSOR DEVICE HAVING A SENSE RESISTOR IN A RE-DISTRIBUTION LAYER - The electronic device for sensing a current comprises a semiconductor chip comprising a main face, an electronic circuit integrated in the semiconductor chip, a redistribution metallization layer disposed above the main face of the semiconductor chip, a current path formed in the redistribution metallization layer, the current path forming a resistor that is connected at two resistance defining end points to the electronic circuit for sensing a current flowing through the current path, and external contact elements connected with the redistribution metallization layer for feeding a current to be sensed into the current path. | 03-24-2016 |
20160084888 | CLOSURE | 03-24-2016 |
20160091536 | DIRECTIONAL COUPLER - A directional coupler is configured to provide a forward and/or a backward signal derived from a high-frequency signal. The directional coupler comprises a coupling element coupled to a main line, wherein the main line is configured to transport the high frequency signal. The directional coupler further comprises a signal line connecting the coupling element to a measuring port. The signal line comprises a defected ground structure inserted between the coupling element and the measuring port. | 03-31-2016 |
20160109484 | SHUNT RESISTANCE TYPE CURRENT SENSOR - A shunt resistance type current sensor includes a bus bar, a circuit board disposed to oppose the bus bar, a shunt resistance part in the bus bar, connection terminals which electrically connect the bus bar and the circuit board, and a voltage detector which is mounted on the circuit board and detects a voltage applied to the bus bar to detect a magnitude of current to be measured flowing through the bus bar. The connection terminal is formed integrally with the bus bar as an extending piece extended from an edge part of the bus bar, an area of the connection terminal reduced in its plate thickness than that of the bus bar is set in a range from a tip side thereof, and the tip side of the connection terminal penetrates the circuit board and connects with the circuit board. | 04-21-2016 |
20160109490 | ENERGY TRACKING CIRCUIT - A circuit, system, and method for tracking energy use in a electronic circuit. A circuit includes a DC-DC converter and a comparator. The DC-DC converter is configured to maintain a desired output voltage by switching energy to an energy storage device based on an output voltage of the energy storage device. The DC-DC converter includes an output driver configured to source current to the energy storage device. The comparator is coupled to the DC-DC converter. The comparator is configured to identify a drive state of the output driver, and to generate a signal indicative of amount of energy transferred from the DC-DC converter to a load circuit. The signal corresponds to the identified drive state. | 04-21-2016 |
20160124023 | SHUNT RESISTANCE TYPE CURRENT SENSOR - A shunt resistance type current sensor includes a bus bar, a circuit board, voltage detection terminals and a voltage detector for detecting a magnitude of voltage applied to the bus bar. The bus bar is constituted of a through hole to be connected to a battery post, a through hole to be connected to a stud bolt for fixing a wire harness, and a shunt resistance part located between the through hole for the battery post and the through hole for the wire harness. The bus bar is configured so that an area including the through hole and an area including the through hole are formed in a stepped manner via a bent part. | 05-05-2016 |
20160131685 | BUSBAR CURRENT SENSOR - According to one aspect, embodiments herein provide a Power Distribution Unit (PDU) comprising an input configured to be coupled to a power source and to receive input power, a busbar coupled to the input at a first location on the busbar, the bus bar having a resistance, at least one power outlet coupled to a second location on the busbar via a first output line and configured to provide output power to a load, and a sensing circuit coupled proximate to the first location on the busbar and coupled proximate to the second location on the busbar and configured to determine a voltage drop between the first location and the second location and to calculate a magnitude of an output current provided to the at least one power outlet via the output line based on the voltage drop and the resistance of the busbar. | 05-12-2016 |
20160134184 | FAST HIGH-SIDE POWER FET GATE SENSE CIRCUIT FOR HIGH VOLTAGE APPLICATIONS - A circuit for sensing gate voltage of a power FET. A switching circuit includes a switching FET having a high voltage rating, its drain coupled to the gate of the power FET, and its source coupled to an output node. A first feedback loop is coupled to the gate of the switching FET to facilitate sensing rising gate voltage. A second feedback loop is coupled to the gate of the switching FET to facilitate sensing falling gate voltage. | 05-12-2016 |
20160146856 | Current Sensor - A current sensor has a measurement unit for measuring the current flowing through an electrical wire using electromagnetic induction caused by the magnetic flux around the electrical wire, a wireless transmission unit for wirelessly transmitting measurement results, a power generation unit for generating power using the same electromagnetic induction caused by the magnetic flux around the electrical wire, and a battery that is charged by the power generation unit and supplies power to the measurement unit and the wireless transmission unit. A sudden change in the current flowing through the electrical wire causes measurement to be carried out. The timing at which transmission is carried out is controlled according to the size of the current flowing through the electrical wire. When the measurement unit is measuring, power generation by the power generation unit is stopped. Measurement results obtained during insufficient charging are stored and sent after charge is secured. | 05-26-2016 |
20160154025 | VOLTAGE MEASUREMENT DEVICE AND VOLTAGE SENSOR | 06-02-2016 |
20160169945 | System and Method for Contact Measurement Circuit | 06-16-2016 |
20160187386 | COUPLED INDUCTOR CURRENT SENSING APPARATUS AND SYSTEMS - A voltage proportional to a sum of currents flowing though first and second coupled inductors is developed across a first capacitor common to first and second series RC networks if the RC networks are time constant-matched to the inductors. The first and second inductors are coupled between a first and second switched drive phase input terminal, respectively, and an apparatus output terminal. The first and second RC networks are coupled in parallel with the first and second inductor, respectively. Inverting and non-inverting inputs of an amplifier are coupled to junctions of third and fourth time constant-matched series RC networks coupled in parallel with the first and second inductors, respectively. The amplifier subtracts voltages sensed at the junctions to generate a difference signal proportional to a magnitude difference of the currents flowing through the inductors. | 06-30-2016 |
20160187387 | ELECTRICAL CURRENT TRANSDUCER WITH WOUND MAGNETIC CORE - Electrical current transducer including a housing ( | 06-30-2016 |
20160187390 | VOLTAGE SENSOR SYSTEM - A voltage sensor system for sensing voltage in a conductor, the voltage sensor system including a first plate, a first electrode disposed a first distance away from the first plate, a second plate, a second electrode disposed a second distance away from the second plate, a control unit structured to control one of the first plate and the second plate to be grounded and the other of the first plate and the second plate to be electrically floating, and a differential amplifier electrically connected to the first electrode and the second electrode and being structured to output an output voltage that is proportional to a difference in voltage between the first electrode and the second electrode. | 06-30-2016 |
20160187393 | LOAD SIDE VOLTAGE SENSING FOR UTILITY METER - An arrangement for use in a utility meter includes at least one circuit path, a three phase service switch, and a three phase monitoring unit. The at least one circuit path operably couples a source of electrical energy to a load. The service switch is operably coupled to the at least one circuit path and is configurable in an open state and a closed state. The monitoring unit is operably coupled to the at least one circuit path between the load and the service switch and is configured to detect a presence and an absence of line voltage on the load. The monitoring unit is further configured (i) to generate an open circuit signal responsive to the detection of the absence of line voltage on the load, and (ii) to generate a closed circuit signal responsive to the detection of the presence of line voltage on the load. | 06-30-2016 |
20160202295 | PRECISE DETECTOR OF CHARGE CURRENT FOR CHARGE-DISCHARGE DEVICE | 07-14-2016 |
20170234908 | VOLTAGE SENSING DEVICE | 08-17-2017 |
20180024168 | MEDIUM-VOLTAGE OR HIGH-VOLTAGE COUPLING | 01-25-2018 |
20190146006 | HIGH-VOLTAGE LEAD-IN INSULATING DEVICE | 05-16-2019 |