| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 307012000 | Common conductor or return type | 28 |
| 20080265670 | Converter for Providing Several Output Voltages - A device for providing several output voltages in a DC/DC converter, which comprises: a series inductance ( | 10-30-2008 |
| 20080265671 | Voltage Converter for Converting a Voltage to Multiple Output Voltages and Method of Operating Said Voltage Converter - The invention relates to an voltage converter for converting a voltage to multiple output voltages, comprising a first switching circuit (SO) connected to an inductive energy storage element (L) for allowing and interrupting a current flow through the inductive energy storage element (L); at least two second switching circuits (S | 10-30-2008 |
| 20090152944 | POWER SYSTEM - A power rail system comprises a rail for mounting on a surface and a device for providing power to the rail. An accessory releasably engages the rail and uses the power provided to the rail to power the accessory. The rail may also support non-powered accessories. In one embodiment the device for providing power to the rail comprises a power strip releasably mounted on the rail. The rail may include a first rail segment and a second rail segment where the device for providing power to the rail comprises a power strip located between the first rail segment and the second rail segment. The device for providing power to the rail may comprise an electrical conductor extending along a length of the rail. The electrical conductor is powered by a power module that connects to the rail. A power strip for use in the system is also provided. | 06-18-2009 |
| 20090189443 | Power conversion system and method thereof using pulse width modulation - A power conversion system comprises an input unit, a control unit, a plurality of pulse width modulation (PWM) units and a plurality of conversion units. The input unit is for generating an input voltage-current, and the PWM units are connected with the input unit respectively for receiving the input voltage-current and output the PWM signals corresponding to the input voltage-current respectively. The control units are connected with the PWM units respectively for counting the number of PWM units and determining the order of the PWM units. The PWM units determine the phases of the PWM signals based on the number and order of the PWM units. The conversion units connected with the corresponding PWM units respectively are for generating a plurality of working voltage-currents corresponding to the PWM signals. | 07-30-2009 |
| 20100019573 | ELECTRIC CONTROL AND SUPPLY SYSTEM - In at least some embodiments, an electrically controlled subsea production system includes a subsea electrical distributor that receives a high direct current (DC) voltage. The electrical distributor converts the high DC voltage to a lower DC voltage. The electrically controlled subsea production system also includes a plurality of subsea trees coupled to the subsea electrical distributor, wherein valves of the subsea trees selectively operate based on the lower DC voltage. | 01-28-2010 |
| 20110018341 | INTELLIGENT POWER SYSTEM - An intelligent power system includes one or more common power sources and one or more subsystem components interconnected with the common power sources. Each common power source includes an unregulated bus, a plurality of power source regulated buses, each regulated bus originating at a common power source and terminating at a respective one of k load subsystems, a power source, first, second, third and fourth groups of switches, a regulator having a plurality of outputs and an energy storage element. The regulator is configured to provide a time-shared mode of operation to provide power sequentially to one or more of the k load subsystems, such that the time intervals when the regulator is connected to any one of the k load subsystems do not overlap, and where the regulator is configured to switch in supplemental power from the energy storage, if necessary, to ensure that an average power delivered by the regulator does not exceed the average power consumed by all of the k load subsystems. | 01-27-2011 |
| 20110068623 | BUS BAR POWER DISTRIBUTION FOR AN ANTENNA EMBEDDED RADIO SYSTEM - A power distribution for an array of active electronic circuits in an antenna of a mobile communications base-station is disclosed. The power distribution comprises a first conductor connectable to a first terminal of a power supply unit, and a second conductor connectable to a second terminal of the power supply unit. The first conductor and the second conductor are at least partly bare and rigid, and are routed to the antenna-embedded radios in a manner separate from each other. | 03-24-2011 |
| 20110095604 | POWER ADJUSTMENT SYSTEM ADAPTED FOR POWERING AN ELECTRIC LINE FOR SUPPLYING POWER TO VEHICLES - The invention relates to a power adjustment system adapted for powering an electric line for supplying power to vehicles moving in a traffic lane combined with said electric line that comprises an electric supply feeder (AD) delivering an average electric power directly or via at least one converter to the electric line, and an adjustable power based on power fluctuation and required for an instantaneous traffic intensity to an energy storage means (MS) capable of powering the electric line at a peak power via at least one other converter, characterised in that a dimensioning unit (PCC) receives information on the power needs based on the traffic intensity evaluated over at least one duration of said traffic, and in that the dimensioning unit uses information for controlling an adjustment of the useful predictable storage of the storage means so that the electric power (P_IN0, P_IN1) delivered to the storage means is adjusted and minimal while exactly maintaining a sufficient energy backup in the storage means for compensating for any peak power (P_INST) instantaneously required by the traffic in the given duration. | 04-28-2011 |
| 20120080940 | Load Coordinating Power Draw for Limited Ampacity Circuits - Presented is a system and method for coordinating power usage of electrical devices on a power bus. In an embodiment, the system includes a power bus, a first electrical device that is able to intermittently draw power from the power bus, a second electrical device that is able to intermittently draws power from the power bus, and a means for sensing when the second electrical device is intermittently drawing power. When the second electrical device is intermittently drawing power, the first electrical device is inhibited from drawing power from the power bus. | 04-05-2012 |
| 20120098334 | Intermediate Bus Architecture Power Supply Controller - A voltage controller ( | 04-26-2012 |
| 20120126615 | Production Line Capable of Supplying Electric Power - A production line includes a carrier board having a power socket that has a plurality of power lines and a plurality of conductive elements connected to the power lines, respectively; a track having a track body and a pair of track sidewalls; a plurality of electricity-collecting tracks provided on the track body for supplying different power signals; and a plurality of guarding units, each of which has a supporting frame perpendicularly provided on the track body and a covering sheet connected to the supporting frame for covering the electricity-collecting tracks, a plurality of crevices formed between each of the covering sheets; wherein each of the conductive elements has a contact end penetrating and extending into each of the crevices and flexibly contacting each of the corresponding electricity-collecting tracks so as to receive the different power signals and transmit the different power signals to the power lines of the power socket. | 05-24-2012 |
| 20120169118 | POWER SUPPLY SYSTEM FOR RACK SERVER - A power supply system is for supplying power to a number of loads, and includes a number of plugs, a number of power supply modules of the same type, and a number of current distribution modules. The plugs are respectively used for connecting to an external power source, to obtain alternating current. The power supply modules are connected to the respective plugs for converting the alternating current into direct current and providing the direct current to the loads according to the requirements of the loads. Each power supply module includes a positive electrode and a negative electrode, both of which connect to a corresponding load. The current distribution module electrically connects the positive electrodes to each other, and electrically connects the negative electrodes to each other, such that the power supply modules are connected in parallel. | 07-05-2012 |
| 20120205972 | POWER SOURCE CONNECTING DEVICE - A power source connecting device includes an adapter, a rail and a plurality of power cables. The adapter connected to an external power source converts the alternating current output from the external power source to direct current. The rail electrically connects to the adapter. One end of each of the power cable connected to an electronic device, and another end of each of the power cable connects to the rail and is configured for slide along the rail together with the electronic device. The power cable remains in electrical connection with the rail during the sliding. | 08-16-2012 |
| 20130342011 | POWER MANAGERS AND METHODS FOR OPERATING POWER MANAGERS - Various aspects of invention provide portable power manager operating methods. One aspect of the invention provides a method for operating a power manager having a plurality of device ports for connecting with external power devices and a power bus for connecting with each device port. The method includes: disconnecting each device port from the power bus when no external power device is connected to the device port; accessing information from newly connected external power devices; determining if the newly connected external power devices can be connected to the power bus without power conversion; if not, determining if the newly connected external power devices can be connected to the power bus over an available power converter; and if so, configuring the available power converter for suitable power conversion. | 12-26-2013 |
| 20140084681 | MAINTAIN POWER SIGNATURE (MPS) FROM A POWERED DEVICE (PD) WHILE POWER IS DRAWN FROM ANOTHER SOURCE - A system for sinking maintain power signature (MPS) current to a rectifier bridge from a powered device (PD) controller in a Power over Ethernet (PoE) network is disclosed. In one or more implementations, the system includes a rectifier bridge configured to electrically connect to Power over Ethernet power sourcing equipment for receiving power from the power sourcing equipment. The system also includes a powered device controller operatively connected to the rectifier bridge and configured to control power supplied to a load. The load is configured to receive power from the power sourcing equipment and a second power source. The powered device controller is configured to source maintain power signature current to the power sourcing equipment using an input of the rectifier bridge when the second power source is furnishing power to the load. | 03-27-2014 |
| 20140361613 | System and Method for Reducing Reactive Current on a Common DC Bus with Multiple Inverters - A system configured to reduce the amplitude of reactive current present on a DC bus shared by multiple inverters is disclosed. The start of the switching period for the modulation routines of each inverter is synchronized, and a carrier phase angle is determined for a carrier signal within each of the inverters. The modulation routine of each inverter generates a reactive current on the shared DC bus. By controlling the carrier phase angle for each inverter, the reactive current of a first inverter may be generated at a phase angle that is offset from the phase angle of the reactive current generated by a second inverter. As a result, the reactive current from the first inverter cancels at least a portion of the reactive current from the second inverter, reducing the total reactive current present on the DC bus. | 12-11-2014 |
| 20150042162 | INTEGRATED DRIVE MOTOR POWER INTERFACE - An integrated drive motor (IDM) power distribution architecture utilizes an IDM power interface module (IPIM) to create a control voltage that is distributed to all the IDMs in a network. This power distribution may be accomplished along a hybrid cable, for example, that includes both signal conductors and power conductors. The IPIM is capable of detecting short circuits and/or overload conditions and disabling the power supply to the IDMs. Additionally, a second power supply may be utilized in the IPIM such that when the power supply to the IDMs is deactivated, the IPIM may remain functional, for example, to report one or more fault conditions to the user. Additionally, this reporting of fault status may be accomplished via a user display integrated with or coupled to the IPIM. | 02-12-2015 |
| 20150084416 | POWER ELECTRONICS DEVICE, DEVICE DETECTION METHOD, AND PROGRAM - According to one embodiment, there is provided a power electronics device including: a connector connected to a power line; a power controller; a connection detection processor; and a collision monitor. The power controller performs at least one of generating an electric signal to the power line and detecting an electric signal on the power line via the connector. The connection detection processor performs a connection detection process with use of the power controller to detect another power electronics device connected to the power line. The collision monitor monitors whether or not collision of electric signals occurs on the power line during the connection detection process and controls the connection detection processor according to a monitoring result of whether or not the collision of electric signals occurs. | 03-26-2015 |
| 20160149406 | IMPROVEMENTS IN OR RELATING TO ELECTRICAL SOCKETS - The present invention relates to a socket box. The socket box includes a base, a socket insert, a facia insert and an internal electrically conductive substrate. The socket insert comprises a body having an upper surface and a lower surface, wherein the upper surface is provided with a plurality of apertures which are sized and spaced so as to receive the pins of an electrical plug, and wherein further the lower surface is provided with a plurality of sprung electrical contacts. The socket insert and electrically conductive substrate are supported and held in spaced relationship to one another by the facia insert such that the sprung electrical contacts are compressed against the electrically conductive substrate, and wherein further the facia insert in turn is supported by the base. | 05-26-2016 |
| 307013000 | Polyphase | 8 |
| 20090051220 | POLYPHASE POWER DISTRIBUTION AND MONITORING APPARATUS - A polyphase power distribution and monitoring apparatus having sets of outputs for each phase of power and monitors for each phase of power disposed in the housing. Each monitor provides a visible display of current for an associated phase of power and an audible alarm for each phase of power if the current exceeds a predetermined value or falls below a predetermined value. In three-phase wye power systems, the apparatus preferably includes a neutral line monitor, including a neutral line current display and audio alarm, for the neutral line of the wye power circuit. The apparatus preferably is lightweight, elongated, portable, and mountable to the side of an electronic equipment rack. It may also include additional power monitoring systems such as network power monitoring tools for remotely monitoring the apparatus. | 02-26-2009 |
| 20100194194 | Power Supply Strip for Electronic Equipment - A power supply strip for electronic equipment including a power supply cable for connection to a power source, a housing connected to the power supply cable, and a plurality of conductor rails located within the housing. One or more power receptacle modules is insertable into the housing, each comprising at least one power receptacle. Each power receptacle module is connectable to selected conductor rails such that the or each power receptacle is configurable to provide a desired power supply configuration. With a three-phase power supply, the rails can be selectable between A-phase, B-phase, C-phase, Neutral and Ground. | 08-05-2010 |
| 20120007423 | POLYPHASE POWER DISTRIBUTION AND MONITORING APPARATUS - A polyphase power distribution and monitoring apparatus having sets of outputs for each phase of power and monitors for each phase of power disposed in the housing. Each monitor provides a visible display of current for an associated phase of power and an audible alarm for each phase of power if the current exceeds a predetermined value or falls below a predetermined value. In three-phase wye power systems, the apparatus preferably includes a neutral line monitor, including a neutral line current display and audio alarm, for the neutral line of the wye power circuit. The apparatus preferably is lightweight, elongated, portable, and mountable to the side of an electronic equipment rack. It may also include additional power monitoring systems such as network power monitoring tools for remotely monitoring the apparatus. | 01-12-2012 |
| 20140015317 | POLYPHASE POWER DISTRIBUTION AND MONITORING APPARATUS - A polyphase power distribution and monitoring apparatus having sets of outputs for each phase of power and monitors for each phase of power disposed in the housing. Each monitor provides a visible display of current for an associated phase of power and an audible alarm for each phase of power if the current exceeds a predetermined value or falls below a predetermined value. In three-phase wye power systems, the apparatus preferably includes a neutral line monitor, including a neutral line current display and audio alarm, for the neutral line of the wye power circuit. The apparatus preferably is lightweight, elongated, portable, and mountable to the side of an electronic equipment rack. It may also include additional power monitoring systems such as network power monitoring tools for remotely monitoring the apparatus. | 01-16-2014 |
| 20160134111 | POLYPHASE POWER DISTRIBUTION AND MONITORING APPARATUS - A polyphase power distribution and monitoring apparatus having sets of outputs for each phase of power and monitors for each phase of power disposed in the housing. Each monitor provides a visible display of current for an associated phase of power and an audible alarm for each phase of power if the current exceeds a predetermined value or falls below a predetermined value. In three-phase wye power systems, the apparatus preferably includes a neutral line monitor, including a neutral line current display and audio alarm, for the neutral line of the wye power circuit. The apparatus preferably is lightweight, elongated, portable, and mountable to the side of an electronic equipment rack. It may also include additional power monitoring systems such as network power monitoring tools for remotely monitoring the apparatus. | 05-12-2016 |
| 307014000 | Phase balancing | 3 |
| 20090167080 | CURRENT BALANCING FOR MULTI-PHASE CONVERTERS - A converter for a multi-phase current network can include a plurality of current sensors, each of the plurality of current sensors being configured to detect current for a respective phase of the multi-phase network. A current averaging circuit is configured to provide an indication of the average current for the multi-phase network based on the current detected by each of the plurality of current sensors. A modulator is configured to modulate at least one phase of the multi-phase network independently of each other phase of the multi-phase network based on a difference between the current detected for the at least one phase and the average current for the multi-phase network. | 07-02-2009 |
| 20140159483 | APPARATUS AND METHOD FOR OPTIMAL PHASE BALANCING USING DYNAMIC PROGRAMMING WITH SPATIAL CONSIDERATION - Provided are an apparatus and method for load-balancing of a three-phase electric power distribution system having a multi-phase feeder, including obtaining topology information of the feeder identifying supply points for customer loads and feeder sections between the supply points, obtaining customer information that includes peak customer load at each of the points between each of the feeder sections, performing a phase balancing analysis, and recommending phase assignment at the customer load supply points. | 06-12-2014 |
| 20140327305 | PHASE BALANCING OF POWER TRANSMISSION SYSTEM - Phase balancing techniques for power transmission systems are disclosed. In one embodiment, a phase balancing protocol ( | 11-06-2014 |
| 307016000 | Plural output generators | 1 |
| 20090008993 | Hybrid electromechanical power transfer system - An electromechanical power transfer system that transfers power between a prime mover and a combination of multiphase alternating current (AC) and direct current (DC) electrical power systems, comprises: a dynamoelectric machine that has a rotor assembly coupled to the prime mover, a main stator with a multiphase alternating current (AC) winding coupled to a main stator bus and a control coil with a winding that varies the output of the main stator with the application of control coil current; a matrix converter coupled to the main stator bus for converting AC on the main stator bus to AC of a desired electrical frequency and potential on an AC system bus; an active rectifier coupled to the main stator bus for converting AC on the main stator bus to DC of a desired potential on a DC bus; and a system control unit for generating the control coil current with a level that regulates the output of the main stator on the main stator bus, controlling the output of the matrix converter to regulate the output of the AC system bus and controlling the output of the active rectifier to regulate the output of the DC bus. | 01-08-2009 |
