| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 307151000 | Conversion systems | 76 |
| 20080211321 | Power adapter module with rotatable plug, power supply and electric apparatus with power adapter module or power supply of the same - A power adapter module with alternative plug includes a power supply body constructed by putting an upper housing and a lower housing together, and an attachable/detachable plug, wherein a recess portion is formed within the upper housing. The recess portion includes a recess bottom and a recess wall, wherein a plurality of projecting hold portions are formed on a portion of the recess wall facing a center axial of the recess portion, and a plurality of recesses corresponding to the plurality of hold portions are formed on a plug wall of the plug adjacent to the recess wall. A groove thinner than other portions is formed on a portion of the hold portion near the recess bottom, and, in each recesses of the plug wall, a plug groove complementary to the groove is formed. | 09-04-2008 |
| 20080296982 | REMOTE ELECTRICAL EQUIPMENT POWER SOURCE - The present invention is a remote electrical equipment power source. The remote electrical equipment power source includes an electrical generator adapted to power remote electrical equipment and a repulsive force conversion drive. The repulsive force conversion drive includes at least two repulsive units to repulse each other. One unit is fixed, while the second is movably suspended. There is a motion inducing plate positioned between the two repulsive units and movable between the two repulsive units. The first motion inducing plate is of a material that reduces the repulsive force between the two repulsive units. There is a drive mechanism connected to second repulsive unit. | 12-04-2008 |
| 20090195085 | ALTERNATING CURRENT POWER SOURCE - A power source, such as a device for providing electrical power to operate other devices, is provided. The power source includes an input voltage connection in communication with a low voltage line of a low voltage lighting system and circuitry operative to convert a voltage of the input voltage connection to an output voltage of at least 90 VAC. The power source also includes an output voltage connection for communicating the output voltage to a peripheral outside of the housing. | 08-06-2009 |
| 20090230784 | Apparatus and Method Pertaining to Light-Based Power Distribution in a Vehicle - A vehicle ( | 09-17-2009 |
| 20090267421 | POWER CONVERTING DEVICE - A power converting device is disclosed, used in an electronic system for converting a first power into a second power. The power converting device includes a receiving module, a converting module and an output module. The receiving module is used for receiving the first power. The converting module is coupled to the receiving module for converting the first power into the second power according to at least one control signal. The output module is coupled to the converting module for outputting the second power. | 10-29-2009 |
| 20090295235 | In Situ Reconstruction of High Voltage Electric Power Lines - A method for creating working space for construction of a new high-voltage transmission line within an existing three phase high voltage transmission right of way without removing the existing three-phase high voltage transmission line already occupying that right of way from service. The method includes removing the voltage applied to one phase of the existing transmission line, continuing to transmit power on the conductors comprising the remaining phases, and installing new support structures and their associated conductors on the right of way while the existing transmission line continues to operate. | 12-03-2009 |
| 20100007220 | POWER MANAGEMENT SYSTEM - A power management system for coupling to a worksite power-supply network and a PoE (Power over Ethernet) network, includes a power receiving terminal for receiving an input operating voltage with 24 volt DC from the worksite power-supply network, a voltage converter for converting the input operating voltage into an output operating voltage, and a power output terminal for transmitting the output operating voltage to a powered device coupled to the PoE network. | 01-14-2010 |
| 20100007221 | CONTROLLING METHOD FOR MULTI-CONVERTER STRUCTURE HAVING SERIES-CONNECTED INPUTS AND PARALLEL-CONNECTED OUTPUTS - The method of controlling a multi-converter having N converters with series-connected inputs and parallel-connected outputs is provided in the present invention. The proposed controlling method includes steps of: causing each of the N converters to have an intermittent operating period, an intermittent operating time interval and an intermittent operating duty ratio equal to a value of the intermittent operating time interval divided by a value of the intermittent operating period; and causing the N converters to operate alternately with the intermittent operating period, wherein N is an integer larger than one. | 01-14-2010 |
| 20100013326 | POWER STATION HAVING A CONSUMER AND METHOD FOR ITS OPERATION - A power station ( | 01-21-2010 |
| 20100127576 | Determination of the load capability of a DC voltage source which is connectable to an electric power grid via an inverter and a grid disconnect switch - A method for determining a load capability of a direct current (“DC”) voltage source connectable to an alternating current (“AC”) power grid having a predetermined frequency via an inverter and a grid disconnect switch includes controlling, while the grid disconnect switch is in an open position, the inverter so as to convert a DC input voltage to a test frequency different than the predetermined frequency of the AC power grid so as to increase a test load acting on the DC voltage source above an internal consumption of the inverter at the predetermined frequency. The DC input voltage is measured while the grid disconnect switch is in the open position. | 05-27-2010 |
| 20100127577 | POWER FEED APPARATUS AND OPERATING METHOD - A solar module has a solar generator for generating electrical power, and an inverter for feeding the electrical power produced by the solar generator into a power supply system or to one or more loads. An input load is connected in parallel with the solar generator. A control apparatus controls the operation of the inverter such that it measures a difference voltage between the loaded and the unloaded solar generator, weights this difference voltage with a factor, and operates the inverter only when the weighted difference voltage corresponds at most to a threshold voltage. | 05-27-2010 |
| 20100141051 | DEVICE FOR CONVERTING AN ELECTROMAGNETIC WAVE INTO DC VOLTAGE - The invention relates to a device ( | 06-10-2010 |
| 20100141052 | System for powering devices from intraluminal pressure changes - A system for utilizing power extracted from intraluminal pressure changes may comprise: (a) an intraluminal generator; (b) an intraluminal pressure change-receiving structure operably coupled to the intraluminal generator; and (c) a power utilization device. | 06-10-2010 |
| 20100164302 | Method for operating a photovoltaic system and photovoltaic system for carrying out the method - A photovoltaic system having a plurality of photovoltaic modules producing electric energy and method for operating such photovoltaic system are disclosed. With the method, the photovoltaic modules are connected to a first DC motor having a motor shaft, and a generator shaft of a three-phase generator is coupled to the motor shaft. The three-phase generator can be connected to a power grid. The motor shaft of a second DC motor can be connected to the generator shaft, with only one of the two DC motors being initially driven with the electric energy produced by the photovoltaic modules. The electric energy is subsequently divided among both the first and the second DC motor. This process significantly shortens the startup process of the photovoltaic system compared to conventional systems. | 07-01-2010 |
| 20100176662 | Power supply apparatus - A power supply apparatus includes a power supply circuit and a module that has a replaceable or detachable structure. The power supply apparatus copes with an equipment that uses a single-phase A.C. power by connecting a single-phase power reception module to the power supply apparatus, and copes with an equipment that uses a three-phase A.C. power by connecting a three-phase power reception module to the power supply apparatus. | 07-15-2010 |
| 20100289344 | APPARATUS, SYSTEM AND METHOD FOR ELECTRIC POWER SUPPLY - The aim of the invention is to reduce the frequency change of a electric network in fault situations so that there is no need for protection operations during relatively short imbalances between electricity production and demand thereof. The aim is achieved by means of an apparatus, system and method for electric power supply according to main claims for directing electric power to the electric motor ( | 11-18-2010 |
| 20100295383 | ARCHITECTURE FOR POWER PLANT COMPRISING CLUSTERS OF POWER-GENERATION DEVICES - Various techniques are employed alone or in combination, to reduce the levelized cost of energy imposed by a power plant system. Solar energy concentrators in the form of inflated reflectors, focus light onto photovoltaic receivers. Multiple concentrators are grouped into a series-connected cluster that shares control circuitry and support structure. Individual concentrators are maintained at their maximum power point via balance controllers that control the flow of current that shunts this series connection. DC current from clusters is transmitted moderate distances to a centralized inverter. The inductance of transmission lines is maximized using an air-spaced twisted pair, enhancing the performance of boost-type three phase inverters. Cluster outputs are separate from individual inverters in massively interleaved arrays co-located at a central location. Step-up transformers convert inverter voltages to grid voltages, and small transformers provide isolation and voltage step-up only on receiver-to-receiver imbalance currents, typically <20% of the total current. | 11-25-2010 |
| 20100301681 | Device for High-Voltage Direct-Current Transmission - A device for high-voltage direct current transmission has a first converter unit and a second converter unit. The converter units are each connected to a main line and to a return line. Each converter unit is connected to a separate dedicated return line, and the return lines are connected to each other via a pole line. The pole line can be interrupted by a pole line interrupting unit. In this way, high variability in the operating modes is achieved, particularly for compensating for operational shut-offs. | 12-02-2010 |
| 20100327666 | POWER CONVERTER FOR USE WITH WIND GENERATOR - In one embodiment, the present invention includes a turbine to generate mechanical energy from kinetic energy, a generator coupled to the turbine to receive the mechanical energy and to output multiple isolated supply powers, and multiple power stages each coupled to the generator. Each of the power stages may receive at least one of the isolated supply powers. | 12-30-2010 |
| 20110031820 | RENEWABLE ENERGY TRANSMISSION, GENERATION, AND UTILIZATION DEVICE AND METHOD - The power generation and transmission device and method is able to be used to harness power such as solar and/or wind power and then transmit the power to a device on the other side of a physical structure such as a house, a car, a umbrella, a tent, and an awning. | 02-10-2011 |
| 20110062795 | INTEGRAL STACK COLUMNS - Systems and methods for power conversion are illustrated. Power conversion architecture for fuel cell systems in particular are described that use dual bus architectures having stack segment pairs and a center-tapped neutral line, and/or an architecture employing integer multiple of three DC/DC converter branches. | 03-17-2011 |
| 20110068637 | METHOD FOR MAXIMUM POWER POINT TRACKING OF PHOTOVOLTAIC CELLS BY POWER CONVERTERS AND POWER COMBINERS - This invention relates to a method for Maximum Power Point Tracking (MPPT) a photovoltaic cell by a power converter that provides an output current at voltages useful to operate electronics or charge batteries. | 03-24-2011 |
| 20110140547 | FUEL CELL SYSTEM AND ELECTRONIC DEVICE - A fuel cell system that is able to perform power generation more stably than in the past regardless of external environment is provided. Based on a temperature of a power generation section detected by a temperature detection section, a supply amount of a liquid fuel from a fuel pump is adjusted, and therefore control in which the temperature of the power generation section becomes constant is performed. In addition, a fuel cell system that is able to perform power generation in a vaporization supply type fuel cell more stably than in the past is provided. A level of a power generation voltage supplied from the power generation section is raised by a boost circuit. In a control section, operation of the boost circuit is controlled using a given control table, and therefore control is performed on an output voltage and an output current supplied from the boost circuit to a load. | 06-16-2011 |
| 20110169344 | UTILITY INTERCONNECTION AND INVERTER DEVICE - A utility interconnection inverter device ( | 07-14-2011 |
| 20110181128 | GRID-TIED POWER CONVERSION CIRCUITS AND RELATED TECHNIQUES - Circuit topologies and control methods for a power converter and are described. | 07-28-2011 |
| 20110221279 | WIDE INPUT VOLTAGE POWER SUPPLY - A ground power unit having a power supply unit capable of accepting a wide range of AC input voltages and producing one or more DC power signals for powering components of the GPU is disclosed. In one embodiment, the power supply unit includes a rectifier that converts an AC input power to a DC link power. The power supply unit includes a gate driving circuit that has a power MOSFET transistor which, under the control of a PWM controller, produces a switched DC signal. The DC link power and the output of the gate drive circuitry are provided to a transformer, which modulates the signals and produces a first DC output power signal that is load independent and a second DC output power signal that is load dependent. | 09-15-2011 |
| 20110221280 | SYSTEM AND METHOD FOR CONTROL OF A GRID CONNECTED POWER GENERATING SYSTEM - A power generating system includes an energy source coupled to a DC link through a first power converter and a second power converter to couple the DC link to a power grid. A first controller in the power generating system regulates voltage on the DC link and a second controller regulates a parameter of the energy source. A dynamic parsing controller coupled to the first power converter and the second power converter selectively parses the output signals of the first and second controllers and generates operating commands for the first and second power converters based at least in part on the parsed output signals. | 09-15-2011 |
| 20110221281 | METHOD FOR DETECTING CAPACITY LEAKAGE OF CAPACITOR IN POWER CONDITIONER, POWER CONDITIONER PERFORMING THE SAME, AND PHOTOVOLTAIC POWER SYSTEM PROVIDED WITH THE SAME - A photovoltaic power system continues or stops running according to a degree of a detected capacity leakage of a capacitor in a power conditioner of the system. The capacitor in the power conditioner performs power conversion of an output of a photovoltaic cell to output an output power to the system. A method for detecting the capacity leakage of the capacitor includes: detecting the capacity leakage based on a voltage deviation of a charge voltage between both ends of the capacitor of a detection target of the capacity leakage; suppressing the output power when the detected capacity leakage is a capacity leakage in which the running can be continued by the output power suppression; and stopping the photovoltaic power system provided with the power conditioner when the capacity leakage is a capacity leakage in which the running of the system cannot be continued even if the output power is suppressed. | 09-15-2011 |
| 20110298305 | SOLAR PHOTOVOLTAIC SYSTEMS - We describe a photovoltaic (PV) power generation system comprising at least two PV panels and a power conditioning unit. The dc power outputs of the PV panels are connected in parallel to a dc power input of the power conditioning unit. The power conditioning unit comprises a dc-to-dc converter having an input coupled to the dc power input and an output coupled to a dc link of the unit, a dc-to-ac converter having an input coupled to the dc link and an ac mains power supply output, and an energy storage capacitor coupled to the dc link. The power conditioning unit is configured to perform maximum power point tracking (MPPT) responsive to a level of power flowing into the dc power input, and the level of power flowing into said dc power input is sensed at the dc link. In preferred implementations the energy storage capacitor is a non-electrolytic capacitor. | 12-08-2011 |
| 20110298306 | POWER SUPPLY EQUIPMENT UTILIZING INTERCHANGEABLE TIPS TO PROVIDE A DATA SIGNAL AND POWER FROM AN ADAPTER TO VARIOUS ELECTRONIC DEVICES - Power supply equipment includes an adapter which converts power from a power source to DC power for powering an electronic device. The adapter further includes circuitry which produces a data signal for use by the electronic device to control power flow within the electronic device. A cable, which is electrically coupled to the adapter, has a connector at its distal end. The power supply equipment further includes a plurality of tips, each of which has an input connector, an output connector and at least three conductors. The input connector of each tip is detachable mateable to the connector on the distal end of the cable. The output connector of each tip is detachably mateable to a corresponding electronic device. The conductors transfer the DC power and the data signal from the input connector to the output connector. A tip output connector has a shape and size dependent on the shape and size of a power input opening of the electronic device to which the tip corresponds. Accordingly, selection of the appropriate tip allows the adapter to provide the data signal, as well as the DC power, to various electronic devices. | 12-08-2011 |
| 20120032532 | System for generating electrical power and method of operating the system - A system for generating electrical power is described. In at least one embodiment, the system includes a turbine that is mechanically connected to a generator, wherein the generator is electrically connected via a first converter to a load. The first converter generates a first output current. A second output current is generated by a second converter and is added to the first output current. The second output current is generated such that an actual current over the load follows a desired current. | 02-09-2012 |
| 20120062044 | Methods and Systems for Operating a Two-Stage Power Converter - A power conversion system for providing power to an electrical grid is described. The system includes a boost converter coupled to a photovoltaic (PV) array and configured to control a PV array voltage. The system also includes an inverter coupled to the boost converter by at least one conductor and configured to regulate a voltage drop across the at least one conductor. The system also includes a system controller configured to control operation of the boost converter and the inverter. | 03-15-2012 |
| 20120062045 | ELECTRIC ENERGY CONVERSION SYSTEM - This electric energy conversion system of the type including a main converter ( | 03-15-2012 |
| 20120181879 | Control of the distribution of electric power generated by a wind farm between an AC power transmission link and a DC power transmission link - A power distribution system for distributing electric power generated by a wind farm between an AC power transmission link and a DC power transmission link is provided. Both power transmission links connect the wind farm to a substation of a power grid. The power distribution system includes a central wind farm controller and a distribution device. In response to a control signal from the central wind farm controller, the distribution device distributes the generated electrical power between the two power transmission links. It is further described a power transmission system with the above described power distribution system and a method for distributing electric power between an AC power transmission link and a DC power transmission link. | 07-19-2012 |
| 20120194005 | POWER FLOW REGULATOR INCLUDING A PLURALITY OF DC-DC CONVERTERS - A power flow regulator includes a plurality of bi-directional DC-DC converters, each of said converters comprising a first input, a second input, a first output and a second output; and a capacitor electrically connected between the first and second inputs of each of said converters. Either the first output of each of said converters is electrically connected to a corresponding DC source and the second output of each of said converters is electrically connected to a common DC load, or the first output of each of said converters is electrically connected to a corresponding DC load and the second output of each of said converters is electrically connected to a common DC source. | 08-02-2012 |
| 20120212078 | POWER SUPPLY EQUIPMENT UTILIZING INTERCHANGEABLE TIPS TO PROVIDE POWER AND A POWER INDICATION SIGNAL TO AN ELECTRONIC DEVICE - Power supply equipment includes an adapter which converts power from a power source to DC power for powering an electronic device. The power supply equipment includes circuitry which produces a power indication signal for use by the electronic device to control power drawn by the electronic device. A cable, which is electrically coupled to the adapter, has a connector at its distal end. The power supply equipment further includes a tip which has an input connector and an output connector. The input connector of the tip is detachable mateable to the connector on the distal end of the cable. The output connector of the tip is detachably mateable to the electronic device. The tip output connector has a shape and size dependent on the shape and size of a power input opening of the electronic device. The tip provides the power indication signal, as well as the DC power, to the device. | 08-23-2012 |
| 20120228963 | METHOD AND SOLAR-POWERED WIND PLANT FOR PRODUCING ELECTRIC POWER - The invention relates to the field of producing electric power by artificially creating an air stream incident on a power-generating module (turbine) using solar-powered batteries. The power-generating module turns, compresses the air stream and directs the latter onto the working surface of a blade-less rotor. The rotor is designed such that a reactive effect is created on the working surfaces thereof, which improves the turbine characteristics. In the proposed method for producing power, use is made of the kinetic and potential energy of the air stream, and also the moment of inertia of the installation and solar-powered batteries. The efficiency of the method reaches 50%, while traditional fuel is economized on and emissions of CO2 into the atmosphere are reduced. | 09-13-2012 |
| 20120248897 | POWER DISTRIBUTION SYSTEMS USING DISTRIBUTED CURRENT SENSING - A system includes a plurality of power conversion devices, for example, uninterruptible power supply (UPS) devices, having inputs coupled in common to a power input line and each including a control circuit configured to operate the power conversion device responsive to a current sense signal at a current sense input thereof. The system further includes a first current transformer having a primary winding inductively coupled to the power input line, a current sense line coupled in series with a secondary winding of the first current transformer and a plurality of second current transformers, each including a primary winding inductively coupled to the current sense line and including respective secondary windings coupled to respective ones of the current sense inputs. | 10-04-2012 |
| 20120293021 | Variable Power Energy Harvesting System - The disclosed invention provides examples of preferred embodiments including systems for harvesting energy from variable output energy harvesting apparatus. The systems include energy harvesting apparatus for providing energy input to a switched mode power supply and a control loop for dynamically adjusting energy harvesting apparatus input to the switched mode power supply, whereby system output power is substantially optimized to the practical. Exemplary embodiments of the invention include systems for harvesting energy using solar cells in boost, buck, and buck-boost configurations. | 11-22-2012 |
| 20120306292 | FUEL CELL SYSTEM - An FC voltage increasing converter includes a plurality of converter parts having reactors. Regarding the first of the plurality of converter parts provided with a thermistor, the output starts to be limited when the temperature detected by the thermistor reaches a limitation starting temperature, which is obtained based on a reference heat-resistant temperature, which is obtained by subtracting an error of the thermistor from a specification heat-resistant temperature of each of the reactors. Meanwhile, regarding the second, third and fourth of the plurality of converter parts not provided with thermistors, the outputs start to be limited when the temperature detected by the thermistor reaches a limitation starting temperature obtained based on an allowable temperature, which is obtained by subtracting a characteristic-variation temperature of the reactor from the reference heat-resistant temperature of the reactor. | 12-06-2012 |
| 20120319504 | CONTROL OF DYNAMIC BUS VOLTAGE IN AN INTERMEDIATE BUS ARCHITECTURE POWER SYSTEM - To reduce power loss in an intermediate bus architecture power system, embodiments of the present invention provide an intermediate bus converter which converts an input voltage to an intermediate bus voltage using a converting unit; receives a signal indicative of an output of a converting unit; determines an intermediate bus voltage to reduce power loss in dependence upon the signal indicative of an output of the converting unit; generates a control signal to control the converting unit to convert the input voltage to the determined intermediate bus voltage; and generates an intermediate bus voltage in dependence upon the control signal. | 12-20-2012 |
| 20130093262 | CONNECTOR MODULE AND PROCESSOR MODULE USING SAME - A connector module for providing power to a processor. The connector module includes a connector for accommodating the processor, an inverter, and a control chip. Both the converter and the control chip are set on the connector. The control chip is connected to the converter for converting an external power into at least one driving voltage adapted to the processor. | 04-18-2013 |
| 20130093263 | POWER SUPPLY EQUIPMENT PROVIDING A DATA SIGNAL, IDENTIFICATION INFORMATION AND POWER TO AN ELECTRONIC DEVICE - Power supply equipment includes an adapter to convert power from a power source to a DC power for powering an electronic device. The adapter includes circuitry for producing an analog data signal for use by the electronic device to control an amount of power drawn by the device. A cable has an output connector with a plurality of conductors to transfer the DC power and the analog data signal to the electronic device. The connector further includes circuitry to receive a data request from the electronic device and in response transmit a data output which identifies the power supply equipment to the electronic device. | 04-18-2013 |
| 20130099599 | Thermally Efficient Power Conversion Modules for Space Solar Power - A space solar power system that has sun-tracking curved reflectors, such as off-axis parabolic reflectors, a secondary reflector, and a power conversion module for converting the sunlight into microwave energy and transmit the energy to remote locations. The power conversion module can have a modular stepped conical shape, with additional radiator area configured in vertical sidewalls, horizontal radiator panels, or both. Hinged, fold-out units can house the microwave conversion electronics and the antenna for transmitting the microwave radiation to the remote ground station. | 04-25-2013 |
| 20130154395 | SOLAR INVERTER SYSTEM AND CONTROL METHOD THEREOF - A control method of a solar inverter system includes calculating total output power outputted by a first inverter and a second inverter; determining whether the total output power is less than a threshold value; and executing a corresponding operation according to a determination result. | 06-20-2013 |
| 20130175883 | Maximum Power Point Tracker Bypass - A circuit arrangement, includes output terminals that provide an output current and input terminals that receive a source current and a source voltage from a DC current source. A maximum power point tracker is coupled between the input terminals and the output terminals and a bypass circuit is coupled between the input terminals and the output terminals. The bypass circuit is configured to enter a bypass state dependent on the output current and dependent on the source current. The source current flows through the bypass circuit in the bypass state. | 07-11-2013 |
| 20130193775 | POWER CONVERTING APPARATUS AND PHOTOVOLTAIC MODULE - A power converting apparatus and a photovoltaic module are discussed. The power converting apparatus includes a converter including a tapped inductor and a first switch, the converter converting a level of an input direct current (DC) voltage and outputting the level-converted DC voltage, and an inverter including a plurality of switches, the inverter converting the level-converted DC voltage into an alternating current (AC) voltage. The inverter operates separately in a first switching mode where the inverter performs a switching operation at a first frequency for a first period of the converted AC voltage and a second switching mode where the inverter performs a switching operation at a second frequency for a second period of the converted AC voltage, the second frequency being lower than the first frequency. | 08-01-2013 |
| 20130200730 | Energy upload device - The Energy Uploader is a device using several components to achieve it's end result. The Energy Uploader operates in conjunction with any motor vehicles 12-volt dc charging system and works independently of the vehicles primary electrical system to produce 120-volt ac electrical energy that can be used or sold to the public utility power grid when the car is shut off. | 08-08-2013 |
| 20130221761 | ENERGY-HARVESTING CONVEYOR BELTS AND METHODS - Energy-harvesting and -storage devices in conveyor belts and methods for molding those devices integrally into modular belt links and for enhancing energy harvesting through resonance tuning. Piezoelectric materials, electro-active polymers, thermoelectric generators, RF receivers, photovoltaic devices, linear induction generators, and inductive transformer coupling are used to harvest energy to power belt on-board devices. | 08-29-2013 |
| 20130249322 | MULTILEVEL CONVERTER AND TOPOLOGY METHOD THEREOF - A multilevel converter includes at least one phase. Each phase of the multilevel converter includes a direct current (DC) link, a first circuit, a second circuit, and a phase capacitor. The DC link includes a first capacitor, a second capacitor, and a third capacitor situated between the first and second capacitors. The first circuit is electrically coupled to two terminals of the first capacitor. The second circuit is electrically coupled to two terminals of the second capacitor. The phase capacitor is electrically coupled between the first circuit and the second circuit. | 09-26-2013 |
| 20130285477 | WIRELESS POWER MECHANISMS FOR LAB-ON-A-CHIP DEVICES - Methods, devices and systems are provided for wirelessly powering and controlling a lab-on-a-chip device. Direct current (DC) and alternating current (AC) signals can be produced at the lab-on-a-chip device in a wireless manner. In some configurations, integrated RF components and optoelectronic components of the lab-on-a-chip device are used to collaboratively produce the DC and AC signals. In other configurations only optoelectronic components on the lab-on-a-chip system can produce the DC and/or AC signals in response to incident light. By modulating the incident light, AC signals of various frequencies and waveforms can be generated. The DC and AC signals can be used by additional integrated electronic circuits and by a microfluidic chip lactated on the lab-on-a-chip device to control the behavior of the bioparticles in the microfluidic device. | 10-31-2013 |
| 20130307352 | INVERTER APPARATUS AND SOLAR POWER GENERATION SYSTEM - An inverter apparatus comprising a first switch group that is connected to a DC power source and includes a first switch and a second switch connected in series; a capacitor that has one end thereof connected to a first connection point between the first switch and the second switch; a second switch group that is connected in parallel with the capacitor and includes a third switch and a fourth switch that are connected in series; a switch control section that controls an ON/OFF state of the first switch, the second switch, the third switch, and the fourth switch to convert DC voltage from the DC power source into AC voltage and output the AC voltage from a second connection point between the third switch and the fourth switch; and a smoothing circuit that is connected to the second connection point and normalizes a pulse waveform of the AC voltage. | 11-21-2013 |
| 20130320780 | ENERGY TRANSMISSION, GENERATION, AND UTILIZATION DEVICE AND METHOD - The power generation and transmission device and method is able to be used to harness power such as solar and/or wind power and then transmit the power to a device on the other side of a physical structure such as a house, a car, a umbrella, a tent, and an awning. | 12-05-2013 |
| 20130334898 | AC POWER SYSTEMS FOR POWERING CORDLESS POWER TOOLS - Alternating current power systems for powering cordless power tools are disclosed. An electrical power assembly comprises an alternating current to direct current (“AC/DC”) converter connected to a power interface adapter. The AC/DC converter receives alternating current through an electrical socket and generates direct current. A power interface adapter shaped similarly to the replacement battery packs is connected to the cordless power tools and feeds the direct current to the cordless tool. The AC/DC converter may be located within the power interface adapter or a wall-mountable electrical connector. | 12-19-2013 |
| 20140001887 | VIRTUAL POWER APPARATUS | 01-02-2014 |
| 20140021804 | Method and Device for Feeding Electrical Power into an Electrical Power Supply Network - A method for feeding electrical power into an electrical power supply network is described. A configuration for supplying electrical power in the form of DC voltage has been provided and it is connected to the power supply network through an inverter. An MPP tracker ( | 01-23-2014 |
| 20140054978 | ELECTRONIC DEVICE AND ELECTRONIC SYSTEM AND OPERATION METHODS THEREOF - An embodiment of the disclosure provides an electronic device including a power supply, an optical to electrical converter and a controller. The power supply outputs a first electric power. The optical to electrical converter receives an infrared light beam and converts the infrared light beam to a second electric power. The controller is coupled to the power supply and the optical to electrical converter. The controller operates in a first mode and a second mode. When the controller operates in the first mode, the controller is activated by the second electric power and after the controller is activated, the controller operates in the second mode and drives the power supply. Then, the controller receives the first electric power and stops receiving the first electric power for operation. | 02-27-2014 |
| 20140103743 | On-Board-Unit for Use in Vehicle Identification - A system and method for automatic identification and recording of vehicles passing a road user charging point or location. A system and method for powering an on-board-unit (OBU) that can be mounted in a vehicle by including an energy harvester capable of providing at least a part of the energy required to operate the on-board-unit. | 04-17-2014 |
| 20140103744 | CONVEYING ARRANGEMENT HAVING A DEVICE FOR GENERATING ELECTRIC CURRENT - A conveying arrangement includes a conveyor belt having a carrying-side cover plate and a running-side cover plate. The conveying arrangement further includes a drive drum, a reversing drum, carrying rollers and a carrying structure. The conveying arrangement forms a material-conveying upper strand (A) with a charging location for the conveyed goods and a lower strand (B). A device for generating current is provided at the charging location for the conveyed goods underneath the conveyor belt of the upper strand (A). The device includes an impact bearing having sliding properties for the running-side cover plate of the conveyor belt of the upper strand (A). A generator is operatively connected to the impact bearing and a supporting device is provided for the generator. The generator converts at least part of the impact energy of the conveyed goods into electric current. | 04-17-2014 |
| 20140159510 | SYSTEM FOR SUPPLYING AC POWER TO A DISPLAY VIA A LOW VOLTAGE CABLE - A system for supplying AC power to a display via a CAT7 or similar low voltage cable comprises a transmitter connected to an AC power outlet and generating DC voltage transmitted by the CAT7 cable to a receiver. The receiver converts the DC voltage to AC voltage and supplies AC power to the display. A limiting circuit limits power transmitted by the CAT7 cable to a predetermined wattage, depending on the feedback from the receiver, which insures safe operation of the system. Power from the display is disconnected if a pre-programmed power consumed by the display is exceeded or falls below a predetermined threshold. | 06-12-2014 |
| 20140175908 | METHOD OF REGULATING THE POWER OF AN ENERGY CONVERSION INSTALLATION AND ENERGY CONVERSION INSTALLATION DRIVEN BY SUCH A METHOD - This method makes it possible to regulate the power of an energy conversion installation ( | 06-26-2014 |
| 20140191594 | DC/DC CONVERTER FOR HYBRID SYSTEM - A DC/DC converter including a control unit configured to control a voltage variation mechanism, the voltage variation mechanism including a plurality of variable voltage regulator circuits each controlled by a switching signal. The variable voltage regulator circuits are grouped together in plural modules each controlled by a control signal sent by the control unit and the switching signals of the variable voltage regulator circuits of a same module are phase shifted in relation to each other, and the control signals of the modules are also phase shifted in relation to each other. | 07-10-2014 |
| 20140210282 | Anti-Islanding Detection for Three-Phase Distributed Generation - Wobbling the operating frequency of a phase-locked loop (PLL), preferably by adding a periodic variation is feedback gain or delay in reference signal phase allows the avoidance of any non-detection zone that might occur due to exact synchronization of the phase locked loop operating frequency with a reference signal. If the change in PLL operating frequency is periodic, it can be made of adequate speed variation to accommodate and time requirement for islanding detection or the like when a reference signal being tracked by the PLL is lost. Such wobbling of the PLL operating frequency is preferably achieved by addition a periodic variable gain in a feedback loop and/or adding a periodically varying phase delay in a reference signal and/or PLL output. | 07-31-2014 |
| 20140232207 | Core Module for Wireless Sensing System - A core module of wireless sensing system is provided for receiving, processing and delivering environmental information, inclusive of a RF front-end circuit, a power control circuit, an analog front-end detection circuit and a baseband signal processor. A SOC (System on Chip) may be designed by including an electronic tag antenna, an impedance variation circuit and a sensor to form the wireless sensing system with the combination of a remote reader, such that the core module may be applied for wirelessly sensing the environmental information, such as physiological information of human heartbeat response, to achieve the effect of compactness, power saving and error detection. | 08-21-2014 |
| 20140246927 | Renewable Energy Monitoring System - We describe a solar photovoltaic monitoring system for monitoring and controlling a solar photovoltaic inverter, comprising: a wireless transceiver coupled to a solar photovoltaic inverter, the inverter comprising a device monitor for monitoring and controlling the inverter, wherein the monitoring comprises generating monitoring data defining a status of the system and transmitting the data using the transceiver coupled to the inverter; a wireless repeater for receiving data from the inverter and retransmitting the data; a transceiver coupled to a gateway capable of communicating the retransmitted data received to a monitoring station, the gateway transmitting control data received from the monitoring station; wherein the repeater receives control data from the gateway and retransmits data to the inverter; and wherein the controlling in the inverter comprises receiving the retransmitted control data from the transceiver coupled to the inverter and controlling the inverter dependent on the data. | 09-04-2014 |
| 20140265641 | ZERO CURRENT SWITCHING WITH A SECONDARY ENERGY STORAGE CAPACITOR IN A SOLAR INVERTER - This disclosure provides devices and methods for efficiently converting a solar panel DC output to a desired AC or DC output. In one aspect, zero current switching is enabled via a resonant circuit load. In another aspect, switching losses are reduced via an inductor in series with a switch. In another aspect, a more reliable energy storage device may be used. | 09-18-2014 |
| 20140265642 | AUDIO PORT POWER GENERATION CIRCUIT AND AUXILIARY DEVICE - A power generation circuit and process for providing electrical power and data transfer by means of a module attached to the audio port of a mobile electronic device. Power and data may be exchanged with an auxiliary device, which may be a sensor or a data processing device. A description of several possible power generation circuits is provided, as well as a description of different sensors and data processing devices which may be attached to a power generation circuit. The power generation circuit is particularly designed to provide a low interference and low voltage ripple output with high total power availability and efficiency. | 09-18-2014 |
| 20140346897 | HIGH-VOLTAGE DC VOLTAGE UNIT AND METHOD FOR OPERATING A HIGH-VOLTAGE DC VOLTAGE UNIT - A high-voltage DC voltage unit with a first DC voltage apparatus providing a first high-voltage DC voltage between a first output connection and a second output connection of the DC voltage apparatus or can be fed with a first high-voltage DC voltage. A second DC voltage apparatus provides a second high-voltage DC voltage or can be fed with a second high-voltage DC voltage. A first DC voltage connection is coupled with the first output connection of the first DC voltage apparatus. A second DC voltage connection is coupled with the second output connection of the second DC voltage apparatus. A reference potential connection is coupled with the second output connection of the first DC voltage apparatus, with the first output connection of the second DC voltage apparatus and with an earth potential, the first and second high-voltage DC voltages realising a bipolar power supply. | 11-27-2014 |
| 20140346898 | JUNCTION BOX HAVING THE MPPT CONTROL FUNCTION THAT IS INDIVIDUALLY EMBEDDED IN A SOLAR CELL MODULE, AND METHOD FOR DRIVING SAME - Disclosed is a junction box which includes voltage and current sensors that are connected to both ends of bypass diodes provided within the junction box to sense currents and voltages of the solar cell module; a MPPT controller that tracks a maximum power point from current and voltage values sensed from the voltage and current sensors; and a voltage controller that includes a switch for controlling an operation of the solar cell module, and controls a voltage corresponding to the tracked maximum power point to be output. | 11-27-2014 |
| 20140361640 | ELECTRIC POWER TRANSMISSION SYSTEM - An electric power transmission system includes an electrical-optical conversion device and multiple photoelectric conversion devices converting electricity to light. The electrical-optical conversion device includes a high-voltage source, a laser diode unit, a light combiner, and multiple optical fibers. The laser diodes receive the high-voltage source. The light combiner includes multiple first input ends and multiple first output ends. A first optical fiber interconnects a laser diode and a first input end. An end of a third optical fiber optically connects to a first output end. Each photoelectric conversion device includes a second light splitter, further optical fibers, and a photodiode unit. The second light splitter includes a third input end and a plurality of third output ends. The third input end optically connects to another end of a third optical fiber. A fourth optical fiber optically interconnects a third output end and a photodiode. | 12-11-2014 |
| 20150022026 | POWER QUALITY DIFFERENTIATION IN HAZARD DETECTION SYSTEMS - Hazard detection systems according to embodiments described herein are operative to provide failsafe safety detection features and user interface features using circuit topology and power budgeting methods that minimize power consumption. The safety detection features can monitor environmental conditions (e.g., smoke, heat, humidity, carbon monoxide, carbon dioxide, radon, and other noxious gasses) in the vicinity of the hazard detection system associated and alarm occupants when an environmental condition exceeds a predetermined threshold. | 01-22-2015 |
| 20150069859 | PHOTOVOLTAIC INVERTER - A photovoltaic inverter includes: an input unit to connected to a first terminal and a second terminal to which a positive (+) polarity or a negative (−) polarity of a photovoltaic module are connected; a switching device configured to control the first terminal and the second terminal connected to the input unit according to pre-set polarities of an inverter unit; a booster unit configured to boost a voltage of the photovoltaic module delivered form the input unit through the switching device; a capacitor configured to charge the voltage boosted by the booster unit; and an inverter unit configured to convert the voltage charged in the capacitor into an alternating current (AC) and provide the converted AC voltage for an electric power system. | 03-12-2015 |
| 20150076927 | WIRELESS POWER SUPPLY FOR RESCUE DEVICES - The present disclosure may provide an electric transmitter which may he used to provide wireless power transmission (WPT) while using suitable WPT techniques such as pocket-forming. Transmitter may operate as power source for rescue devices where wired power sources are not feasible because local infrastructure may be damaged or destroyed. In some embodiments, transmitters may include one or more antennas connected to at least one radio frequency integrated circuit (RFIC) and one microcontroller. In other embodiments, transmitters may include a plurality of antennas, a plurality of RFIC or a plurality of controllers. In addition, transmitters may include communications components which may allow for communication to various electronic equipment including phones, computers, GPS and others. | 03-19-2015 |
| 20150123496 | WIRELESS POWERED HOUSE - The present disclosure may provide wireless power system used in a wireless powered house for providing power and charge to a plurality of mobile and non-mobile devices. Wireless powered house may include a single base station which may be connected to several transmitters, the base station may manage operation of every transmitter in an independently manner or may operate them as a single transmitter. Wireless powered house may include a variety of protocols for powering devices; such protocols may be customized by the user. | 05-07-2015 |
| 20160172852 | ENERGY-HARVESTING DEVICE | 06-16-2016 |
| 20190149041 | SWITCHED CAPACITOR DC-DC CONVERTER COMPRISING EXTERNAL AND INTERNAL FLYING CAPACITORS | 05-16-2019 |
