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US20130200829 POWER SUPPLY APPARATUS OF HOME APPLIANCE  
A power supply apparatus of a home appliance which meets standby power regulation of 0.5 watts using one SMPS. As compared with a general circuit which meets the standby power regulation using two...
US20110134667 REDUNDANT CONTROL METHOD FOR A POLYPHASE CONVERTER WITH DISTRIBUTED ENERGY STORES  
The invention relates to a method for controlling a converter having at least two phase modules (100) that comprise an upper and a lower valve branch (T1, . . . , T6), each of which is equipped...
US20110286253 Three-phase inverter circuit and method for operating a three-phase inverter circuit  
A three-phase inverter circuit includes an inverter comprising a plurality of controllable power switches, and an electronic control device adapted to control the power switches. The control device...
US20120087163 POWER SUPPLY APPARATUS  
A relay contact is connected between positive power supply input terminals of first and second inverters, and a relay contact is connected between negative power supply input terminals of the...
US20130051103 METHOD OF CONTROLLING AN INVERTER AND A CONTROLLER FOR CONTROLLING AN INVERTER  
A method of controlling an inverter for converting a DC input to an AC output, the method including measuring a voltage of an AC output produced by the inverter; determining a drive voltage for...
US20110310641 METHOD OF UPGRADING A PLANT FOR TRANSMITTING ELECTRIC POWER AND SUCH A PLANT  
A plant for transmitting electric power through HVDC includes two converter stations interconnected by a monopolar direct voltage network and each having an alternating voltage side for feeding...
US20120063175 COMPENSATION CIRCUIT AND METHOD FOR A SYNCHRONOUS RECTIFIER DRIVER  
Provided are circuits and methods for driving the synchronous rectifier (SR) of a power converter. A non-linear voltage sense compensator is applied across the drain and source of the SR, and a...
US20140223949 CONTROL DEVICE FOR SWITCHING POWER SUPPLY CIRCUIT, AND HEAT PUMP UNIT  
A mode controller shifts, along with increase in an electric power in first and second of chopper circuits and, operation modes of the first and the second of the chopper circuits from a first mode...
US20120155119 POWER CONVERTER INTEGRATED WITH FLYBACK CONVERTER  
There is provided a power converter integrated with an auxiliary converter. The power converter includes: a flyback converter converting an input power of a power supply input terminal into a...
US20130147273 RESONANT POWER MANAGEMENT ARCHITECTURES  
Disclosed are various embodiments of resonant power management of a mobile device. In one embodiment, a mobile device including a power management unit (PMU) including a resonant inverter, a...
US20140226365 METHOD FOR CHECKING A SEPARATION POINT BETWEEN A PHOTOVOLTAIC INVERTER AND POWER SUPPLY NETWORK AND PHOTOVOLTAIC INVERTER  
The invention relates to a method for checking a separation point (14) between a photovoltaic inverter (1) and a power supply network (7) having multiple phases (L1, L2, L3) and a neutral conductor...
US20100091529 ELECTRICAL ENERGY CONVERTER  
An electrical energy converter (100) arranged to be connected to at least one source of electrical energy (114, 116) and to condition the energy generated by that source to be suitable for feeding...
US20110103103 POWER SUPPLY WITH LOW POWER CONSUMPTION HICCUP STANDBY OPERATION  
A power supply including a converter, a capacitance, and a hiccup control module. The converter converts an input voltage to both an output voltage and a preliminary standby voltage when in its...
US20110075446 Circuit for Converting a Pulsed Input Voltage to a DC Voltage  
The present disclosure presents a circuit for converting a pulsed input voltage to a DC output voltage. The circuit comprises input nodes for receiving the pulsed input voltage and output nodes for...
US20110273016 DISTRIBUTED POWER HARVESTING SYSTEMS USING DC POWER SOURCES  
A method for maintaining reliability of a distributed power system including a power converter having input terminals and output terminals. Input power is received at the input terminals. The input...
US20110141776 Power Supply with Output Overcurrent Detection and Error Latch Protection  
A power supply employs an error detecting circuit to output an error signal when detecting an overvoltage or overcurrent occurred in one of output powers and employs a latch trigger circuit to...
US20130308356 INPUT RELAY ARCHITECTURE FOR RECTIFYING POWER CONVERTERS AND SUITABLE FOR AC OR DC SOURCE POWER  
Power converter circuitry for converting power from a power source of any one of a number of power source types, and in which arcing at relays in the event of a shutdown is avoided. A shunt circuit...
US20110292687 High Voltage Capacitive Power Transformer  
A high voltage transformer for transforming electric power from a high voltage direct current source to a lower voltage direct current or to a lower voltage alternating current, without...
US20120057385 POWER CONTROL CIRCUIT  
This invention relates to a power control circuit, and, an inventive PWM controller, switching circuit, high voltage discharge circuit and magnetic amplifier are also introduced and used to...
US20120161523 PHOTOVOLTAIC POWER GENERATION SYSTEM  
A photovoltaic power generation system is disclosed, which can allow a user to easily acquire information on a photovoltaic inverter, easily control the photovoltaic inverter, and save electric...
US20130128635 METHOD FOR OPERATING A CONVERTER AND A SWITCHING CELL AND A CONVERTER  
Exemplary embodiments are directed to a method for operating a converter, wherein the converter includes a plurality of bridge branches having one or more switching cells connected in series. Each...
US20110157944 TEMPERATURE MONITORING FOR CIRCUIT BREAKERS  
Method for detecting and/or monitoring the temperatures of at least two electronic power switches, in particular semi-conductor power switches that are coupled with or arranged on a common cooling...
US20110026277 DRIVING CIRCUIT  
A driving circuit for an opto-coupler comprising a switched mode regulator configured to convert a first voltage to a second voltage, the switched mode regulator operable in accordance with a...
US20110291486 METHOD FOR DISTRIBUTED POWER HARVESTING USING DC POWER SOURCES  
A system and method for combining power from DC power sources. Each power source is coupled to a converter. Each converter converts input power to output power by monitoring and maintaining the...
US20110280047 Switching power adaptor circuit  
An improved structure for a switching power adaptor circuit, primarily providing a switching power adaptor circuit for a RCC (Ringing Choke Converter) system, in which a control circuit is mainly...
US20110280050 POWER CONVERTER  
The invention refers to a power converter and to a method for power conversion. The power converter includes a primary winding adapted to receive a primary alternating voltage. The converter...
US20110292692 OPTO-COUPLED SENSING  
The present invention provides an isolated regulating power converter with opto-coupled feedback of output (Vo) with respect to a reference level (Vset) for regulation to a converter controller....
US20110179291 POWER ADAPTOR DETECTION SYSTEM  
A power adaptor detection system includes a power adaptor device configured to receive electrical power at a first voltage and to convert the electrical power to a second voltage. The second...
US20130044524 PROTECTION CIRCUIT IN TRIAC APPLICATIONS  
Aspects of the disclosure provide a circuit. The circuit includes a transistor configured to control energy entering the circuit from a power supply, a capacitor coupled with the transistor to...
US20130141950 POWER CONVERTER AND INTEGRATED DC CHOKE THEREFOR  
A power conversion system and a DC link choke therefore are presented, in which a continuous core structure is provided with first and second legs around which four or more windings are located,...
US20130010504 POWER CONVERTER AND INTEGRATED DC CHOKE THEREFOR  
A power conversion system and a DC link choke therefore are presented, in which a continuous core structure is provided with first and second legs around which four or more windings are located,...
US20110051462 POWER FACTOR IMPROVEMENT CIRCUIT  
An over-voltage protection circuit of the invention is connected with a DC-DC converter having a structure in which a plurality of switching elements is serially connected to a direct current...
US20140198547 MULTILEVEL INVERTER  
There is provided a multilevel inverter capable of easily perform balancing of voltages by way of controlling switching of voltage dividing based on an offset between voltages divided by capacitors...
US20090052134 LIQUID-COOLED GROUNDED HEATSINK FOR DIODE RECTIFIER SYSTEM  
A diode rectifier system for generator excitation includes a plurality of diode modules mounted on a heatsink and a coolant tube provided in the heatsink. The heatsink is electrically grounded. A...
US20110182092 AN INVERTER WITH SHORT CIRCUIT PROTECTION  
An inverter has a current sensor that senses a low side current before a high side of the inverter is permitted to power up. If an over-current situation is detected on the low side, powering up is...
US20120163044 MULTILEVEL POWER CONVERTER OR INVERTER ARRANGEMENT USING H BRIDGES  
Multilevel voltage arrangement having a transformer and a power converter or inverter comprising one or more common DC links connectable to a power source, said arrangement comprising one first set...
US20060233000 Power converter motor drive btb system and system linking inverter system  
The invention provides a bidirectional power converter, that can be connected directly to an AC system without interposing a transformer, that is small in size, light in weight, inexpensive to...
US20130155727 ISOLATED SWITCHED MODE POWER SUPPLY  
An isolated switched mode power supply comprises a transformer, with primary and secondary windings, and a rectification network connected to the secondary winding. The rectification network and...
US20090279338 CYCLOCONVERTER GENERATOR  
In a cycloconverter generator, there are provided, q number of power circuits that supply rectified DC power of a DC power supply unit as operating power to the p (p>q) number of thyristors, and r...
US20130163292 MID-POINT VOLTAGE CONTROL  
A midpoint voltage control system includes a power source, a generator coupled to the power source, a midpoint voltage controller coupled to the back-to-back converter configuration, a generator...
US20120127763 ELECTRIC POWER SUPPLY SYSTEM COMPRISING POWER MODULES COUPLED IN PARALLEL  
The present invention relates to an electric power supply system comprising at least two power modules coupled in parallel and comprising a first power module comprising a first control means...
US20140152208 POWER FACTOR CORRECTION DEVICE, POWER SUPPLY, AND MOTOR DRIVER  
There is provided a power factor correction device including, a first switch switching input power to adjust a phase difference between a current and a voltage of the input power, a second switch...
US20120314459 FEEDBACK CIRCUIT AND POWER SUPPLY DEVICE INCLUDING THE SAME  
Disclosed are a feedback circuit and a power supply device including the same. The power supply device converts input voltage into output voltage suitable for load condition according to a...
US20130091872 BUCK-BOOST RECTIFIER, REFRIGERATION SYSTEM INCLUDING A BUCK-BOOST RECTIFIER, AND METHOD OF PROVIDING POWER TO A REFRIGERATION UNIT VIA A BUCK-BOOST RECTIFIER  
A buck/boost rectifier. The rectifier is connectable to an alternating current power source and includes an upper bus, a lower bus, an upper rectifier, a lower rectifier, a pulse-width-modulation...
US20130107581 VOLTAGE CONVERTER  
A voltage converter (1a . . . 1g), in particular a resonant converter for converting an input AC or DC voltage (UE) into an output DC voltage (UA). On the secondary side, a first secondary...
US20100315839 ENERGY RECOVERY SNUBBER CIRCUIT FOR POWER CONVERTERS  
An energy recovery snubber circuit for use in switching power converters. The power converters may include a switch network coupled to a primary winding of an isolation transformer, and...
US20140104896 REGENERATIVE VOLTAGE DOUBLER RECTIFIER, VOLTAGE SAG/SWELL CORRECTION APPARATUS AND OPERATING METHODS  
Single and multiphase regenerative voltage doubler rectifiers, sag/swell corrector apparatus, and operating methods are presented in which rectifier switching devices are selectively pulse width...
US20090207638 Gadgets generators  
This invention boost the original power source to help or cut down the usage of public Power sources.
US20120114009 FORWARD-FLYBACK POWER SUPPLY USING AN INDUCTOR IN THE TRANSFORMER PRIMARY AND METHOD OF USING SAME  
A power supply (300) includes a rectification means (303) for providing a voltage from an AC mains input (301). An inverter (307) is used for supplying a switched AC voltage at high frequency from...
US20130201726 RESONANT POWER CONVERTER HAVING SWITCHED SERIES TRANSFORMER  
A multi-transformer LLC (resonant) power converter having at least two transformers including a first T1 and a second transformer T2 in series includes a switch network configured for receiving...