Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094)
07/2007
07/10/2007CA2472234C Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise
07/05/2007WO2007074710A1 Power conversion device and power conversion system
07/05/2007US20070153561 Multiple antenna energy harvesting
07/05/2007US20070153560 Portable chargers for use with electric vehicles
07/05/2007US20070153555 Low-harmonics, polyphase converter circuit
07/04/2007CN2919679Y Mulriple rectifier equipment consisting of twelve commutating pulses
07/04/2007CN2919678Y Energy-saving type high-power variable-frequency power supply of electronic magnesium-melting furnace
07/04/2007CN2919677Y Intelligent electricity saving device
07/04/2007CN2919593Y Multi-functional power supply socket
07/04/2007CN2919331Y High-efficiency power concentrated energy-saving device
07/04/2007CN1992497A Main transformer line-side and valve-side cascade voltage regulating rectification circuit
07/04/2007CN1992496A Control structure of double-fed AC-DC-AC converter for wind power generation
06/2007
06/27/2007CN2917084Y Wireless voltage difference, high-capacity phase-shifting contact voltage regulator
06/27/2007CN2917081Y Anti-interference electric control cabinet for coal feeder
06/27/2007CN2915348Y Electric welding machine with input voltage self-adaptive circuit
06/27/2007CN1989688A Method for operating a two-phase rotary current controller
06/27/2007CN1989685A Traction converter having a line-side four-quadrant controller
06/27/2007CN1988370A Synchronous detection circuit for frequency changing air conditioner digital voltage lifting PFC circuit
06/27/2007CN1988354A Cascade multiple zero matrix rectifier
06/27/2007CN1988353A Cascade multiple indirect matrix converter
06/27/2007CN1988352A Three phase voltage symmetric output converter
06/27/2007CN1988351A Cascade multiple zero matrix converter
06/27/2007CN1988348A PWM combined three level DC converter for zero voltage current switch
06/27/2007CN1988338A Medium power low voltage frequency converter based on insulation grating bipolar transistor
06/27/2007CN1988305A Method in frequency converter, and frequency converter
06/27/2007CN1323484C Matrix converter for converting electric energy
06/26/2007US7235891 Power system having generator driven by engine
06/21/2007WO2007068532A1 Converter system comprising converter modules that can be plugged together
06/21/2007WO2007068040A1 A universal dimmer
06/21/2007US20070139979 Pressure-contact type rectifier
06/21/2007US20070139978 Current supply circuit, polyphase drive circuit, method of designing current supply circuit
06/21/2007US20070139022 Method and apparatus for detecting input voltage of pwm cycloconverter
06/21/2007DE102006016392A1 Elektronikschaltung zum Schalten/Dimmen von Wechselströmen unter Einsatz eines Triacs Electronic circuit for switching / dimming of alternating currents using a triac
06/21/2007DE102005060354A1 Modulares Umrichtersystem Modular Converter
06/20/2007EP1798857A1 Electronic circuit for switching/dimming alternating currents with a Triac
06/20/2007CN2914486Y Controlled silicon series arrangement of high voltage soft start machine
06/20/2007CN2914483Y Improved high voltage transducer
06/20/2007CN1985435A Quenching device for a feeding converter bridge
06/20/2007CN1985434A Quenching device for a converter bridge of reverse feeding
06/20/2007CN1985430A Method for controlling an electronic power converter that is connected to a direct-current source
06/20/2007CN1985429A Frequency converter having an intermediate circuit without any capacitors
06/20/2007CN1983784A Power unit and high-voltage frequency converter with contactor bypass function
06/14/2007US20070133230 Multiphase Voltage Sources Driven AC_LED
06/14/2007DE202007000127U1 Steuerungseinrichtung für eine Wechselspannungsquelle Control device for an AC power source
06/13/2007EP1796255A1 Air conditioner
06/13/2007EP1796254A2 Power converter system and method
06/13/2007EP1794874A1 Bipolar power supply with lossless snubber
06/13/2007EP1671521A4 A current sharing scheme and device for multiple ccf lamp operation
06/13/2007CN2912102Y High voltage electricity saving apparatus
06/13/2007CN2912101Y Controller of a.c. power source
06/13/2007CN2912021Y Energy saving prefabricating transformer substation
06/13/2007CN1981564A Dimming device
06/13/2007CN1981425A Apparatus and methods for regulating delivery of electrical energy
06/13/2007CN1980043A Brush-free dc. motor inverter control method
06/13/2007CN1980032A AC. power-supply socket bleeder circuit
06/12/2007US7230838 Active damping control for a switch mode power supply
06/12/2007US7230354 Driver system for MOSFET based, high voltage, electronic relays for AC power switching and inductive loads
06/07/2007WO2006105247A3 Bridgeless boost converter with pfc circuit
06/07/2007WO2006005060A8 Energy recovery system
06/06/2007DE102005056700A1 Verfahren zum Versorgen von elektrischen Schiffs-Bordnetzen mit Fremdenergie Method for supplying electric marine electrical systems with external energy
06/06/2007DE102005056699A1 Universal shore connection ship has converter which is installed onboard ship and connected to shore-side power supply line by switched electrical line
06/06/2007DE10019696B4 Schaltung zur Verringerung von Störstrahlung in Motorspeiseschaltungsanwendungen Circuit for reducing interference in motor supply circuit applications
06/06/2007CN2909782Y Atmosphere glow discharge circuitof regulating pulse density
06/06/2007CN2909688Y Low harmonic AC frequency conversion equipment
06/06/2007CN2909685Y Remote control power supply pivot
06/06/2007CN1976194A 功率调节器 Power regulator
06/06/2007CN1320744C Motor driving apparatus
06/05/2007US7227323 Motor driving apparatus
06/05/2007US7227273 High frequency bus method
06/05/2007CA2314782C Multi-mode power converters incorporating balancer circuits and methods of operation thereof
05/2007
05/31/2007US20070121348 Converter circuit with two converter elements
05/31/2007US20070120607 Active filter for reduction of common mode current
05/31/2007US20070120521 Apparatus for power control by phase gating and a method for harmonic reduction
05/31/2007US20070120441 Piezoelectric transformer driving apparatus and piezoelectric transformer driving method
05/30/2007EP1791246A2 Frequency converter assembly and method of using frequency converter assembly
05/30/2007CN2907064Y 直线电机 LIM
05/30/2007CN1973424A 低谐波多相转换器电路 Low harmonic multiphase converter circuit
05/30/2007CN1319268C Inverter controller for driving motor and air conditioner using the same
05/24/2007WO2007037105A3 Ac voltage output apparatus and hybrid vehicle including the same
05/24/2007US20070115701 Electric power converter
05/23/2007EP1788697A1 Power-factor correction device for variable speed drive
05/23/2007EP1214771B1 Voltage balancing in intermediate circuit capacitors
05/23/2007CN2904561Y Roadlamp electricity saver and roadlamp system
05/23/2007CN2904467Y Safety coupler circuit for mine
05/23/2007CN2904465Y Main circuit topology for double way power supply integrated power
05/23/2007CN2904464Y Single three phase power converter based on thyristor control reactor
05/23/2007CN2904463Y AC power regulating switch
05/23/2007CN2904462Y Voltage regulating energy-saving power special for oil pumping unit
05/23/2007CN1967994A Two-way AC chopper
05/23/2007CN1967993A Double buck/boost two-way AC chopper
05/23/2007CN1317814C Control power supply device for electroplating
05/23/2007CN1317812C Matrix converter for converting electric energy
05/23/2007CN1317810C Frequency conversion electrical motor
05/22/2007US7221121 Frequency converter for different mains voltages
05/22/2007US7221106 Cordset based appliance controller
05/22/2007CA2358916C Transformerless power supply, dual positive or dual negative supplies
05/18/2007WO2007056140A2 Current transformer and electric energy meter
05/18/2007WO2007054729A1 Power converters
05/18/2007WO2006013557A3 Method and control circuitry for improved-performance switch-mode converters
05/18/2007CA2629179A1 Power converters
1 ... 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 ... 131