Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
12/2006
12/14/2006US20060279968 DC/AC converter circuit and DC/AC conversion method
12/14/2006DE4405239B4 Verfahren und Vorrichtung zum Schutz von abschaltbaren Leistungshalbleitern eines Schwingkreisumrichters vor harten Schaltvorgängen Method and apparatus for the protection of turn-off power semiconductors of a Schwingkreisumrichters from hard switching operations
12/13/2006EP1732203A1 Power output device and vehicle using the same
12/13/2006EP1730836A2 Instantaneous power floating frame controller
12/13/2006EP1440611B1 Modular converter unit
12/13/2006CN2847691Y Permanent magnet controllable constant voltage generator
12/13/2006CN2847684Y Energy saving type AC voltage stabilizer
12/13/2006CN2847683Y Power source processing circuit
12/13/2006CN2847682Y Digital circuit power source
12/13/2006CN2847681Y Control circuit for electric tool two-purpose power source
12/13/2006CN2847673Y Professional power amplifying switch power source module
12/13/2006CN1878685A Electric vehicle controller
12/13/2006CN1877978A 可控同步整流器 Controlled synchronous rectifier
12/13/2006CN1877975A Selective harmonic elimination optimization method for tri-level single-phase-bridge inverter
12/13/2006CN1877974A High current switching circuit for a motor drive three phase inverter for mobile equipment
12/13/2006CN1877960A Current converter parallel system and control method therefor
12/13/2006CN1290251C Switch power supply no-load control circuit
12/13/2006CN1290250C Power factor compensation device for motor driving inverter system
12/13/2006CN1289249C Power supply of short-circuit arc-welding and automatic soldering machine using the power supply
12/13/2006CN1289248C Method for regulating and/or controlling a welding current source with a resonance circuit
12/12/2006US7149096 Power converter with interleaved topology
12/12/2006US7149064 Multiphase reduced voltage starter with bypass relays, interphase electrical isolation and shared thermal mass
12/12/2006US7148734 Analog level shifter
12/12/2006US7148659 Programmable AC/DC power supply
12/12/2006US7148651 Apparatus and method for controlling AC motor and module therefor
12/12/2006US7148586 Sine wave generation circuit and uninterruptible power supply system using the same
12/12/2006CA2333671C Circuit for power-factor correction
12/07/2006WO2006129421A1 Three level power converter
12/07/2006WO2005111484A3 Electric control and supply system
12/07/2006US20060274561 Tri-level inverter
12/07/2006US20060274560 Variable-Frequency Drive with Regeneration Capability
12/07/2006US20060273765 Controller for a permanent magnet generator and a generator in combination with such a controller
12/06/2006EP0888667B1 Circuit arrangement
12/06/2006CN2845393Y Backlight mould and current converter
12/06/2006CN2845273Y Contact screen style program controlled phase controlling D.C.power source device
12/06/2006CN1875660A Method for operating converter circuit
12/06/2006CN1874133A Full wave bridge type circuit of synchronous rectification
12/06/2006CN1874124A Electrical source provider capable of sensing voltage and current to be adjusted, and method
12/06/2006CN1288830C Single-stage converter of inverter for LCD backlight
12/05/2006US7145786 Point of load sine amplitude converters and methods
12/05/2006US7145281 Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel
12/05/2006US7145268 Fault-tolerant three-level inverter
11/2006
11/30/2006WO2006127101A1 Electronic battery module with biodirectional dc-dc converter
11/30/2006WO2006125410A1 Bi-directional battery power inverter
11/30/2006WO2006125409A2 Power inverter
11/30/2006WO2006087275A3 Power supply unit for generating a low direct current voltage
11/30/2006US20060268588 Circuit configuration with error detection for the actuation of power semiconductor switches and associated method
11/30/2006US20060267671 Charge pump circuit for high side drive circuit and driver driving voltage circuit
11/30/2006US20060267410 Uninterruptible power system
11/30/2006DE102005024465A1 Circuit arrangement for transforming direct current into alternating current or alternating current into direct current, has switch circuit with switch units that are switchably controlled, and control unit arranged to control circuit
11/29/2006EP1727265A1 Dc-dc converter
11/29/2006EP1726086A1 Universal power supply apparatus
11/29/2006EP1726022A1 High-voltage generator
11/29/2006CN2842869Y Constant voltage-current charging circuit
11/29/2006CN2842868Y Semiconductor electricity saving device
11/29/2006CN2842867Y Switch power Supply
11/29/2006CN1870412A Non-isolation DC/AC inverter
11/29/2006CN1870411A Apparatus and method for controlling inverter
11/29/2006CN1870404A AC/DC converter capable of suppressing harmonic
11/29/2006CN1870403A 电子变压器 Electronic Transformer
11/29/2006CN1870402A Circuit for controlling semiconductor power switches with error detection and method thereof
11/29/2006CN1870401A Circuit configuration with error feedback for the actuation of power semiconductor switches and associated method
11/29/2006CN1870366A Power supply device for cathode-anode of overflow laser and method for power supplying to cathod-anode of multi-channel laser using the device
11/29/2006CN1287511C System and method for controlling wait power
11/29/2006CN1287510C Flyback type conversion device having synchronous rectifier
11/28/2006US7142437 Method and apparatus for output voltage regulation in primary control switched mode power supplies
11/28/2006US7142434 Vehicle drive module having improved EMI shielding
11/28/2006US7142202 Driving circuit and display device
11/28/2006US7141937 High-pressure discharge lamp operation device and illumination appliance having the same
11/28/2006US7141935 Inverter circuit for surface light source system
11/28/2006US7141741 Circuit board
11/23/2006WO2006124094A2 Apparatus, and associated method, for converting electrical power into form for powering a load device
11/23/2006US20060262581 Full-bridge soft switching inverter and driving method thereof
11/23/2006US20060262579 Power converter, method thereof and system incorporating the same
11/23/2006US20060262576 AC-DC converters
11/23/2006US20060261748 Discharge lamp ballast apparatus
11/23/2006US20060261463 Low cost power semiconductor module without substrate
11/23/2006DE19539557B4 Verfahren zur Regelung eines Netzstromrichters mit Spannungszwischenkreis Method for controlling a power converter with voltage link
11/23/2006DE102005023291A1 Wechselrichter Inverter
11/23/2006DE102005023290A1 Bidirektionaler Batteriewechselrichter Bidirectional battery inverter
11/22/2006EP1724913A2 A controller for permanent magnet generator and a generator in combination with such a controller
11/22/2006EP1724911A2 Brushless motor system
11/22/2006EP1723715A1 Variable speed drive for multiple loads
11/22/2006EP1723712A1 Multi-mode uninterruptible power supplies and methods of operation thereof
11/22/2006EP1466398B1 Power inverter
11/22/2006EP1454405B1 Controlled frequency power factor correction circuit and method
11/22/2006EP1298780B1 X-ray generator and x-ray ct apparatus comprising the same
11/22/2006EP0929926B1 Method and apparatus for supplying contactless power
11/22/2006CN2840510Y Switch electric source
11/22/2006CN2840501Y Pipe bundle plate combined rectifier
11/22/2006CN2840057Y AC data sampling circuit
11/22/2006CN1868111A Fan controller, refrigeration cycle system and method for estimating rotation speed of fan
11/22/2006CN1868110A 功率变换器 Power converter
11/22/2006CN1866719A Grid-connected inverter current control method employing inductance current weighted average value to feed back
11/22/2006CN1866718A Full-bridge soft switching inverter and driving method thereof
11/22/2006CN1866717A 变换器装置 Converter device
11/22/2006CN1866715A Bridge arm soft switch circuit and control method and application system thereof
11/22/2006CN1866714A Precise rectification circuit
11/22/2006CN1286264C Frequency converter and drive for electric motor
11/22/2006CN1286260C Synchronous rectified drive circuit of reversed excitation circuit