H02M 1 - Details of apparatus for conversion

Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2002
11/21/2002	US20020171294 Voltage fluctuation compensating apparatus
11/20/2002	EP1258076A1 Switching power supply with storage capacitance and power regulation
11/20/2002	CN2521821Y Power-factor modifying regulator
11/19/2002	US6483730 Power converters with AC and DC operating modes and methods of operation thereof
11/19/2002	US6483726 Auxiliary output voltage control circuit of flyback power converter with a magnetic amplifier
11/19/2002	US6483724 DC/DC ZVS full bridge converter power supply method and apparatus
11/19/2002	US6483723 Switching power supply
11/19/2002	US6483722 DC/DC converter and control method thereof
11/14/2002	WO2002075779A3 Power supply with a reduced harmonic load on the mains system, and a corresponding appliance
11/14/2002	DE10123009A1 Switched mode supply stage has regulated primary circuit with demand value smoothed or held constant over at least one mains cycle, taken into account in primary circuit control parameter
11/13/2002	EP1256163A1 Rectifier system
11/13/2002	CN1379927A Control of DC/DC converters having synchronous rectifiers
11/13/2002	CN1379537A Low-loss step-up method and device
11/13/2002	CN1379534A Synchronous rectifying drive circuit and method of DC/DC converter
11/13/2002	CN1379522A Power fluctuation compensation device
11/12/2002	US6480402 Start up circuit for commutation power supplies
11/12/2002	US6480043 Circuit and method for protecting a switching power supply from a fault condition
11/12/2002	US6477965 Power conversion device for a rail way vehicle
11/07/2002	WO2002089303A1 Ac-dc converter with no input rectifying diode bridge
11/07/2002	WO2002049198A3 Preconditioner
11/07/2002	WO2002041482A3 Leakage energy recovering system and method for flyback converter
11/07/2002	US20020163821 Method and apparatus for dissipative clamping of an electrical circuit with a clamp voltage varied in response to an nput voltage
11/07/2002	DE10122003A1 Pulse current rectifier for a series wound universal motor maintains a sinusoidal mains current form and can adjust motor power
11/07/2002	DE10118285A1 Schaltung zur Umwandlung von Wechselspannung in Gleichspannung A circuit for converting AC voltage into DC voltage
11/06/2002	EP1254516A1 High power modulator
11/06/2002	EP1254504A1 Method for starting a switching power supply and a switching power supply comprising a starting circuit
11/06/2002	CN1378410A Two-line system electronic switch power circuit
11/06/2002	CN1378334A DC power device and air conditioner
11/06/2002	CN1378333A DC power device and air conditioner
11/05/2002	US6477064 High efficiency DC-DC power converter with turn-off snubber
11/05/2002	US6476566 Method and apparatus for canceling ripple current in a lamp
10/2002
10/31/2002	WO2002087068A1 Device for power supply in a multi-voltage electric system of a motor vehicle
10/31/2002	WO2002087062A2 Current inverter
10/31/2002	WO2002086919A1 Solenoid drive apparatus and drive method
10/31/2002	WO2002039567A3 Magnetic amplifier ac/dc converter with primary side regulation
10/31/2002	US20020159280 Start-up circuit and control for high power isolated boost DC/DC converters
10/31/2002	US20020159279 AC-to-DC converter
10/31/2002	US20020159277 Magnetic core, coil assembly and power supply circuit using the same
10/31/2002	US20020159214 Miniaturized ac/dc power supply and battery charger
10/31/2002	US20020159210 Output feedback and under-voltage detection system
10/31/2002	US20020158656 Apparatus and method for power continuity testing in a parallel testing system
10/31/2002	US20020158616 Power supply with flux-controlled transformer
10/31/2002	DE10119985A1 Vorrichtung zur Energieeinspeisung in ein Mehrspannungsbordnetz eines Kraftfahrzeugs Apparatus for supplying power to a multi-voltage electrical system of a motor vehicle
10/30/2002	EP1253706A1 Power electronic circuit and process to transfer active power
10/30/2002	EP1253704A2 Components having actively controlled circuit elements
10/30/2002	CN2519525Y New active power factor corrector
10/30/2002	CN1377125A Step-up transformer
10/30/2002	CN1377124A Switching power supply
10/29/2002	US6473320 Voltage converter circuit with self-oscillating half-bridge configuration and with protection against hard switching
10/29/2002	US6473318 Leakage energy recovering system and method for flyback converter
10/29/2002	US6473284 Low-power dc-to-dc converter having high overvoltage protection
10/29/2002	US6473280 Switching voltage regulator failure detection circuit and method
10/29/2002	US6472775 Method and system for eliminating certain harmonics in a distributed power system
10/24/2002	WO2002084873A1 Synchronous rectifiers
10/24/2002	WO2002084851A1 Vsc-converter
10/24/2002	WO2002084679A1 Low output noise switched mode power supply with shieldless transformer
10/24/2002	US20020154525 Circuit for converting AC voltage into DC voltage
10/24/2002	US20020154523 Circuit for converting AC voltage into DC voltage
10/24/2002	US20020154522 Switching power supply
10/24/2002	US20020154521 Electronic transformer
10/24/2002	US20020154464 Components having actively controlled circuit elements
10/24/2002	US20020153847 Portable device with reduced power dissipation
10/24/2002	EP1194997A4 System with choke in parallel with a/c line for load conditioning
10/23/2002	EP1251636A1 A power source filter circuit
10/23/2002	EP1251630A2 Switching power supply
10/23/2002	EP1250741A1 Inrush current limiting circuit, power source device and power conversion device
10/23/2002	CN2518260Y High voltage and frequency pulse d.c. generator
10/23/2002	CN2518259Y Isolation circuit for d.c output terminal of mains
10/23/2002	CN1375902A DC-to-ac converter, power supplying system and method for reducing current-leakage in power-supplying system
10/22/2002	US6469917 PFC apparatus for a converter operating in the borderline conduction mode
10/22/2002	US6469914 Universal pulse width modulating power converter
10/22/2002	US6469485 Active filter and method for suppressing current harmonics
10/17/2002	WO2002082627A1 Power converter
10/17/2002	WO2002082625A2 Method for reducing interference emissions in a dc/dc flyback converter
10/17/2002	WO2002035892A3 Electronic ballast with continued conduction of line current
10/17/2002	WO2001057998A9 A single-stage power factor correction method to reduce energy storage capacitor voltage and circuit for same
10/17/2002	US20020149953 Unified constant-frequency integration control of three-phase power factor corrected rectifiers, active power filters, and grid-connected inverters
10/17/2002	US20020149952 Power source filter circuit that is capable of eliminating noise component supplied from power source and driving noise component generated from induction load simultaneously
10/17/2002	US20020149951 Power supply circuit and method of soft switching
10/17/2002	US20020149348 Loss and noise reduction in power converters
10/17/2002	DE10209834A1 Method for reducing interference radiation with DC/DC blocking oscillator varies the individual current thresholds for initiating charging and discharging of capacitor
10/17/2002	DE10159175A1 Halbleiterbauelement Semiconductor device
10/16/2002	EP1249926A2 Method and apparatus for dissipative clamping of an electrical circuit
10/16/2002	EP1249924A2 Loss and noise reduction in power converters
10/16/2002	EP1249923A2 Circuit for transformation of AC-voltage into DC-voltage
10/16/2002	EP1249922A1 Method and apparatus for controlling voltage flicker
10/16/2002	EP1249067A1 Portable device with reduced power dissipation
10/16/2002	CN1375123A System for controlling the delivery of power to DC computer components
10/16/2002	CN1374747A Switch power source device
10/16/2002	CN1374744A Triphase four-line inversaion power source
10/16/2002	CN1374743A Overvoltage protector for electric power system, AC/DC converter and DC/DC converter composed of the same electric power system
10/16/2002	CN1374742A DC-to-AC converter
10/16/2002	CN1374739A DC-DC converter power source circuit, method for controlling DC-DC converter and method for controlling power source circuit
10/15/2002	US6466469 Power converter modulation using phase shifted signals
10/15/2002	US6466468 Direct conversion programmable power source controller
10/15/2002	US6466465 Digital control of voltage harmonic distortion and overload current protection for inverters
10/15/2002	US6466463 Switching power supply
10/15/2002	US6466060 Switching device with separated driving signal input and driving circuit of the same
10/15/2002	US6465992 Preconditioner generating feedback signal having reduced ripple
10/15/2002	US6465990 Power factor correction circuit

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