Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 1 - Details of apparatus for conversion
Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/1999
07/07/1999EP0928059A2 Current-voltage converter and relative control circuit
07/07/1999EP0927463A1 Solid-state high voltage switch and switching power supply
07/07/1999EP0927452A1 Power supply circuit
07/07/1999CN1222265A Method and appts. for filtering electric current supplied to motor
07/06/1999US5920472 Power supply for a drive unit in a high voltage converter circuit
07/06/1999US5920471 Method and apparatus for automatic average current mode controlled power factor correction without input voltage sensing
07/06/1999US5920467 Power converter for converting AC shore power to shipboard use
07/06/1999CA2115852C Overvoltage protection circuit
07/01/1999WO1999033161A1 Method for influencing the electrical power of a load with a pulse width modulated signal
07/01/1999DE19830758A1 Circuit component
07/01/1999DE19756461A1 Verfahren zum Beeinflussen der elektrischen Leistung einer Last mit einem impulsbreitenmodulierten Signal A method for influencing the electrical power of a load with a pulse-width modulated signal
06/1999
06/30/1999EP0926807A1 Three-phase AC/DC converter
06/30/1999EP0925637A1 A switched-mode power supply control circuit
06/30/1999EP0925635A1 A progressive start-up charge pump and method therefor
06/30/1999EP0801833B1 Transmission line power flow controller with unequal advancement and retardation of transmission angle
06/30/1999CN2327114Y Modularized ferromagnetic-resonance type anti-interference ac. voltage stabilizer
06/29/1999US5917716 Switching mode power supplier having function of protecting circuit from abnormal voltage
06/29/1999US5917715 Forward converter having an improved power factor and suppressing a harmonic noise component of an input current waveform
06/29/1999US5917714 Switching power supply with input voltage reduction detection
06/29/1999US5917712 Self oscillating power supply
06/29/1999US5917690 Regulated current power supply with isolated secondary and output current limiting
06/29/1999US5917318 High-speed responsive power supply for measuring equipment
06/29/1999US5917302 Harmonic current attenuating device of a motor
06/29/1999CA2046268C Process and device for controlling single-phase or multiphase a.c. controllers
06/24/1999WO1999031789A1 Miniature power supply
06/24/1999WO1999019974A3 Power loss reduction in power conversion circuitry
06/24/1999DE19757452A1 Current converter circuit arrangement
06/24/1999CA2310251A1 Miniature power supply
06/23/1999CN1220515A Switching regulator capable of increasing regulator efficiency under light load
06/22/1999US5914865 Simplified AC-DC switching converter with output isolation
06/22/1999US5914628 Circuit for controlling a triac at the voltage zero
06/17/1999WO1999030539A2 Method and apparatus for power factor correction
06/17/1999WO1999030409A1 Switched-mode power supply with current and voltage limitation
06/17/1999WO1999019977A3 Converter/inverter full bridge ballast circuit
06/17/1999CA2225004A1 Voltage booster for enabling the power factor controller of a led lamp upon low ac or dc supply
06/16/1999EP0923179A2 Circuit for sensing no-load condition
06/16/1999CN1219798A Three-phase rectification circuit with power-factor correction and harmonic wave inhibiting circuit
06/15/1999US5912813 Method and apparatus for controlling reflected voltage using a motor controller
06/15/1999US5912812 Boost power converter for powering a load from an AC source
06/15/1999US5912794 Abnormality detection and protection circuit for semiconductor device
06/15/1999US5912549 Current mode controller for continuous conduction mode power factor correction circuit and method of operation thereof
06/15/1999CA2189721C Power selection and protection circuit for inverter power supply
06/10/1999DE19855615A1 Switched network supply device
06/09/1999EP0921625A2 Power supply with improved inrush current limiting circuit
06/09/1999EP0921624A1 Device for driving self arc-extinguishing type power element
06/09/1999EP0920728A1 Ac/dc converter
06/09/1999CN2323509Y Miniature waterproof solid voltage changing module
06/09/1999CN1219299A Step-up switching power supply
06/08/1999US5910891 For use in a display monitor
06/02/1999EP0919081A1 Inverter for inputting sinusoidal currents into an alternating current network
06/02/1999EP0919080A1 Switched-mode power supply, an electric shaver, and a method of converting direct voltages
06/02/1999EP0815636B1 Electric circuit
06/02/1999EP0777931A4 Phase controlled bridge
06/02/1999DE19751956A1 Conversion of AC high voltage into DC low voltage
06/02/1999CN2322317Y Multi-function ac/dc multi-socket voltage regulator
06/02/1999CN1218328A Power inverter device
06/01/1999US5909364 Device for switching between an A.C. voltage and a D.C. voltage
06/01/1999US5909363 Initial drive voltage supply control circuit for switching mode power supply
06/01/1999US5909361 Output voltage stabilizing circuit of a power factor correction circuit at an initial power-on stage
06/01/1999US5909107 Step up switching power unit and filter circuit
05/1999
05/26/1999EP0917753A1 A device for supervising in a high voltage converter station
05/26/1999CN1217604A Multi-phase voltage changer
05/25/1999US5907223 Two-frequency electronic ballast system having an isolated PFC converter
05/25/1999US5907198 Trickle power supply
05/25/1999CA2183199C Soft switching three level inverter
05/19/1999CN1216876A Switching type power supply
05/18/1999US5905642 Apparatus and method to reduce common mode voltage from current source drives
05/18/1999US5905491 Display monitor power supply apparatus with a power factor correction circuit
05/18/1999US5905282 Multi-terminal surge protection device
05/14/1999WO1999023750A1 Power converter
05/14/1999WO1999023748A1 Device and method for controlling converter and converter
05/12/1999EP0915559A1 Non linear multiplier for switching mode controller
05/12/1999EP0914706A1 Switched-mode power supply having an improved start-up circuit
05/12/1999DE19851831A1 Multiphase current converter of voltage type
05/12/1999CN2318751Y Control device for crystall brake pipe medium frequency power source
05/12/1999CN1043394C Power converting circuit
05/11/1999US5903451 SMPS with a variable frequency start up circuit
05/11/1999US5903138 Two-stage switching regulator having low power modes responsive to load power consumption
05/11/1999US5903121 Apparatus for triggering a DC motor with a protective circuit preventing substrate currents
05/11/1999US5903066 Active interphase reactor for 12-pulse rectifier
05/06/1999WO1999022436A1 Ac to dc conversion arrangement
05/06/1999EP0913920A2 Switchting regulator having high current prevention features
05/06/1999EP0913919A2 Power converter
05/06/1999EP0913915A2 Switched-mode power supply
05/06/1999EP0913019A1 Electrical power transmitting system with reduced feeder size and method of operation
05/06/1999EP0791239B1 Power supply apparatus with improved efficiency
05/06/1999EP0698310B1 High frequency ac/ac converter with power factor correction
05/06/1999DE19746797A1 Procedure for controlling bi-directional switches in converters
05/04/1999US5901176 To control power delivered to a load with reduced energy generation
04/1999
04/29/1999WO1999021269A1 Method and circuit for reducing voltage dips in battery supply lines
04/29/1999DE19849019A1 Smoothing circuit for switching current supply , for charging battery
04/29/1999DE19849018A1 Smoothing circuit for switching current supply, for charging battery
04/28/1999EP0852895B1 Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load
04/28/1999CN1215248A Harmonic current attenuator for electric motor
04/27/1999US5898581 Active snubber for buck-based converters and method of operation thereof
04/22/1999WO1999020083A1 Ground fault protection circuit
04/22/1999WO1999019977A2 Converter/inverter full bridge ballast circuit
04/22/1999WO1999019974A2 Power loss reduction in power conversion circuitry
04/21/1999EP0910168A1 Delta-sigma pulse width modulator
04/21/1999EP0910161A1 Power converter
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