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)
05/1998
05/28/1998DE19647933A1 Static power converter for railway traction current supply
05/27/1998EP0844728A2 Forward converter
05/27/1998EP0844727A2 SMPS with a variable frequency start up circuit
05/26/1998US5757635 Power factor correction circuit and circuit therefor having sense-FET and boost converter control circuit
05/26/1998US5757628 Stabilized high frequency switching power supply with suppressed EMI noise
05/26/1998US5757627 Isolated power conversion with master controller in secondary
05/26/1998US5757626 Single-stage, single-switch, islolated power-supply technique with input-current shaping and fast output-voltage regulation
05/26/1998US5757166 Power factor correction controlled boost converter with an improved zero current detection circuit for operation under high input voltage conditions
05/22/1998WO1998021914A2 Power supply system for a load, and use
05/22/1998WO1998021887A1 Quick-reset circuit for auxiliary power supply
05/22/1998WO1998021814A1 Fault control circuit for switched power supply
05/22/1998WO1998021811A1 Fault control circuit for switched power supply
05/20/1998EP0843403A1 Rcc-type switching power supply
05/20/1998EP0842572A1 Noise suppression in pwm-driven dc motor
05/20/1998EP0801839B1 Arrangements for reducing the electromagnetic field created by power electronic equipment
05/20/1998DE19645783A1 Stromversorgungsschaltung Power supply circuit
05/20/1998CN1182507A Method for processing PWM waves and device therefor
05/19/1998US5754419 Surge and overcurrent limiting circuit for power converters
05/19/1998US5754416 Single soft switching circuit for power supply
05/19/1998US5754045 Power line switching apparatus
05/14/1998WO1998020611A1 Electric power supply circuit
05/14/1998DE19646626A1 Anordnung zur Stromversorgung einer Last sowie Verwendung Arrangement for supplying power to a load and use
05/12/1998US5751567 AC-DC converter
05/12/1998US5751564 Dual/multiple voltage level input switching power supply
05/12/1998US5751563 HVDC transmission
05/12/1998US5751561 Low cost AC-to-DC converter having input current with reduced harmonics
05/12/1998CA2097353C Electric power converter
05/12/1998CA2068864C Apparatus for a balanced three phase ac power supply in a computer having variable dc loads
05/07/1998WO1998019385A1 Active interphase reactor for 12-pulse rectifier
05/05/1998US5748458 AC/DC converter power supply circuit having multiple rectifiers
05/05/1998US5747981 Inductor for an electrical system
05/05/1998US5747977 Switching regulator having low power mode responsive to load power consumption
05/05/1998US5747972 Method and apparatus for electronic power control
05/04/1998CA2219554A1 Scr firing circuit for high voltage control applications
04/1998
04/30/1998WO1998018197A1 An improved switched-mode power supply
04/29/1998EP0838893A2 Power source apparatus
04/29/1998EP0838892A2 Multiple voltage range power supply
04/29/1998EP0788678B1 Method and device for load power control via a phase adjustment system
04/28/1998US5745353 Snubber circuit that suppresses surge and rush current flowing to a switching element of a self excitation-type flyback power supply
04/23/1998WO1998016993A1 Converter
04/23/1998DE19746112A1 Power converter arrangement
04/22/1998EP0837547A2 Power circuit
04/22/1998EP0837546A2 Power circuit
04/22/1998EP0837545A1 Zero voltage control circuit for a triac
04/22/1998CN1179645A Power factor controller for active converter
04/21/1998US5742716 Light trigger thyristor
04/21/1998US5742193 Driver circuit including preslewing circuit for improved slew rate control
04/21/1998US5742155 Zero-current start-up circuit
04/21/1998US5742151 Input current shaping technique and low pin count for pfc-pwm boost converter
04/16/1998WO1998016002A1 Switched-mode power supply
04/16/1998DE19641299A1 Getaktete Stromversorgung von Schaltnetzteilen Pulsed power supply switch mode power supplies
04/15/1998CN1038088C Method and apparatus for elimination or reduction of harmanic and/or resonance
04/14/1998US5740026 Controlled input circuit for an SCR to accept either AC or DC voltage
04/14/1998US5740021 Switching power supply for the operation of electric lamps
04/08/1998EP0834213A1 Switch mode power supply
04/07/1998US5737209 Power quality and demand management module
04/07/1998US5737204 Method and apparatus for interfacing battery backup to power factor correction front end for maintaining power
04/07/1998US5737199 Fail Check Device and method for switching signal lines
04/07/1998US5736916 High frequency pulse transformer for an IGBT gate drive
04/07/1998US5736884 Device for generating a control signal dependent on a variable resistance value and apparatus comprising such device
04/07/1998US5736842 Technique for reducing rectifier reverse-recovery-related losses in high-voltage high power converters
04/07/1998US5736841 Switching power supply attaining sinusoidal input current and comprising series coupled 2-terminal switching block
04/02/1998DE19641630C1 Supply circuit for electrically powered vehicles e.g. rail-borne vehicles
04/02/1998DE19638574A1 Power supply for rail vehicle with at least one DC-fed power converter
04/01/1998EP0832006A1 High voltage power converter system
04/01/1998CN1178039A Switched-mode power supply with synchronous preconverter
03/1998
03/31/1998US5734562 Power factor correction circuit
03/31/1998US5734289 Circuit arrangement for controlling a triac
03/26/1998WO1998012817A1 Solid-state high voltage switch and switching power supply
03/26/1998WO1998012798A1 Power supply circuit
03/26/1998WO1998012796A1 Snubber circuit, voltage converter circuit and method in such a snubber circuit
03/26/1998DE19741391A1 Gate driver circuit for current regulator
03/24/1998US5731969 Three-phase AC power converter with power factor correction
03/24/1998US5731967 Converter circuit arrangement with minimal snubber
03/19/1998WO1998011657A1 A switched-mode power supply control circuit
03/19/1998WO1998011655A1 Method and device for providing power to a magnetron
03/18/1998EP0829948A2 Power converter device with output filter
03/18/1998EP0593628B1 Power mosfet driver with cross-conduction current reduction
03/17/1998US5729446 Converter circuit arrangement with actively controllable current and voltage rise limiting means
03/17/1998US5729119 Dual mode power supply and under voltage trip device
03/12/1998WO1998010509A1 Power unit
03/12/1998DE19635355A1 Clocked power converter control circuit, especially for lamp inverter
03/11/1998CN1175813A Power supply unit
03/10/1998US5726873 Control circuit for cryogenically-cooled power electronics employed in power conversion systems
03/10/1998US5726845 Short circuit protection for power factor correction circuit
03/10/1998US5726561 Voltage selection apparatus and methods
03/05/1998WO1998009368A1 Method and apparatus for automatic average current mode controlled power factor correction without input voltage sensing
03/04/1998EP0827262A2 Power factor controller for active converter
03/04/1998EP0827253A1 Intermittent on/off regulator type DC power supply circuit
03/04/1998EP0826268A1 Electronic power supply device
03/04/1998CN1175114A Method for correcting harmonic distortion
03/04/1998CN1037649C Electric power source
03/04/1998CN1037648C Universal power converter with single, shared power transformation circuit
03/04/1998CA2184674A1 Intermittent on/off regulator type dc power supply circuit
03/04/1998CA2184663A1 Harmonic correction of 3-phase rectifiers and converters
03/03/1998US5724236 Power converter transformer having an auxilliary winding and electrostatic shield to suppress noise
03/03/1998US5723956 Low cost electronic ultracapacitor interface technique to provide load leveling of a battery for pulsed load or motor traction drive applications
02/1998
02/26/1998WO1998008294A1 Ac/dc converter
02/26/1998WO1998001937A3 A connection means between a frequency converter and its load
02/25/1998EP0825724A2 Electronic apparatus with electrical energy storage means
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