Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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09/20/1994 | US5349157 Inverter power supply for welding |
09/15/1994 | WO1994021029A1 Converter circuit |
09/14/1994 | CN1092218A Automatic control device for point voltage in half-bridge power amplification power supply |
09/14/1994 | CN1092217A Three-phase full-controlled trigger bridge circuit for thyristors |
09/13/1994 | US5347441 Thyristor converter system with higher harmonics suppression |
09/13/1994 | US5347166 Apparatus and method for switching high power levels |
09/13/1994 | CA2007023C Inverter circuit and a method for controlling same |
09/08/1994 | DE4405138A1 Control device for the voltage behaviour in the consumer circuit of a current consumer |
09/08/1994 | DE4308424C1 Switching controller, in particular for operation on loads having a capacitive component |
09/06/1994 | US5345377 Harmonic controller for an active power line conditioner |
09/06/1994 | US5345375 System and method for reducing harmonic currents by current injection |
09/06/1994 | US5345374 Power source for supplying DC voltage by converting AC voltage from AC source |
09/06/1994 | US5345164 Power factor corrected DC power supply |
09/01/1994 | WO1994019919A1 High power factor gas lamp energizing circuit |
09/01/1994 | WO1994019860A1 Low line harmonic ac to dc power supply |
09/01/1994 | DE4305768A1 Power supply unit |
08/30/1994 | US5343378 Power circuit |
08/23/1994 | US5341283 Protective circuit with feedback capability for two-point and three-point inverters, and method of feeding back the protective-circuit energy |
08/23/1994 | US5341281 Harmonic compensator using low leakage reactance transformer |
08/23/1994 | US5341279 Switching power supply circuit providing reduced power loss upon termination of operation of a starting power supply circuit |
08/23/1994 | US5341068 Electronic ballast arrangement for a compact fluorescent lamp |
08/18/1994 | WO1994018687A1 Apparatus and method for switching high power levels |
08/18/1994 | WO1994018683A1 System for reducing harmonics by harmonic current injection |
08/16/1994 | US5338994 Method and apparatus for achieving current balance in parallel connected switching devices |
08/10/1994 | EP0610058A2 Device for suppressing voltage fluctuation and higher harmonics |
08/10/1994 | CN1090705A Circuit arrangement |
08/04/1994 | DE4403008A1 Inverter with overvoltage protection |
08/02/1994 | US5335162 Primary side controller for regulated power converters |
08/02/1994 | CA2027155C Apparatus for triggering a plurality of thyristor devices |
07/28/1994 | DE4301810A1 Single-phase thyristor control circuit for aluminium@ wire resistance evaporator via transformer |
07/27/1994 | EP0608016A1 Driving circuit for bipolar transistors and ballast inverter provided with such circuit |
07/21/1994 | WO1994016492A1 Power supply |
07/21/1994 | DE4301203A1 Controlling revolution speed of washing machine drive |
07/21/1994 | CA2132002A1 Power supply |
07/20/1994 | EP0606665A1 Circuit arrangement |
07/20/1994 | EP0606664A1 Ballast circuit |
07/20/1994 | EP0606601A2 Control device |
07/20/1994 | CN2172544Y Inverting power supply unit |
07/20/1994 | CA2113495A1 Driving circuit for bipolar transistors and ballast inverter provided with such circuit |
07/19/1994 | US5331537 Method of controlling electric valves of a converter |
07/19/1994 | US5331534 Power supply apparatus |
07/19/1994 | US5331533 Zero voltage switching power converters |
07/13/1994 | EP0605879A1 Inverter power supply for welding |
07/13/1994 | EP0605780A2 A low input harmonic induced multiple use AC synchronous generator starter converter |
07/06/1994 | EP0605330A2 Structure of a static frequency converter |
07/06/1994 | EP0605328A1 Optimal power supply for electric motor |
07/06/1994 | EP0605057A2 Switched-mode supply circuit and control circuit for use in such a power supply circuit |
07/05/1994 | US5327335 Harmonic feedback control for an inverter |
07/05/1994 | US5327333 Push push DC-DC reduced/zero voltage switching converter with off-set tapped secondary winding |
06/23/1994 | WO1994014228A1 Method for notch modulating a rectifier for three phase operation |
06/23/1994 | DE4243191A1 Sinusoidal current collection circuit for polyphase mains rectifier |
06/22/1994 | EP0602978A1 Circuit for shortening the turn-off time of a power transistor |
06/22/1994 | EP0602908A1 High power factor circuit for powering a load |
06/22/1994 | EP0602892A2 Semiconductor valve |
06/22/1994 | EP0602835A1 Voltage control circuits |
06/21/1994 | US5323304 A.C. storage module for reducing harmonic distortion in an A.C. waveform |
06/21/1994 | US5323062 System for triac trigger control in combination with a sensing element |
06/15/1994 | EP0601833A2 Improvement to capacitive coupled power supplies |
06/15/1994 | CA2103425A1 High power factor circuit for powering a load |
06/14/1994 | US5321299 Hybrid integrated circuit device |
06/09/1994 | CA2110371A1 Capacitive coupled power supplies |
06/08/1994 | EP0600340A1 Passive circuit for improving the power factor |
06/08/1994 | EP0494137B1 Process and device for the optimum operation of a pulse converter connected to a power supply |
06/08/1994 | EP0491691B1 Process and device for determining parameters governing resonance in a power-converter power supply |
06/08/1994 | EP0491690B1 Process for control of a multi-stage pulse converter |
06/08/1994 | CN1087762A AC-to-DC converter |
06/08/1994 | CN1024979C Supply circuit |
06/07/1994 | US5319301 Inductorless controlled transition and other light dimmers |
06/01/1994 | EP0599554A2 Push push DC- DC converter with off-set tapped secondary winding |
06/01/1994 | EP0599427A1 Static energy regulator for lighting networks with control of the quantity of the intensity and/or voltage, harmonic content and reactive energy supplied to the load |
06/01/1994 | EP0599405A1 Low harmonic power supply for a discharge lamp |
06/01/1994 | EP0599000A1 Power supply |
06/01/1994 | CN2167472Y Universal power supply inputting type adapter |
06/01/1994 | CN1087453A Method and apparatus for harmonic distortion correction |
05/27/1994 | CA2109753A1 Circuit arrangement |
05/26/1994 | DE4301605C1 Monitoring switch=on and switch=off of power semiconductor component - forming count signal from level changes at gate and output electrode and comparing with predefined value to signal fault on difference |
05/25/1994 | EP0598465A2 Method and apparatus for harmonic distortion correction |
05/25/1994 | EP0598197A2 Blocking oscillator switched power supply with sinusoidal current consumption |
05/25/1994 | EP0598110A1 Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown |
05/25/1994 | CN1087220A Inverter device |
05/24/1994 | US5315214 Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown |
05/18/1994 | EP0597426A2 AC-to-DC converter |
05/18/1994 | CN1024619C Control device of neutral point clamped power inverter apparatus |
05/17/1994 | US5313142 Compact fluorescent lamp with improved power factor |
05/11/1994 | WO1994010745A1 Harmonic controller for an active power line conditioner |
05/11/1994 | WO1994010744A1 Active power line conditioner with synchronous transformation control |
05/11/1994 | WO1994010743A1 Load current fundamental filter with one cycle response |
05/11/1994 | EP0596397A1 High frequency power supply |
05/11/1994 | CA2147257A1 Active power line conditioner with synchronous transformation control |
05/11/1994 | CA2146987A1 Load current fundamental filter with one cycle response |
05/11/1994 | CA2146761A1 Harmonic controller for an active power line conditioner |
05/10/1994 | US5311419 Polyphase AC/DC converter |
05/05/1994 | DE4241174A1 Synchronised switching-off process for several GTO thyristors - detecting switch=off time point in dependence on specified gate-cathode voltage |
05/05/1994 | CA2109235A1 Filtered, high-frequency power supply circuit, particularly for combination with a fluorescent lamp, especially a compact fluorescent lamp |
05/03/1994 | US5309347 H-bridge circuit with protection against crossover conduction |
05/03/1994 | US5309344 Dual active clamp, zero voltage switching power converter |
05/03/1994 | US5309343 Driver circuit having paralleled transistors and current-variable resistive elements |
04/28/1994 | WO1994009557A1 Arrangement with a d.c.-d.c. converter for switching operation |
04/28/1994 | WO1994009556A1 Process for operating a voltage converter, voltage converter and its use |
04/28/1994 | WO1994009554A1 A boost-converter with low losses |