| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
|---|
| 04/24/1990 | CA1268213A1 Fault detector for detecting faults in a dc capacitor circuit |
| 04/11/1990 | EP0363250A1 Process and device for triggering an electronic converter by the network |
| 04/11/1990 | EP0363020A1 Driving circuit |
| 04/11/1990 | CN1007572B Inverter control apparatus |
| 04/10/1990 | US4916380 Regulated switching power supply with complex output filter |
| 04/10/1990 | CA1267702A1 Thyristor commutation circuit |
| 04/04/1990 | EP0361834A2 Current source inverter control system for load cummutated induction motor drive |
| 04/04/1990 | EP0361389A2 DC/AC power converting apparatus including DC component remover |
| 04/04/1990 | EP0360914A1 Self-calibrating A/D and D/A converters |
| 04/04/1990 | EP0360908A1 Primary switching power supply |
| 04/04/1990 | CN1041078A Power control circuit for inductive loads |
| 04/03/1990 | US4914559 Power factor improving arrangement |
| 04/03/1990 | US4914539 Regulator for inductively coupled power distribution system |
| 04/03/1990 | US4914327 Circuit arrangement for controlling the alternating current through a load |
| 03/27/1990 | US4912620 Lossless clipper with peak regulation feature |
| 03/27/1990 | US4912390 Apparatus for controlling firing of thyristors relative to a current reaching zero by using a microcomputer and hardware responsive to voltage crossing zero |
| 03/21/1990 | CN2054954U Silicon-controlled swith witch constant voltage regulating control |
| 03/15/1990 | DE3830460A1 Circuit arrangement for supplying an electrical load from an AC voltage mains |
| 03/14/1990 | EP0358191A2 PWM-controlled power supply capable of eliminating modulation-frequency signal components from ground potentials |
| 03/12/1990 | EP0343222A4 Ac to dc power converter with integrated line current control. |
| 03/08/1990 | WO1990002476A1 Power control circuit for inductive loads |
| 03/08/1990 | WO1990002438A1 Device for control of rectifiers |
| 03/01/1990 | DE3829387A1 Circuit arrangement having a sinusoidal current consumption for producing a DC voltage |
| 02/22/1990 | WO1990001826A1 Pwm inverter control method and circuit |
| 02/21/1990 | CN1039937A Arrangement for controlling phase of thyristor |
| 02/20/1990 | US4903186 Transformer-rectifier with ripple filter |
| 02/20/1990 | US4903184 Reactive power controller |
| 02/14/1990 | EP0172891B1 Soft-start control for a push-pull converter-regulator with a flux balancing circuit |
| 02/13/1990 | US4901138 Semiconductor converter |
| 02/08/1990 | WO1990001230A1 Switched electrical power conversion and balancing |
| 02/06/1990 | US4899270 DC-to-DC power supply including an energy transferring snubber circuit |
| 02/06/1990 | US4899088 Power control circuit for inductive loads |
| 02/01/1990 | DE3826283A1 Mains converter for a multi-system, multiple-unit train |
| 01/31/1990 | EP0352983A1 Power factor improvement |
| 01/31/1990 | CN1039335A Thyristor trigger device |
| 01/30/1990 | CA1265215A1 Scr priming and sweep-out circuit apparatus |
| 01/25/1990 | WO1990000829A1 System for converting variable frequency multiple phase alternating current into constant frequency multiple phase alternating current with neutral |
| 01/24/1990 | CN1039158A Uninterruptible power source equipment |
| 01/18/1990 | DE3824202A1 Method for controlling a four-quadrant controller |
| 01/17/1990 | EP0351144A1 Power supplies |
| 01/16/1990 | US4894763 AC-AC converter using switches in a DC link |
| 01/04/1990 | DE3914975A1 Method for synchronously driving pulse-controlled invertors |
| 01/04/1990 | DE3914974A1 Method for synchronously driving pulse-controlled invertors |
| 01/04/1990 | DE3821987A1 Switched-mode power supply for the isolated power supply of DC consumers |
| 01/03/1990 | CN1006352B Method and equipment for the charge balance control of the silicon control |
| 01/03/1990 | CN1006345B Excess current protective circuit of converter |
| 01/02/1990 | US4891744 Power converter control circuit |
| 01/02/1990 | US4891571 Control device for switching a thyristor |
| 12/27/1989 | EP0347686A1 Rotating transmitter for digital pulses, and method of using it |
| 12/26/1989 | US4890213 Power converter device having starting circuits and a method for starting the power converter device |
| 12/26/1989 | US4890211 Switching mode power supply start-up circuit |
| 12/21/1989 | DE3820562A1 Power supply source for a pulse-supplied electric motor |
| 12/20/1989 | EP0346424A1 Converter for converting a multiple phase variable frequency ac voltage into dc |
| 12/20/1989 | CN2049841U High-voltage large power thyristor device structure |
| 12/19/1989 | US4888675 Switching power supply filter |
| 12/14/1989 | DE3819978A1 Invertor having an intermediate circuit |
| 12/13/1989 | EP0345624A1 Circuit arrangement for drawing a practically sinusoidal current with network frequency from the network and for transferring this electric energy into a galvanically coupled DC/DC system |
| 12/12/1989 | US4887199 Start circuit for generation of pulse width modulated switching pulses for switch mode power supplies |
| 12/12/1989 | US4887022 Under voltage lockout circuit for switching mode power supply |
| 12/06/1989 | EP0344502A2 Circuit arrangement to compensate for interference |
| 12/05/1989 | US4885675 Transformer isolated AC to DC power conditioner with resistive input current |
| 12/05/1989 | CA1263701A1 Power interface circuit with control chip powered from power chip |
| 11/30/1989 | WO1989011691A1 Ac to dc power converter with input current waveform control |
| 11/29/1989 | EP0343222A1 Ac to dc power converter with integrated line current control |
| 11/29/1989 | EP0343202A1 Control circuit for triacs |
| 11/28/1989 | US4884184 Control apparatus for cascaded converter circuit |
| 11/28/1989 | US4884183 Dual-mode controlled pulse width modulator |
| 11/28/1989 | US4884025 Process for the fault monitoring of an electric valve |
| 11/23/1989 | EP0342503A2 SCR regulator for a television apparatus |
| 11/23/1989 | DE3816536A1 Method and device for regulating a direct current using D.C. controllers connected in parallel |
| 11/23/1989 | DE3816193A1 Method for identifying a power section of a converter of a type of converter device |
| 11/22/1989 | CN2048259U Antiexplosion type transistor dc adaptor |
| 11/15/1989 | CN2047858U New-type thyristor power contactor |
| 11/08/1989 | EP0340800A1 Moving magnetic field electric power converter |
| 10/25/1989 | EP0338945A1 Static thyristor-arrangement for a middle-range voltage AC network |
| 10/25/1989 | EP0338833A2 PWM inverter control unit |
| 10/25/1989 | EP0338254A2 Circuit arrangement for compensating disturbances |
| 10/19/1989 | WO1989010024A1 Arrangement for controlled energy transfer for electrical supply, especially for reducing switching transients |
| 10/18/1989 | CN1036478A Multipurpose energy-saving unit for prolongating service life |
| 10/12/1989 | DE3810431A1 Selbstgefuehrter gegentakt-wechselrichter Self-Guided balanced-inverter |
| 10/12/1989 | DE3809405A1 Battery-operated ventilation apparatus for a breathing protection mask |
| 10/11/1989 | EP0336019A1 Multilevel pulse width modulation method, and modulator using this method |
| 10/05/1989 | WO1989009510A1 Automatically guided push-pull inverter |
| 10/04/1989 | EP0335626A2 Power supply circuit |
| 10/04/1989 | EP0335460A1 An improved circuit arrangement for detecting cross-over by an alternating voltage of a fixed reference voltage level |
| 10/03/1989 | US4872127 Ripple rejection filter |
| 09/26/1989 | US4870558 Moving magnetic field electric power converter |
| 09/26/1989 | CA1261414A1 Highpass filter of a filter arrangement for a three- phase network connected to converters |
| 09/26/1989 | CA1260088A1 High-power pulse transformer for short high-voltage and/or high-current pulses |
| 09/19/1989 | US4868486 AC power control apparatus |
| 09/19/1989 | US4868461 Thyristor triggering device |
| 09/19/1989 | EP0314669A4 Switched capacitor induction motor drive. |
| 09/13/1989 | CN1035593A Power control circuit with phase controlled signal input |
| 09/12/1989 | US4866590 Supply having a load invariant auxiliary power supply supplied from a main transformer and a current suppressing inductor |
| 09/12/1989 | US4866588 Circuit for suppression of leading edge spike switched current |
| 09/12/1989 | US4866586 Shoot-through resistant DC/DC power converter |
| 09/12/1989 | US4866344 High voltage power supply for a microwave electron tube |
| 09/12/1989 | CA1259381A1 Power line filter |
| 09/06/1989 | EP0331592A1 Switching power supply with a progressive start |
| 09/05/1989 | US4864488 Single level D.C. output voltage power supply |