| Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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| 08/06/1987 | DE3603050A1 Semiconductor circuit arrangement |
| 08/05/1987 | EP0231012A2 Control apparatus for AC-DC converter |
| 08/05/1987 | EP0230568A2 Inverter provided with inductances for limiting the speed of current increase or decrease |
| 08/04/1987 | US4685048 AC-DC transformation circuit |
| 08/04/1987 | US4685047 Apparatus for converting radio frequency energy to direct current |
| 08/04/1987 | US4685046 Low voltage direct current power supply |
| 08/04/1987 | US4685044 Method and apparatus for suppressing resonance phenomena in the A-C network on the inverter side of a high voltage D-C transmission system |
| 08/04/1987 | US4685043 Inverter for generating a staircase-shaped a.c. voltage on each of the phase conductors of a multiphase system |
| 08/04/1987 | US4685042 Modulator control for inverter |
| 08/04/1987 | US4684868 Induction motor control apparatus and method for restart when rotating in shutdown |
| 08/04/1987 | US4684851 DC/AC converter for feeding a metal vapor discharge tube |
| 08/04/1987 | US4684818 Motor vehicle electrical system providing multiple DC voltages |
| 08/04/1987 | CA1225117A1 Variable input voltage regulator circuit |
| 07/30/1987 | WO1987004575A1 Power converter |
| 07/30/1987 | DE3602496A1 Method for the parallel operation of invertors, and an invertor arrangement for carrying out the method |
| 07/29/1987 | EP0230386A2 AC input free power source |
| 07/29/1987 | EP0230358A2 RF high voltage power supply |
| 07/29/1987 | EP0230238A2 Phase control device for a parallel oscillating circuit inverter |
| 07/29/1987 | EP0229950A1 Transformerless supply circuit |
| 07/29/1987 | CN87100280A Control apparatus for pwm converter |
| 07/29/1987 | CN86108659A 逆变器 Inverter |
| 07/28/1987 | US4683529 Switching power supply with automatic power factor correction |
| 07/28/1987 | US4683527 AC/DC or DC/AC converter system with outboard commutation inductors |
| 07/28/1987 | US4683415 Line frequency switching power supply |
| 07/23/1987 | DE3701208A1 Control method for an invertor |
| 07/23/1987 | DE3601160A1 Method and device for protection of a converter |
| 07/22/1987 | EP0229656A2 A control method for pulse width modulation inverters |
| 07/21/1987 | US4682000 Welding transformer and rectifier assembly |
| 07/15/1987 | EP0228796A1 Start controlling circuit for adapting a constant current generator to a wide variety of loads |
| 07/14/1987 | US4680695 Cross coupled current regulator |
| 07/14/1987 | US4680694 Ozonator power supply |
| 07/14/1987 | US4680693 Continuous high d.c. voltage supply particularly for an X-ray emitter tube |
| 07/14/1987 | US4680692 Control apparatus of AC/DC power converter |
| 07/14/1987 | US4680691 Method and system for preventing an excessive voltage build-up in a power converter system |
| 07/14/1987 | US4680690 Inverter for use with solar arrays |
| 07/14/1987 | US4680663 Power supply installation for dc electric railroad |
| 07/14/1987 | CA1224245A1 Power converter for ac load |
| 07/14/1987 | CA1224244A1 Method and device for rapidly determining a reference voltage synchronous with the network for a network controlled converter after a network disturbance |
| 07/08/1987 | EP0227993A2 High-voltage/large-current generator apparatus and method for generating high-voltage/large-current |
| 07/08/1987 | EP0227849A1 Electric power control apparatus |
| 07/08/1987 | CN86107978A Inverse current transformer system common to ac and dc inputs |
| 07/07/1987 | USH309 Energy recoverable choke feed |
| 07/07/1987 | US4679130 Programmable power supply |
| 07/07/1987 | US4678980 Power failure stop circuit for a converter |
| 07/07/1987 | US4678946 Circuit in which output circuit and operational amplifier equipped input circuit are electrically isolated |
| 07/07/1987 | US4678932 Snubber circuit for GTO thyristor |
| 07/02/1987 | WO1987004024A1 Control circuit of the power transistor in a dc/ac converter |
| 07/01/1987 | EP0227382A2 Forward converters used in switching power supplies |
| 07/01/1987 | EP0226964A2 Rectifier circuit for providing limited output voltage range |
| 06/30/1987 | US4677540 AC motor control panel |
| 06/30/1987 | US4677539 DC to three phase switched mode converters |
| 06/30/1987 | US4677538 Sweep transformer with terminating PC board |
| 06/30/1987 | US4677537 Converter device |
| 06/30/1987 | US4677536 AC Current sensing circuit |
| 06/30/1987 | US4677535 Power conversion system |
| 06/30/1987 | US4677345 Inverter circuits |
| 06/30/1987 | US4677309 Self-commutated inverter is selectively decoupled from an AC grid |
| 06/24/1987 | EP0226299A2 Base drive circuit for high-power switching transistor |
| 06/24/1987 | EP0225919A1 Cooled stack of electrically isolated semiconductors |
| 06/23/1987 | US4675799 Control system for power converter |
| 06/23/1987 | US4675795 Step-up rectifier circuit |
| 06/23/1987 | US4675639 Transformer assembly and winding therefor |
| 06/19/1987 | DE3543983A1 Method for connecting a converter to a rotating-field machine which is still rotating but is not energized |
| 06/18/1987 | WO1987003752A1 Improvements relating to ac/dc converters |
| 06/18/1987 | WO1987003713A1 Power controller |
| 06/17/1987 | CN86107129A Induction motor control apparatus and method for restart when rotating in shutdown |
| 06/17/1987 | CN85205400U Self-compensative and non-phase angle constant-power controller |
| 06/16/1987 | US4674025 Multi-inverter control apparatus |
| 06/16/1987 | US4674024 High voltage modular inverter and control system thereof |
| 06/16/1987 | US4673888 For an audio amplifier |
| 06/10/1987 | EP0225200A1 DC power supply device for at least two electric loads with a common polarity, especially for supplying multiple electric arcs |
| 06/09/1987 | US4672526 Rectifying circuit arrangement for generating at least one controllable direct voltage from at least one alternating voltage |
| 06/09/1987 | US4672525 Guard system for inverter apparatus |
| 06/09/1987 | US4672521 Power converter for synthesizing a wave form |
| 06/09/1987 | US4672520 Current-source power converting apparatus with self-extinction devices |
| 06/09/1987 | US4672301 Power controller circuit with automatic correction for phase lag between voltage and current |
| 06/09/1987 | US4672295 Battery charger circuit |
| 06/09/1987 | US4671390 Converter-powered drive for an elevator |
| 06/04/1987 | DE3542753A1 Method for pulse-width modulation of a pulse-controlled invertor |
| 06/04/1987 | DE3540113A1 Method for operating a pulse-pattern generator |
| 06/03/1987 | EP0224198A2 Control device for power converter |
| 06/03/1987 | EP0224109A1 Method and device for operating a pulse inverter with compensation of failing voltage time due to the whole storage effect |
| 06/02/1987 | US4670833 Semiconductor module for a high-speed switching arrangement |
| 06/02/1987 | US4670831 Method and apparatus for generating a control power delivered to a load by a polyphase power line |
| 06/02/1987 | US4670828 Bi-directional switch for neutral point clamped PWM inverter |
| 06/02/1987 | US4670827 Controlled regenerative D-C power supply |
| 06/02/1987 | US4670826 Control method for cycloconverter and control apparatus therefor |
| 05/27/1987 | EP0223362A2 Arrangement for switching rectified alternating current |
| 05/27/1987 | EP0121575B1 Controller for motor |
| 05/26/1987 | US4668921 Power supply circuit |
| 05/26/1987 | US4668906 Switched resistor regulator |
| 05/21/1987 | WO1987003153A1 Drive circuit for fast switching of darlington-connected transistors |
| 05/21/1987 | DE3540920A1 Frequency generator with raised oscillating circuit voltage |
| 05/21/1987 | DE3540182A1 Method and arrangement for forming the output currents of a three-phase pulse-controlled invertor |
| 05/20/1987 | EP0222441A1 DC-AC converter for igniting and supplying a discharge lamp |
| 05/19/1987 | US4667283 Power converter apparatus including a chopper regulated inverter system |
| 05/19/1987 | US4667282 Multiphase rectifier circuit with dynamic AC input to DC output voltage range compression utilizing half and full wave rectification modes |
| 05/19/1987 | US4667280 Voltage multiplying rectifier |
| 05/19/1987 | CA1222022A1 Phase control device for a power converter |
| 05/19/1987 | CA1222021A1 Method and apparatus for controlling pwm inverters |