| Patents for H02M 1 - Details of apparatus for conversion (33,954) |
|---|
| 08/11/1987 | US4686616 For producing at least one stable DC voltage from an AC line voltage |
| 08/11/1987 | US4686614 For converting an AC input voltage to a DC output voltage |
| 08/06/1987 | DE3640257A1 Phase-gating controller for AC voltage controllers |
| 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 | CA1225117A1 Variable input voltage regulator circuit |
| 07/30/1987 | WO1987004575A1 Power converter |
| 07/29/1987 | EP0230386A2 AC input free power source |
| 07/29/1987 | EP0230238A2 Phase control device for a parallel oscillating circuit inverter |
| 07/28/1987 | US4683529 Switching power supply with automatic power factor correction |
| 07/23/1987 | EP0211005A4 Transistor inverter interlock circuit. |
| 07/21/1987 | US4682278 Procedure and device for detecting the non-conducting state of turn-off thyristors |
| 07/14/1987 | US4680689 Three-phase ac to dc power converter with power factor correction |
| 07/14/1987 | US4680534 Drive method for switching power converter and apparatus using this method |
| 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 | EP0228226A2 An off-gate circuit for a gate-turn-off thyristor |
| 07/07/1987 | US4679133 System for alleviating harmonic distortion |
| 07/07/1987 | US4679131 Regulating power supply for video display apparatus |
| 07/07/1987 | US4679130 Programmable power supply |
| 07/02/1987 | WO1987004023A1 Emi reduction circuit |
| 07/01/1987 | EP0227382A2 Forward converters used in switching power supplies |
| 07/01/1987 | CN86108210A Protective circuit for thyristor converter |
| 06/30/1987 | US4677401 Noise filter for three-phase four-wire system |
| 06/30/1987 | US4677366 Unity power factor power supply |
| 06/25/1987 | DE3545771A1 Circuit arrangement for producing a variable, harmonic-free DC voltage from an AC voltage |
| 06/25/1987 | DE3545770A1 Circuit arrangement for harmonic-free DC voltage supply of a load from an AC voltage source via a converter and an active filter |
| 06/24/1987 | EP0226249A1 Power supply circuit |
| 06/24/1987 | EP0226174A2 Fault detector apparatus |
| 06/23/1987 | US4675801 Power transfer circuit |
| 06/23/1987 | US4675800 Power converter with a failure detector of a self-turn-off semiconductor element |
| 06/23/1987 | US4675542 Circuit arrangement for monitoring a thyristor |
| 06/16/1987 | US4674022 SCR priming and sweep-out circuit apparatus |
| 06/16/1987 | US4673864 Circuit comprising series-connected semiconductor elements |
| 06/16/1987 | US4673851 PWM motor operating system with RFI suppression |
| 06/16/1987 | EP0225618A2 Protection circuit for a thyristor converter |
| 06/10/1987 | EP0224757A1 Reversely conducting thyristor |
| 06/10/1987 | EP0224535A1 Static switch circuit or device for the protected supply of a load, and its line. |
| 06/09/1987 | US4672524 Overcurrent and overvoltage protected transistor inverter |
| 06/09/1987 | US4672315 Circuit arrangement for monitoring a thyristor |
| 06/03/1987 | EP0224198A2 Control device for power converter |
| 06/03/1987 | CN85101064A 半导体阀门 Semiconductor valve |
| 05/27/1987 | EP0223316A2 Circuit arrangement for producing a DC voltage from an AC input voltage |
| 05/27/1987 | EP0223315A2 Circuit arrangement for producing a DC voltage from an AC input voltage |
| 05/27/1987 | DE3541273A1 Converter having a control and regulating device |
| 05/26/1987 | US4669023 Apparatus for freeing electronic one-way switches from high power dissipation stresses |
| 05/21/1987 | DE3536414A1 Arrangement for the forced extinction of a thyristor by means of a commutation circuit |
| 05/21/1987 | DE3533232A1 Device for using reactive energy |
| 05/20/1987 | EP0222261A2 High-pass filter of a filter arrangement for an AC network connected with a converter |
| 05/19/1987 | US4667279 Transformer coupled pard bucker for DC power supplies |
| 05/19/1987 | US4667173 Line filter |
| 05/19/1987 | CA1222022A1 Phase control device for a power converter |
| 05/12/1987 | US4665474 Method and device for rapidly determining a synchronous reference voltage for a network controlled converter |
| 05/12/1987 | US4665323 Electronically switchable power source |
| 05/12/1987 | US4665322 Uninterruptible polyphase AC power supply |
| 05/05/1987 | US4663547 Composite circuit for power semiconductor switching |
| 04/30/1987 | DE3538184A1 Protection circuit against overvoltages |
| 04/23/1987 | WO1987002532A1 Rfi suppression technique for switching circuits |
| 04/23/1987 | DE3537536A1 Single-ended flyback converter or forward converter having a low blocking voltage, for the switching transistor |
| 04/23/1987 | DE3537419A1 Circuit arrangement for protecting an optically controlled thyristor |
| 04/22/1987 | CN86101110A Source apparatus of driving and controlling the three-end controlled electric valve |
| 04/21/1987 | CA1220815A1 Control circuit for power converter apparatus |
| 04/15/1987 | EP0218267A1 Method of controlling a switched-regulated energy converter (boost converter) |
| 04/14/1987 | US4658345 Automatic switchover circuit |
| 04/14/1987 | US4658145 Solid state relay |
| 04/09/1987 | DE3535121A1 Circuit arrangement for producing a high, stable DC voltage |
| 04/07/1987 | US4656571 Frequency converting device and control method therefor |
| 04/02/1987 | DE3534067A1 Electronic circuit for linearising the power setting in phase-gating control |
| 04/01/1987 | EP0216224A2 Circuit arrangement to render a power installation independent of the net frequency and for the compensation of the dispersion of parameters in the phase chopping control |
| 03/31/1987 | US4654543 Thyristor with "on" protective circuit and darlington output stage |
| 03/31/1987 | US4654538 Dual input voltage power supply |
| 03/26/1987 | WO1987001880A1 Power supply circuitry for electric or electronic controllers or regulators |
| 03/25/1987 | EP0215286A1 High power pulse transformer for short high-voltage and/or high-current pulses |
| 03/25/1987 | EP0215090A1 Electrical power source |
| 03/18/1987 | CN85106414A Control device for ac-dc converter |
| 03/17/1987 | US4651269 Current flow reversing circuit |
| 03/17/1987 | US4651266 High-frequency noise absorbing circuit |
| 03/11/1987 | EP0213635A2 Transistor inverter |
| 03/04/1987 | EP0212172A1 Current oscillations compensation method and device |
| 03/04/1987 | EP0212155A1 Voltage converter |
| 03/04/1987 | EP0211881A1 A.c. power supply systems. |
| 03/03/1987 | CA1218698A1 Compact electrical power supply for signal processing applications |
| 03/03/1987 | CA1218694A1 Alternating-current machine drive |
| 02/25/1987 | EP0211005A1 Transistor inverter interlock circuit |
| 02/24/1987 | CA1218410A1 Constant current drive for switching power supply |
| 02/24/1987 | CA1218408A1 Ripple reduction circuit for an inverter |
| 02/17/1987 | US4644240 Method and apparatus for controlling reverse-conducting GTO thyristor |
| 02/10/1987 | US4642746 Circuit arrangement for feeding the regulation and control device of a regulated direct voltage converter |
| 02/10/1987 | US4642745 Power circuit with high input power factor and a regulated output |
| 02/10/1987 | US4642553 Commutator containing a semiconductor with unidirectional current and bidirectional voltage, and with controlled interruption and automatic ignition |
| 02/10/1987 | US4642483 Reverse bias current supply system for a switching device |
| 02/05/1987 | DE3541308C1 DC power supply generator e.g. for gas discharge lamp - obtains regulated DC from mains supply giving sinusoidal input to filter and rectifier |
| 02/05/1987 | DE3541307C1 DC power supply generator e.g. for gas discharge lamp - obtains regulated DC voltage from mains supply giving sinusoidal input to filter and rectifier |
| 02/03/1987 | US4641234 A-C or D-C to D-C converter for dual current locomotives with D-C motors |
| 02/03/1987 | US4641231 Apparatus and method for failure testing of a control turn-off semiconductor |
| 02/03/1987 | CA1217529A1 Trigger circuit for solid state switch |
| 01/27/1987 | US4639849 Snubber circuit for H.F. bridge converter |
| 01/27/1987 | US4639847 Circuit arrangement for controlled power supply devices particularly for autoconverters |
| 01/27/1987 | US4639846 Method and compensating device for compensating current oscillations |
| 01/21/1987 | CN85105493A Driving system of alternating current motor |
| 01/20/1987 | US4638417 Power density spectrum controller |
| 01/14/1987 | EP0208204A2 Optically controlled power converting apparatus |