| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
|---|
| 09/03/1992 | WO1992015052A1 Phase-controlled power modulation system |
| 09/03/1992 | DE4106317A1 Phase chopping control for LV lamp - has frequency divider provided by counter with programmed count value |
| 09/02/1992 | EP0500738A1 Dc/dc power transformer |
| 09/01/1992 | US5144520 Power solenoid drive circuit with switch bounce rejection |
| 08/27/1992 | WO1992015051A1 Shunt coil controlled transformer |
| 08/27/1992 | DE4106043A1 cascaded converter circuit using AC generators - with rotor and stator convector to generate high voltage output |
| 08/27/1992 | DE4105162A1 Regulating system for at least one collectorless electric servomotor - uses pulse width modulated signal with rectifier unit connected at input side to AC voltage source and DC voltage intermediate circuit and inverters |
| 08/27/1992 | CA2080461A1 Shunt coil controlled transformer |
| 08/26/1992 | EP0314669B1 Switched capacitor induction motor drive |
| 08/26/1992 | CN2114218U Electronic timing universal switch |
| 08/26/1992 | CN1063978A Circuit arrangement for supplying load |
| 08/18/1992 | CA1306515C Asynchronous operation of cycloconverter with improved voltage gain by employing a scalar control algorithm |
| 08/13/1992 | DE4115085C1 Output control circuit for electric consumer load - has current supply galvanically separated from consumer circuit |
| 08/12/1992 | EP0497783A1 Variable speed ac drive control. |
| 08/12/1992 | CN2112906U Electronic multi-function socket |
| 08/12/1992 | CN2112905U Miniature electronic speed, light adjustabe device |
| 08/05/1992 | CN2112229U Electromagnetic frequency splitting soft wind ceiling fan speed governer |
| 08/05/1992 | CN1063382A Method and apparatus for elimination or reduction of harmonic and/or resonance |
| 08/04/1992 | US5136494 Power conversion system with instantaneous real power feedback control |
| 08/04/1992 | US5135725 Ozone generator equipment and methods |
| 07/29/1992 | EP0496654A1 Dimmer for a load, with minimal filtering losses |
| 07/29/1992 | EP0496549A2 Power control system adaptable to a plurality of supply voltages |
| 07/29/1992 | EP0496339A2 Welding control of a multi-point welding system |
| 07/29/1992 | CN2111599U Touch electronic voltage-adjusting switch |
| 07/29/1992 | CN2111590U Multi-purpose electronic adjusting unit |
| 07/26/1992 | CA2057148A1 Power control system adaptable to a plurality of supply voltages |
| 07/23/1992 | DE4101437A1 Direct converter control system for operating linear motor drive - has processor to determine firing angle of converter thyristors to achieve maximum output condition |
| 07/22/1992 | CN2110954U Universal regulated power supply with positive-and-negative symmetry output |
| 07/22/1992 | CN2110953U Safety ac isolation electric source |
| 07/21/1992 | US5132599 Velocity control apparatus |
| 07/21/1992 | US5131167 Method and apparatus for drying transformer parts |
| 07/15/1992 | EP0292512B1 Static power conversion method and apparatus |
| 07/15/1992 | CN2110316U Continous adjustable electronic voltage regulator for output voltage |
| 07/15/1992 | CN2110315U Household high-power electronical equipment temp. controllor |
| 07/14/1992 | US5130628 Transformer providing two multiple phase outputs out of phase with each other, and pumping system using the same |
| 07/14/1992 | CA1305215C Three-phase converter |
| 07/08/1992 | CN2109660U Two phase ac electronic voltage regulator |
| 07/08/1992 | CN2109646U Electronic adjusting control multi-purpose plug board |
| 07/07/1992 | US5128853 Damping resonant oscillations in a parallel resonant inverter |
| 07/07/1992 | US5128593 Power supply for gas-filled lamps |
| 07/07/1992 | CA1304779C Power converter |
| 07/01/1992 | EP0492715A2 Inverter device |
| 07/01/1992 | EP0491862A1 Regulated ac power system energized by variable speed prime mover |
| 07/01/1992 | CN2109005U Timed controllable power supply |
| 06/30/1992 | US5126585 Uninterruptible power supplies |
| 06/30/1992 | CA1304445C Power control system |
| 06/24/1992 | CN2108377U Voltage regulator |
| 06/24/1992 | CN2108376U Capacitance speed-, light-modulating device |
| 06/17/1992 | EP0490388A2 Ground fault detector for an inverter and a method therefor |
| 06/17/1992 | EP0489948A1 Method and device for the elimination or reduction of harmonics and/or resonance oscillations |
| 06/17/1992 | EP0489947A1 Turn-off circuit |
| 06/10/1992 | EP0489462A2 Improved system for triac trigger control in combination with a sensing element |
| 06/03/1992 | EP0488478A2 Inverter device |
| 06/03/1992 | EP0488201A1 Large capacity variable speed driving system for AC electric motor |
| 06/03/1992 | EP0487970A2 Power conversion system, method for controlling the same, and uninterruptible power supply using the same |
| 06/03/1992 | EP0343202B1 Control circuit for triacs |
| 06/03/1992 | CN2106441U Differential electromagnetic voltage regulator |
| 06/03/1992 | CN1061684A Efficient inductive ac frequency convertor |
| 06/02/1992 | US5118993 Variable voltage regulator |
| 06/02/1992 | CA1302484C Regenerative two-quadrant converter and motor drive embodying the same |
| 05/30/1992 | WO1992009943A1 Solid state current controlled interruption system |
| 05/27/1992 | EP0487204A2 Variable voltage regulator |
| 05/27/1992 | EP0486875A2 Power supply controlled to supply load current formed as sine wave |
| 05/21/1992 | DE4104273C1 Interference suppression circuit for no=voltage circuit breaker - evaluates supply control signal only during zero transition of supply voltage and stores control value in memory |
| 05/20/1992 | EP0486130A2 Single phase AC power conversion apparatus |
| 05/06/1992 | EP0483486A2 Three phase delta reference transformer |
| 05/06/1992 | CN2103870U Temp regulator for household electric stove |
| 05/05/1992 | US5111373 Pwm-controlled power supply including choke coil with 3-windings |
| 04/30/1992 | DE4034723A1 Early recognition of trouble in mains=connected inverters - comparing absolute DC and difference between DC and AC side currents with permissible limits |
| 04/29/1992 | CN1060749A Parallel contravariant crystal shutter transistor medium frequency direct autoexcitation circuit |
| 04/28/1992 | US5109327 Electronic system and method for supplying power to single-phase loads using a three-phase power supply |
| 04/28/1992 | CA1299641C Cycloconverter drive utilizing a dual stator motor |
| 04/22/1992 | EP0481456A2 Power conversion apparatus |
| 04/22/1992 | EP0172254B1 High frequency noise absorbing circuit |
| 04/22/1992 | CN1016389B Method of using 220 volt single-phase induction regulator for 380 volt power system |
| 04/21/1992 | US5107410 Multi-phase and shifted phase power distribution systems |
| 04/15/1992 | EP0211881B1 A.c. power supply systems |
| 04/15/1992 | CN2101885U Ac excitation frequency doubler power supply apparatus with rotor |
| 04/15/1992 | CN1060374A Loading voltage regulation method and apparatus for combined main transformer |
| 04/15/1992 | CN1016305B Single-phase frequency conversion circuit |
| 04/14/1992 | CA1298871C Load control system |
| 04/08/1992 | CN2101344U Single phase voltage regulator |
| 04/08/1992 | CN2101338U Protector for charging accumlator |
| 04/07/1992 | US5103390 AC load simulator |
| 04/07/1992 | CA1298614C Power supply |
| 04/07/1992 | CA1298612C Voltage regulation for three-phase inverter |
| 04/01/1992 | EP0191838B1 A dimmer power stage |
| 04/01/1992 | CN2100708U Flame-proof voltage regulator without interference |
| 03/25/1992 | CN2100073U Electricity-saving adjustable light switch |
| 03/25/1992 | CN2100023U Light variable electricity-saving switch |
| 03/25/1992 | CN1059809A Power supply changing device for electronic products |
| 03/24/1992 | US5099410 Single phase ac power conversion apparatus |
| 03/18/1992 | EP0475345A2 AC/DC power converting apparatus |
| 03/18/1992 | CN2099412U Delay switch with current limiting function |
| 03/18/1992 | CN1059624A Control converter of permament-magnet generator |
| 03/12/1992 | DE4128803A1 Static frequency changer with rectifier connected to AC mains - has DC voltage intermediate circuit connected to rectifier and inverters mounted on cooler |
| 03/11/1992 | EP0474060A2 Four quadrant AC converter |
| 03/11/1992 | CN2098757U High-power single-phase phaseshiftting electronic voltage regulator |
| 03/10/1992 | CA1297150C Cross tie for induction motor drive |
| 03/04/1992 | EP0472905A2 Three phase to single phase converter |