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) |
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08/27/1986 | CN85102835A Three phase field-modulated alternator |
08/20/1986 | EP0191178A1 Saturation-monitoring arrangement for a welding device containing a frequency converter |
08/19/1986 | US4607206 Flux control for induction motor drive using load commutated inverter circuit |
08/14/1986 | WO1986004751A1 A.c. power supply systems |
08/13/1986 | EP0190904A2 Series resonant converter |
08/06/1986 | EP0189832A1 Excitation current control for induction motor drive using load commutated inverter circuit |
08/06/1986 | EP0089984B1 Interference suppressing circuit for phase-controlled light dimmers |
07/30/1986 | EP0189211A2 Method for natural commutation piloted by the network or load |
07/23/1986 | CN85107714A Current source conversion apparatus having auto-cutoff devices |
07/22/1986 | US4602200 Alternating current motor drive having current filter |
07/22/1986 | US4602199 Control for induction motor drive using load commutated inverter circuit |
07/22/1986 | US4602198 Induction motor drive using load commutated inverter circuit |
07/22/1986 | CA1208381A1 Apparatus for controlling an a-c power elevator |
07/16/1986 | CN86100229A Self-controlled variable inductor with air gaps |
07/15/1986 | US4600877 Arrangement in transformers |
07/15/1986 | US4600874 Excitation current control for induction motor drive using load commutated inverter circuit |
07/15/1986 | CA1207834A1 Unrestricted frequency changer system and adjustable frequency ac motor drive using such a system |
07/09/1986 | EP0187042A2 Apparatus for operating cycloconverters in parallel fashion |
07/08/1986 | US4599519 Superconducting magnetic energy storage for asynchronous electrical systems |
07/02/1986 | EP0186598A1 Three-phase electric-power supply for an ozone generator |
07/02/1986 | EP0186513A2 Control method for cycloconverter and control apparatus therefor |
07/02/1986 | CA1207022A Current supply apparatus for an a.c. consumer |
07/02/1986 | CA1207017A Control for an electrostatic treater |
07/01/1986 | US4598349 Electronic transformer composed of flyback converters |
06/24/1986 | US4597039 Switched capacitor induction motor drive |
06/24/1986 | CA1206520A1 Starting system for chopper controlled motor- commutated thyristor inverter |
06/18/1986 | EP0184659A1 Mulitplexing apparatus for phase-control circuits |
06/17/1986 | US4595843 Low core loss rotating flux transformer |
06/10/1986 | CA1205851A1 Capacitively ballasted low voltage incandescent lamp |
06/10/1986 | CA1205850A1 Power supply for low voltage incandescent lamp |
06/10/1986 | CA1205849A1 Capacitively ballasted low voltage incandescent lamp |
06/04/1986 | EP0183307A2 Electronic device for feeding an ion pump with two different tensions and for improved measuring of the pressure in said pump |
05/27/1986 | US4591781 Variable control circuit having a predetermined timed output |
05/27/1986 | US4591728 Transformerless power unit |
05/20/1986 | US4590548 A.C. supply converter |
05/20/1986 | CA1204819A1 Power supply |
05/14/1986 | EP0180967A2 Process to operate an inverter producing a low-frequency AC from a DC, and circuit for the application of this process |
05/13/1986 | US4589059 Method of starting a current-fed inverter with self-excitation |
05/06/1986 | US4587591 Power supply for ozone generator |
04/22/1986 | US4584519 For controlling the application of an AC voltage to a load |
04/22/1986 | CA1203567A1 Voltage-controlled, inverter-motor system |
04/22/1986 | CA1203566A1 Control and stabilizing system for damperless synchronous motor |
04/16/1986 | EP0177754A2 Frequency converter apparatus |
04/10/1986 | WO1986002211A1 Current supply circuit of an essentially inductive charge |
04/09/1986 | EP0176779A1 Switch device with two terminals |
04/08/1986 | US4581696 Control method and apparatus for a UFC for minimizing input current distortions |
04/01/1986 | US4580205 Current-type GTO inverter using GTO in its surge voltage clamping circuit |
04/01/1986 | US4580088 Soft-starting phase-control circuit for low voltage load |
03/25/1986 | US4578746 Interlaced pulse-width modulated unrestricted frequency changer system |
03/25/1986 | US4578744 A. C. power converter |
03/19/1986 | EP0174786A2 Solid state power controller with overload protection |
03/18/1986 | CA1202077A1 Apparatus for controlling power consumption in lighting loads and the like |
03/11/1986 | CA1201787A1 Incremental digital converter |
03/04/1986 | US4574341 Current supply apparatus for an A.C. consumer |
03/04/1986 | CA1201478A1 Microprocessor controlled voltage regulation transformer |
02/27/1986 | WO1986001365A1 A dimmer power stage |
02/26/1986 | EP0172254A1 High frequency noise absorbing circuit |
02/25/1986 | US4573113 Surge protection system for a d-c power supply during power-up |
02/20/1986 | EP0155300A4 Current regulator for carpet seaming apparatus. |
02/18/1986 | CA1200838A1 Power supply for low-voltage incandescent lamp and like load |
02/11/1986 | US4570214 Reactive power control cycloconverter |
02/04/1986 | US4568871 Balancing system for limiting voltage imbalance across series-connected capacitors |
01/29/1986 | EP0169756A1 Stabilized electrical-power supply |
01/28/1986 | US4567555 Current-type GTO inverter with surge energy restoration |
01/28/1986 | US4567425 Method of and apparatus for half-cycle-average or R.M.S. load voltage control |
01/28/1986 | US4567375 Soft switch with positive on and off states |
01/28/1986 | CA1199982A1 Three phase square wave welding power supply |
01/22/1986 | EP0169142A1 Static power frequency converter |
01/21/1986 | CA1199680A1 Circuit for reducing harmonics and pulsation in multiplex polyphase rectifying circuits or inverters, respectively provided with interphase reactors |
01/10/1986 | CN85105555A Electronic circuit for regulating voltage and timing and its device |
01/07/1986 | US4563624 Variable speed refrigeration compressor |
01/07/1986 | US4563592 Wall box dimmer switch with plural remote control switches |
12/10/1985 | US4558261 Exclusive plug for artistic table lamps |
12/03/1985 | US4556824 Light-adjustment and switch structure for artistic table lamps |
11/26/1985 | CA1197330A1 Control device for an a.c. elevator |
11/21/1985 | EP0161738A1 Semi-conductor motor control system |
10/29/1985 | US4550285 Load-switching circuit for antiparallel thyristor networks and a tapped transformer |
10/22/1985 | US4549256 Inverter arcing control for a parallel-resonant circuit static frequency changer |
10/09/1985 | EP0157689A1 Adjustable AC voltage generator |
10/08/1985 | US4545464 Apparatus for controlling an A-C power elevator |
10/08/1985 | CA1194929A1 Coordinated load commutated inverter protection system |
10/01/1985 | US4545002 Thyristor voltage limiter for current source inverter |
10/01/1985 | CA1194545A1 Twelve pulse load commutated inverter drive system |
09/25/1985 | EP0155300A1 Current regulator for carpet seaming apparatus. |
09/04/1985 | EP0153751A2 Power converter for AC load |
09/03/1985 | CA1192958A1 Three terminal solid state pilot light |
08/29/1985 | WO1985003813A1 High frequency noise absorbing circuit |
08/27/1985 | US4538220 Adjustable frequency AC motor drive using an unrestricted frequency changer system |
08/20/1985 | US4536835 Direct A.C. to A.C. converter controlled by a data processor |
08/13/1985 | US4535280 Stabilizing circuit for an inverse rectifier motor control |
07/30/1985 | US4532581 Circuit for reducing harmonics and pulsation in multiplex polyphase rectifying circuits or inverters, respectively provided with interphase reactors |
07/16/1985 | US4529925 Reactive power compensating cycloconverter |
07/10/1985 | EP0147490A1 Power supply input system |
07/09/1985 | US4528494 Reverse-phase-control power switching circuit and method |
07/09/1985 | CA1190283A1 Electronic infinite heat control |
07/03/1985 | EP0147097A2 Fiber optic switching device |
07/02/1985 | US4527214 Power inverter with overload protection apparatus |
06/26/1985 | EP0146032A2 Method and apparatus for the conversion of a polyphase voltage system |
06/25/1985 | US4525651 Capacitively ballasted low voltage incandescent lamp |
06/18/1985 | CA1189141A1 Isolated zero phase firing control |