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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12/27/1983 | US4423461 Power supply for corona discharge treatment system |
12/20/1983 | US4422138 Power supply for low-voltage load |
12/06/1983 | US4419619 Microprocessor controlled voltage regulating transformer |
11/29/1983 | US4418380 Method and apparatus for controlling the circulating current of a cycloconverter |
11/16/1983 | EP0094166A1 Lighting control system |
11/15/1983 | US4415848 Alternating current power source apparatus for car |
11/15/1983 | US4415838 Frequency converter for supplying an electrodeless discharge lamp |
11/01/1983 | US4413216 Static frequency changer for feeding synchronous machines |
10/18/1983 | US4410839 Apparatus for controlling power consumption in lighting loads and the like |
10/18/1983 | US4410838 Apparatus for controlling power consumption in lighting loads and the like |
10/11/1983 | CA1155235A1 Circuit system for lighting discharge lamp or lamps |
10/05/1983 | EP0089984A1 Interference suppressing circuit for phase-controlled light dimmers. |
09/20/1983 | US4405888 Adapter for intermediary circuit of a static converter assembly |
08/31/1983 | EP0087115A1 Power and control apparatus of a synchronous machine running variable speed |
08/30/1983 | CA1153063A1 Ac motor drive system having clamped command error signal |
08/24/1983 | EP0086641A2 Three phase square wave welding power supply |
08/23/1983 | US4400629 Delta-star connection |
08/23/1983 | CA1152561A1 Converters |
08/16/1983 | US4399395 Line-to-line voltage reconstruction for synchronizing thyristor power converter |
08/16/1983 | CA1152151A1 Shootthrough fault protection system for a voltage source transistor inverter |
08/10/1983 | EP0085338A1 Device for determining the common frequency of two independently variable alternating values, in particular in a rotating field machine |
08/02/1983 | US4396869 Time responsive variable voltage power supply |
07/26/1983 | US4395660 Lamp dimmer circuit utilizing opto-isolators |
07/26/1983 | CA1150800A1 Field effect transistor switched temperature control circuit |
07/20/1983 | EP0083866A2 An A.C. supply converter |
07/19/1983 | US4394720 Auto-stabilized high power electric generator especially adapted for powering processes involving discharge in a rarefied gaseous atmosphere |
07/06/1983 | EP0083012A1 Method and system for controlling output voltage of pulse width modulation inverter |
07/05/1983 | CA1149456A1 Frequency multiplication |
06/28/1983 | US4390941 Static magnetic frequency multiplies |
06/28/1983 | US4390938 Cycloconverter apparatus with controllable end stop firing pulse control means |
06/22/1983 | EP0081723A1 Device for the control of the output voltage of a polyphase cycloconverter |
06/15/1983 | EP0020725B1 Phase control arrangement to limit output signal transients during power source substitution in an uninterruptible power supply |
05/18/1983 | EP0078923A1 Method of operating an intermediate circuit inverter, and circuit arrangement for carrying out the method |
05/18/1983 | EP0078908A2 Regulation transformer |
05/04/1983 | EP0078117A2 Inverter circuit |
04/14/1983 | WO1983001363A1 Deparasiting circuit in a light intensity regulator operating according to the phase breakdown principle |
04/13/1983 | EP0076510A2 Spray gun |
04/05/1983 | US4379325 System for bridging brief network failures |
03/23/1983 | EP0074790A1 Plastic treater |
03/15/1983 | US4376911 Circuit system for lighting a discharge lamp or lamps |
03/08/1983 | CA1142584A1 Inverter system including commutation failure prevention scheme |
02/23/1983 | EP0072527A2 Variable speed constant frequency power converter with two modes of operation |
02/23/1983 | EP0072526A1 AC to AC power converter with a controllable power factor |
02/15/1983 | CA1141133A1 Method of curing phenolic resin in an electrical apparatus without degrading polyethyleneterephthalate insulation also in the electrical apparatus |
02/01/1983 | US4371920 Polyphase frequency converter with individually current-regulated outputs |
01/18/1983 | US4369377 Current control device |
01/18/1983 | CA1139839A1 Simple method of switching an ac line |
01/11/1983 | US4368419 Power supply and method utilizing applied current for increased hysteresis swing in transformer core |
12/21/1982 | CA1138037A1 Rectifier-type ac motor speed control |
12/08/1982 | EP0066191A1 Control device of a static AC-AC converter with thyristors to supply variable frequency current to a synchronous rotating machine |
12/08/1982 | EP0066115A2 Electronic circuit for controlling the supply voltage of electromagnets, electric motors, resistors, in single- and three-phase systems |
12/07/1982 | CA1137165A1 Phase angle balancing circuit for a variable speed constant frequency power system |
11/30/1982 | US4361798 System for extending the voltage range of a phase-fired triac controller |
11/23/1982 | US4360743 Solid state control device for gradually turning on and off an electrical load |
11/23/1982 | US4360740 Low voltage switching circuit for controlling a high voltage electrical load |
11/23/1982 | CA1136215A1 Power supply and control circuit for series connected controller |
11/17/1982 | EP0064498A1 Electrical switching device |
11/10/1982 | EP0064450A1 Self adjusting method and apparatus for actuating a triac |
11/09/1982 | US4358730 AC Power control circuit |
11/09/1982 | US4358729 Thyristor driver controller for reactive loads and method of operation thereof |
11/03/1982 | EP0063745A2 Regulating device for a self piloted inverter with an intermediate D.C. circuit |
10/26/1982 | CA1134435A1 Method and control for maintaining optimum performance of hvdc power transmission systems at rectifier end during a.c. system fault |
10/26/1982 | CA1134434A1 Electrical energy conversion system with bilateral switch |
10/19/1982 | US4355242 Voltage regulating system |
10/19/1982 | CA1133988A1 Apparatus for controlling the power supplied to a load |
10/12/1982 | CA1133579A2 Power supply for a high density discharge or fluorescent lamp |
10/05/1982 | US4353025 Phase controlled voltage reducing circuit having line voltage compensation |
09/29/1982 | EP0061028A2 Control circuit |
09/28/1982 | US4352156 AC to AC Power converter with a controllable power factor |
09/28/1982 | US4352155 Variable speed constant frequency power converter with two modes of operation |
09/14/1982 | US4349867 Control apparatus for a cycloconverter |
08/17/1982 | US4345200 Load output level control circuit |
08/10/1982 | CA1129496A1 Power supply and control circuit for series connected controller |
07/20/1982 | CA1128126A1 Circuit arrangement for producing reactive currents rapidly variable in magnitude and curve shape, and control and regulating units therefor |
07/13/1982 | US4339783 Alternating current corona discharge apparatus |
06/29/1982 | US4337430 Inductive-load power control circuit |
06/08/1982 | US4334171 Light dimmer switch having remote load current switching |
06/01/1982 | US4333138 Power supply for load controller |
06/01/1982 | US4333134 Converters |
05/25/1982 | US4331994 Shootthrough fault protection system for a voltage source transistor inverter |
05/25/1982 | US4331914 Load control and switching circuits |
05/19/1982 | EP0051638A1 Automatic fault protection system for power recovery control |
05/18/1982 | US4330817 Process and system for controlling the energization of a load |
05/18/1982 | CA1123907A1 Frequency inverter |
05/04/1982 | US4328528 Two-wire condition control circuit means |
05/04/1982 | US4328454 Apparatus for controlling ac motor |
04/21/1982 | EP0049839A2 Method of inducing dynamic firing-angle reliability in a line-conducted converter |
04/20/1982 | US4326246 Circuit arrangement of an inverted current rectifier with self commutation |
04/06/1982 | US4323845 Power regulating apparatus including load current sensor means |
03/23/1982 | US4321508 Load control and switching circuits and remote/local control systems using such circuits |
03/23/1982 | CA1120542A1 Ferroresonant voltage regulator incorporating auxiliary winding for large current magnitudes of short duration |
03/09/1982 | US4319182 Alternating polarity power supply control apparatus |
03/02/1982 | US4318008 Random power controller |
03/02/1982 | US4317975 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time |
02/23/1982 | US4317166 Circuit arrangement for self-commutated inverters |
02/23/1982 | US4317071 Computerized illumination system |
02/23/1982 | CA1118837A1 Converter including oscillatory circuit |
02/18/1982 | WO1982000549A1 Electrical switching device |
02/10/1982 | EP0045468A1 Device for bridging short-time network failures in voltage converters with an intermediate link |
02/10/1982 | EP0045442A2 Inverter with multiphase output having an own current regulation for each phase |