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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03/16/1995 | WO1995007571A1 A.c. controller |
03/16/1995 | CA2171187A1 Ac power controller |
03/08/1995 | EP0642211A2 Power conversion system |
03/08/1995 | EP0642144A1 Device for the transmission of electric power signals to a rotating system |
03/08/1995 | CN2191495Y AC voltage selector |
03/08/1995 | CN2191451Y Mini-conversion power unit |
02/22/1995 | CN2190372Y Electromagnetic harzard eliminater for electric heating mattress |
02/22/1995 | CN1099203A Tandem coding remote control system |
02/15/1995 | EP0638211A1 Electronic power regulator. |
02/15/1995 | CN2189799Y Silicon controlled rectifier stepped temp. regulator |
02/14/1995 | US5389868 Drive control apparatus for driven machine and parameter display method in drive control apparatus for driven machine |
02/09/1995 | WO1995004363A1 Device for transmitting electric power signals to a rotary unit |
02/07/1995 | US5387859 Stepped waveform VSCF system with engine start capability |
02/01/1995 | EP0637127A1 Three-phase electronic inverter for variable speed motor and method of operating same |
02/01/1995 | EP0637121A1 Power converter assembly for the supply of an intermediate DC circuit |
02/01/1995 | CN2188820Y Rapid current-limiting protection A/C electronic voltage regulator |
01/25/1995 | EP0635172A1 Compact and efficient transformerless power conversion system |
01/25/1995 | CN2188258Y Voltage-controlling energy-saving switch |
01/25/1995 | CN2188251Y Electronic power control socket |
01/21/1995 | CA2128479A1 System for converting mechanical energy produced by the engine of a conventional motor vehicle into an electrical current suitable for powering household products |
01/18/1995 | CN2187785Y Electric power changing device for asynchronous power measuring machine |
01/17/1995 | CA2054319C Power supply unit for arc processing |
01/12/1995 | DE4337956C1 Power controller |
01/11/1995 | CN2187353Y Stepless voltage-regulating timer for electrical equipment |
01/11/1995 | CN2187352Y Hand remote-control dual-purpose stepless voltage-regulating multiple-way switch |
01/11/1995 | CN2187351Y Voltage-regulating switch starter |
01/05/1995 | WO1995001084A1 Soft switching circuitry |
01/05/1995 | WO1995001001A1 Converter circuit |
01/04/1995 | CN2186971Y Silicon controlled voltage regulator |
12/28/1994 | EP0631372A1 Power control circuit |
12/28/1994 | CN2186464Y Alternating low-voltage power |
12/22/1994 | DE4322379C1 Circuit arrangement for protection of the semiconductor switches while switching a mains converter bridge, which feeds energy back into an electrical mains system, in a DC intermediate-circuit converter |
12/21/1994 | CN2185949Y Combined application device for high voltage generator |
12/21/1994 | CN2185931Y Multiple lamp type power supply socket |
12/15/1994 | DE4319515A1 Direct converter (cycloconverter) system |
12/14/1994 | CN2185487Y Power unit for electric chain saw |
12/14/1994 | CN1096404A Single phase electropically commutated motor system and method |
12/13/1994 | US5373224 Method and apparatus for varying the power in a load connected to the mains |
12/13/1994 | US5373223 Power converter/inverter system with instantaneous real power feedback control |
12/13/1994 | US5373194 Reactive power control system |
12/11/1994 | CA2098129A1 Power reduction control for inductive lighting installation |
12/07/1994 | EP0627870A2 Method for triggering/regulating at least two parallel resonant circuit converters |
12/07/1994 | CN2185010Y Silicon control high frequency high voltage dc power source |
12/07/1994 | CN2184999Y Integrate full IC thyrister middle frequency electric source device |
12/06/1994 | US5371666 Average current mode control apparatus for an AC output amplifier |
12/01/1994 | DE4316365A1 Control method and control circuit for a frequency converter for starting, rotation-speed adjustment, braking and positioning of three-phase asynchronous motors |
11/30/1994 | CN1095855A 3-phase symmetrically-inputting single phase power supply transformer |
11/23/1994 | CN2183617Y Power control delay socket |
11/22/1994 | US5367448 Three phase AC to DC power converter |
11/15/1994 | US5365162 Light bulb electric life extender having a diactriac combination connecter in parallel with a capacitor |
11/10/1994 | DE4315170A1 Circuit arrangement for influencing inrush current (switching-on current) |
11/09/1994 | EP0623991A1 Dimming device for a load |
11/09/1994 | CN2182505Y Whole-transistor type high frequency electric source apparatus for induction heating use |
11/09/1994 | CN2182489Y Single-key remote-control touching voltage regulator with switch |
11/09/1994 | CN1094872A Device for controlling the variation of the power and/or the speed of a load |
11/08/1994 | US5363035 Phase controlled transformer |
11/06/1994 | CA2122648A1 Power and/or speed control device |
11/02/1994 | EP0621993A1 Power supply |
11/02/1994 | CN2181772Y High power supply for simulation of solar cell array |
11/02/1994 | CN2181771Y 插头式电子变压器 Plug-in electronic transformer |
11/01/1994 | CA1332844C Two wire low voltage dimmer |
10/27/1994 | DE4312764A1 Detection device for identifying the remanence level in the core of a transformer |
10/26/1994 | CN2181105Y Directly pluging type electric winding device |
10/26/1994 | CN2180160Y Ceramic inner pot and electricity saving device used with common electric pot |
10/19/1994 | CN1093839A Universal-current processing machine |
10/18/1994 | US5357419 Compact and efficient transformerless power conversion system |
10/13/1994 | WO1994023482A1 Power factor corrected ups with improved connection of battery to neutral |
10/12/1994 | EP0619643A1 Alternate voltage, adjustable dissymmetric wave feeder, particularly suitable for processes of electrolytic colouring of aluminium, its alloys and the like |
10/12/1994 | CN2179662Y 电子调功器 Electronic power regulator |
10/12/1994 | CN2179661Y Capacity limit electricity saving device |
10/06/1994 | DE4410956A1 Drosselspule für eine Schaltungsanordnung, Wechselrichter mit einer solchen Drosselspule und Verfahren zu ihrer Herstellung Choke coil for a circuit arrangement, the inverter having such a reactor and methods for their preparation |
10/05/1994 | EP0618668A2 Power inverting apparatus |
10/05/1994 | EP0618667A1 Method for controlling a load with A.C. voltage and device to carry out this method |
10/05/1994 | CN2178964Y Special power for multipurpose heating apparatus |
10/05/1994 | CN1093206A Automatic voltage adjusting and capacity controlling method for loaded power transformer |
09/29/1994 | DE4332899C1 Circuit arrangement for detecting the duration of current flow at converter valves |
09/28/1994 | EP0617502A1 Method and circuit arrangement for producing a basis load in an AC circuit |
09/22/1994 | DE4309048A1 Schaltungsanordnung eines Zweidrahtschalters Circuit arrangement of a two-wire switch |
09/21/1994 | CN2178019Y Timing controller for regulating light and speed |
09/21/1994 | CN1092564A AC trasforming, dc transmission transformer |
09/14/1994 | CN2177299Y Multifunction working frequency electric heating petroleumpower source device |
09/14/1994 | CN1092219A AC voltage-regulating device or circuit |
09/13/1994 | US5347443 Inverter apparatus and a restarting method at an instantaneous power failure |
09/07/1994 | EP0614052A2 Automatic ignition device |
09/01/1994 | WO1994019862A1 Electrical damping circuit for damping power signal resonance in a power distribution network |
08/31/1994 | EP0613234A1 Single phase electronically commutated motor system and method |
08/31/1994 | EP0420901B1 Procedure and apparatus for the control of electric power |
08/31/1994 | CN2175984Y Voltage regulater capable of amplifying toggle current at same phase |
08/30/1994 | US5343381 Electrical dampening circuit for dampening resonance of a power signal in a power distribution network |
08/23/1994 | US5340963 Alternating current power source for welding |
08/23/1994 | CA2115854A1 Single phase electronically commutated motor system and method |
08/17/1994 | CN2174804Y Power phase-regulator |
08/10/1994 | CN1090705A Circuit arrangement |
08/10/1994 | CN1090686A AC-AC frequency changer circuit |
07/28/1994 | DE4327162C1 Mains reactive power compensation for inverter-fed sync machine |
07/28/1994 | DE4306345C1 Sinusoidal current set-point modification for direct AC-AC converter |
07/27/1994 | CN1090098A Improved plug-type electronic transformer |
07/19/1994 | US5331537 Method of controlling electric valves of a converter |
07/19/1994 | US5331303 Power transformer for cycloconverters |
07/12/1994 | US5329439 Zero-voltage-switched, three-phase pulse-width-modulating switching rectifier with power factor correction |