Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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12/31/1997 | WO1997050170A1 Independent load sharing of ac power systems connected in parallel |
12/31/1997 | CN1169213A Method for measuring phase currents in inverter |
12/31/1997 | CN1169054A Conversion device with output modulation circuit |
12/31/1997 | CN1169053A AC/DC converting circuit |
12/31/1997 | CN1169050A Stable ac network able for anti reactive load undulation, and reactive power compensating device |
12/31/1997 | CN1169049A Capacity judging apparatus of capacitor in power converter outputting three level voltage |
12/30/1997 | US5703771 For providing power to a load circuit |
12/30/1997 | US5703767 Apparatus and method to prevent saturation of interphase transformers |
12/30/1997 | US5703459 Driver for an induction motor |
12/30/1997 | US5703438 Line current filter for less than 10% total harmonic distortion |
12/30/1997 | CA2158374C Method and closed-loop control arrangements for the transmission of direct current |
12/29/1997 | EP0814559A2 AC/DC power converter device |
12/24/1997 | WO1997049170A1 Multiplex pulse-width modulation power converter |
12/24/1997 | WO1997049165A1 Gate drive circuit for an scr |
12/24/1997 | CN1168748A Power rectifier circuit |
12/24/1997 | CA2208304A1 A load insensitive power supply |
12/23/1997 | US5701243 High-power factor series resonant rectifier circuit |
12/23/1997 | US5701239 High-voltage direct current transmission installation having a high voltage regulation capability |
12/23/1997 | US5701237 Switching power supply |
12/23/1997 | US5699609 Method of making power substrate assembly |
12/21/1997 | CA2208189A1 Portable emergency response communications system and method |
12/20/1997 | CA2208978A1 Ac/dc power converter device |
12/18/1997 | WO1997048175A1 Improved electrical signal supply |
12/18/1997 | DE19636248C1 Switching load relief method for power IGBT |
12/18/1997 | DE19624117A1 Medium frequency bridge inverter with series oscillatory circuit |
12/17/1997 | EP0813292A2 Power inverter having three or more parallel driven PWM-type power inverting units |
12/17/1997 | EP0813284A2 Process for stabilizing of an AC network against reactive power fluctuations and reactive power compensating apparatus |
12/17/1997 | EP0812488A2 Integrated driver for half-bridge circuit |
12/17/1997 | EP0812487A1 Protective circuit for series-connected power semiconductors |
12/17/1997 | EP0601091B1 Resonance mode converter with a series-parallel resonance |
12/17/1997 | CN2271068Y 逆变器 Inverter |
12/17/1997 | CN2271067Y Outer bridge self-exciting starting thyristor parallel inverter |
12/17/1997 | CN1168202A Circuit arrangement |
12/17/1997 | CN1168016A System networking electric generator |
12/17/1997 | CN1036749C Inverter apparatus for electric rolling stock |
12/16/1997 | US5699241 Switching power source unit |
12/16/1997 | US5699240 For driving a polyphase ac motor by power from a power supply |
12/16/1997 | US5699238 Zero voltage switching controller of resonance mode converter and electronic ballast using the same |
12/11/1997 | WO1997047071A1 Electric circuit |
12/11/1997 | WO1997047070A1 Ac/ac converter |
12/11/1997 | CA2255918A1 Ac/ac converter |
12/10/1997 | EP0812055A2 Multi-Level Inverter |
12/10/1997 | EP0811901A2 Voltage rectifying and smoothing circuit |
12/10/1997 | EP0811522A2 Multi-current traction system and method |
12/10/1997 | EP0606501B1 Power regeneration system |
12/10/1997 | CN1167055A Multiple power sources supplied propulsion system and realizing method |
12/04/1997 | WO1997045921A2 Electromagnetic device |
12/04/1997 | WO1997045907A2 Rotating electrical machine plants |
12/04/1997 | WO1997045848A1 A dc transformer/reactor |
12/04/1997 | WO1997045847A1 Transformer/reactor |
12/04/1997 | DE19722175A1 Drive system for electric vehicle |
12/04/1997 | DE19719490A1 Durchflußleistungswandler Durchflußleistungswandler |
12/04/1997 | CA2256535A1 Rotating electrical machine plants |
12/04/1997 | CA2256469A1 Transformer/reactor |
12/04/1997 | CA2256347A1 Electromagnetic device |
12/04/1997 | CA2255742A1 A dc transformer/reactor |
12/03/1997 | EP0810713A2 Apparatus and method for detecting an inverter islanding operation |
12/03/1997 | EP0809876A2 Series-compensated converter station |
12/03/1997 | EP0724791B1 Converter circuit |
12/03/1997 | CN1036625C Electric power conversion equipment |
12/03/1997 | CN1036624C Method for setting up operating constant of diverting apparatus |
12/02/1997 | US5694311 Power supply system |
12/02/1997 | US5694307 Integrated AC/DC and DC/DC converter |
12/02/1997 | US5694306 Method and device for control of a series-compensated converter station |
12/02/1997 | US5694025 Battery charger with control circuit |
11/27/1997 | WO1997044889A1 Converter with modular construction |
11/27/1997 | WO1997044888A1 Drive device for roll stands |
11/27/1997 | WO1997044887A1 Inverter system |
11/27/1997 | WO1997044886A1 Air-cooled inverter in the megawatt range |
11/27/1997 | DE19711016A1 Umrichter mit modularem Aufbau Inverter with a modular structure |
11/27/1997 | DE19654912A1 Rectifier circuit for LV inputs e.g. for signal- or location- systems |
11/27/1997 | DE19639962A1 Antriebseinrichtung fü Walzgerüste Drive means fo rolling mills |
11/27/1997 | DE19636094A1 Luftgekühlter Umrichter im Megawattbereich Air-cooled inverter in the megawatt range |
11/27/1997 | DE19620442A1 Unrichtersystem Unrichtersystem |
11/26/1997 | EP0809292A2 Power transistor module |
11/26/1997 | EP0808505A1 Cryogenic electronics power supply |
11/26/1997 | EP0746809A4 Electronic ballast with low harmonic distortion |
11/26/1997 | EP0653115B1 Polarity reversing dc power supply for remotely located equipment |
11/26/1997 | CN1166087A Method and apparatus for compensating voltage drror caused by dead time of motor driving inverter |
11/26/1997 | CN1166082A Converter |
11/26/1997 | CN1166081A Switched-mode power supply |
11/26/1997 | CN1166078A Output voltage compensating circuit |
11/26/1997 | CN1166077A Supply circuit of two-wire wide phase angle light and speed regulating controller |
11/26/1997 | CN1036512C Electric power conversion device for alternating electric car |
11/26/1997 | CN1036508C Consumable electrode D.C. ARC welder |
11/25/1997 | US5691891 In a power supply |
11/25/1997 | US5691607 Modular high power modulator |
11/25/1997 | US5691603 Electronic ballast with multiple lamp loads |
11/25/1997 | US5691577 Reflector-pump network for preempting AC power supply harmonic distortion and for satiating the complex harmonic power demand of a rectifier |
11/25/1997 | US5691556 Step-up semiconductor integrated circuit and electronic equipment using the semiconductor integrated circuit |
11/25/1997 | CA2051017C Ac/dc power converting apparatus |
11/20/1997 | WO1997043823A1 Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp |
11/20/1997 | DE19654911A1 Oscillator with feed back amplifier and tuner circuit |
11/20/1997 | DE19620127A1 Energy supply method for two rail vehicle generating electromagnetic signal marker |
11/19/1997 | EP0808016A1 PWM inverter apparatus |
11/19/1997 | EP0808015A2 Switching power supply |
11/19/1997 | EP0807546A1 Electric vehicle power supply |
11/19/1997 | EP0746899A4 Switching regulator having high current prevention features |
11/19/1997 | CN1165594A Digital pulse width modulator with integrated test and control |
11/19/1997 | CN1165593A Controller for PWM-controlled converter |