| 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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| 05/08/2002 | EP1203441A1 Radio frequency power source for generating an inductively coupled plasma |
| 05/08/2002 | CN2490748Y Quickly overcurrent protection device for dc-to-ac converter |
| 05/08/2002 | CN1348250A Electric power apparatus and power system |
| 05/08/2002 | CN1084546C Converter with output modulation circuit |
| 05/07/2002 | US6385069 Frequency converter |
| 05/07/2002 | US6385067 Analog/digital PWM control circuit of a winding |
| 05/07/2002 | US6385066 Method and system for detecting a zero current level in a line commutated converter |
| 05/07/2002 | US6385064 Harmonic blocking reactor for nine-phase converter system |
| 05/07/2002 | US6385062 Direct current-supplying circuit for inductances |
| 05/07/2002 | US6385057 Power conversion system and method of power conversion |
| 05/07/2002 | US6385056 Precision switching power amplifier and uninterruptible power system |
| 05/07/2002 | US6385052 Drive unit for electric motors including a circuit board with power distribution bars |
| 05/07/2002 | US6384567 Controller and control method for motor/generator |
| 05/07/2002 | US6384559 Electric power equipment for electric vehicle |
| 05/07/2002 | US6384558 Driving device for motor-driven compressor |
| 05/07/2002 | US6384552 Control apparatus for electric vehicle |
| 05/07/2002 | US6384492 Power semiconductor packaging |
| 05/07/2002 | US6384488 Modular mobile power converter |
| 05/02/2002 | WO2002035703A2 A system and method for grouped gating control logic |
| 05/02/2002 | WO2002035694A1 Portable device with reduced power dissipation |
| 05/02/2002 | US20020051370 Multi-level quasi-resonant power inverter |
| 05/02/2002 | EP1202443A2 Transformer/rectifier for aircraft ground power unit |
| 05/02/2002 | DE10153738A1 Rectifier circuit for converting an n-phase AC voltage into a DC voltage has n bi-directional switching circuits with each switching circuit containing a parallel connection made up of two serial connections. |
| 05/02/2002 | DE10051156A1 Method for medium-frequency transformer power transmission via a transformer linked to primary/secondary independently controlled electronic power converters supplies alternating clock pulses to the converters. |
| 05/01/2002 | CN1347193A 逆变器装置 Inverter means |
| 05/01/2002 | CN1347192A Resonance voltage controlled power converter |
| 05/01/2002 | CN1347182A Uniterruption power supply unit, changer and parallet work type changer |
| 05/01/2002 | CN1347181A Solar cell assembly and electric generating device |
| 05/01/2002 | CN1347179A Electric generating apparatus |
| 05/01/2002 | CN1084079C Output circuit of pulse width modulation inverter |
| 05/01/2002 | CN1084078C Control unit for electric power transformer apparatus |
| 04/30/2002 | US6381161 Low-inductance circuit arrangement |
| 04/30/2002 | US6381158 System and method for monitoring DC link capacitance in three level inverters |
| 04/30/2002 | US6381157 Independent load sharing between parallel inverter units in an AC power system |
| 04/30/2002 | US6381156 Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system |
| 04/30/2002 | US6381154 PWM nonlinear controller with a single cycle response and a non resettable integrator |
| 04/30/2002 | US6381152 Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device |
| 04/30/2002 | US6380715 Electric power system |
| 04/30/2002 | US6380695 Driving device for fluorescent tube |
| 04/30/2002 | US6380617 Electrode terminal connection structure of semiconductor module |
| 04/25/2002 | US20020048181 Method and apparatus for electric power conversion optimized for efficient harmonic elimination |
| 04/25/2002 | US20020047619 Inverter for multi-tube type backlight |
| 04/25/2002 | US20020047614 Fluorescent lamp circuit structure |
| 04/25/2002 | US20020047603 Discharge lamp driving apparatus and lighting fixture using the apparatus |
| 04/25/2002 | US20020047268 Rotating electrical machine plants |
| 04/25/2002 | US20020047000 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source |
| 04/24/2002 | EP1199790A2 Power supply pulse width modulation (PWM) control system |
| 04/24/2002 | EP1198877A1 Electric circuit, in particular for a medium-voltage power converter |
| 04/24/2002 | EP1198876A1 System for controlling the delivery of power to dc computer components |
| 04/24/2002 | CN1346534A Electronic ballasts with current and voltage feedback paths |
| 04/24/2002 | CN1345985A Intelligent sputtering ion pump power source controller |
| 04/23/2002 | US6377482 Device and method for line-voltage dependent thyristor controlled pre-charging of output capacitors in a three-level pulse rectifier system |
| 04/23/2002 | US6377479 Power conversion system |
| 04/23/2002 | US6377109 Load driver circuit |
| 04/23/2002 | US6377107 Fast turn-off circuit arrangement |
| 04/23/2002 | US6377087 Driving scheme for bipolar transistors |
| 04/23/2002 | US6376935 Method and device for controlling switches in a control system with variable structure, with controllable frequency |
| 04/18/2002 | WO2002031966A2 Class e/f switching power amplifiers |
| 04/18/2002 | WO2002031956A1 A method for controlling a vsc-converter and a vsc-converter |
| 04/18/2002 | WO2002031955A1 A resonant converter |
| 04/18/2002 | WO2002031952A1 Improved distribution of space-vector pwm conduction losses |
| 04/18/2002 | WO2002031943A2 System and method for highly phased power regulation |
| 04/18/2002 | WO2000070736A9 Method and apparatus for converting a dc voltage to an ac voltage |
| 04/18/2002 | US20020044472 Distribution of space-vector PWM conduction losses |
| 04/18/2002 | US20020044471 Transformerless AC/DC converting control circuit |
| 04/18/2002 | US20020044466 Voltage converter circuit with self-oscillating half-bridge configuration and with protection against hard switching |
| 04/18/2002 | US20020044461 Soft-switched full-bridge converters |
| 04/18/2002 | US20020044460 Converter system for increasing a DC voltage |
| 04/18/2002 | DE10109100C1 Perforating strip material involves controlling frequency applied to discharge electrodes depending on detected presence or absence between electrodes of dielectric foil to be perforated |
| 04/17/2002 | EP1198058A1 Single-phase converter, converter and refrigeration cycle device |
| 04/17/2002 | EP1196983A1 A vsc-converter |
| 04/17/2002 | EP1196982A1 Universal switched power converter |
| 04/17/2002 | CN1345120A Apparatus and method for driving mechanical device |
| 04/17/2002 | CN1345115A Back conductive grid commutation thyrislor and its application |
| 04/17/2002 | CN1345114A Production method of phase-based pulse width modulated sinusoidal voltage waveform data |
| 04/17/2002 | CN1083170C DC power supply device and air conditioner |
| 04/16/2002 | US6373790 Overcharge prevention method, changing circuit, electronic device and timepiece |
| 04/16/2002 | US6373735 AC-DC converter with reduced energy loss through a switching element |
| 04/16/2002 | US6373734 Power factor correction control circuit and power supply including same |
| 04/16/2002 | US6373732 Apparatus and method for parallel synchronous power converters |
| 04/16/2002 | US6373731 Surge voltage suppressed power inverter using a voltage driven switching element |
| 04/16/2002 | US6373729 Electric power source apparatus including electric power converter circuit and method for controlling the same |
| 04/16/2002 | US6373728 Frequency converter with an intermediate buck-boost converter for controlling an electric motor |
| 04/16/2002 | US6373722 Power supply system for providing an auxiliary output voltage |
| 04/16/2002 | US6373232 Power supply device for image forming apparatus, and image forming apparatus using the same |
| 04/16/2002 | US6373219 Motor control system and motor control method |
| 04/11/2002 | WO2002030161A2 Voltage feed push-pull resonant inverter for lcd backlighting |
| 04/11/2002 | US20020042902 Method for designing power supply circuit and semiconductor chip |
| 04/11/2002 | US20020041505 Power converting apparatus, control method thereof, and generator |
| 04/11/2002 | DE10144850A1 Self-regulated current supply circuit operates as power factor control circuit for optimization of power factor |
| 04/11/2002 | DE10048404A1 Synchrongleichrichterschaltung A synchronous rectifier circuit |
| 04/11/2002 | DE10048146A1 Spannungsversorgung für Röntgengenerator Power supply for X-ray generator |
| 04/11/2002 | DE10048040A1 Oscillation circuit for generating electrical energy from magnetic field has capacitance element provided by series capacitors with capacitance ratio determining output voltage |
| 04/10/2002 | EP1195886A1 Backward conducting gate commutated thyristor and application thereof |
| 04/10/2002 | EP1195885A1 Synchronuous rectifyer circuit |
| 04/10/2002 | EP1195884A2 Electric power conversion/inversion apparatus |
| 04/10/2002 | EP1057089A4 Single inverter with dual boost |
| 04/10/2002 | CN1344056A Power supply and computer device with it |
| 04/10/2002 | CN1082708C Voltage lowering device and asynchronous traction system supplied from single-phase mains supply incorporating device of this kind |
| 04/09/2002 | US6370050 Isolated and soft-switched power converter |