| 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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| 04/10/2007 | US7202640 Power factor improving circuit |
| 04/10/2007 | US7202628 Frequency converter, motor, motor drive system and maintenance method for motor drive system |
| 04/10/2007 | US7202622 Method for controlling an electric motor to reduce EMI |
| 04/10/2007 | CA2415235C A power system for producing a regulated dc output voltage |
| 04/05/2007 | WO2007037977A2 Multiple inverter system with single controller and related operating method |
| 04/05/2007 | WO2007037105A2 Ac voltage output apparatus and hybrid vehicle including the same |
| 04/05/2007 | US20070076458 Timing control circuit for lossless switching converter |
| 04/05/2007 | US20070076457 Self-driven synchronous rectification and voltage stabilization circuit |
| 04/05/2007 | US20070076456 Constant voltage circuit for power adapter |
| 04/05/2007 | US20070076445 Power converter |
| 04/05/2007 | US20070075587 Power converting apparatus for fuel cell and method thereof |
| 04/05/2007 | US20070075585 Inverter apparatus |
| 04/05/2007 | DE102005046413A1 Electroporation of agricultural produce, especially sugar beet, to improve juice yield, is carried out using intensive high tension impulses produced with multi-stage Marx generator |
| 04/05/2007 | DE102005046379A1 Wechselrichter für zwei Gleichstromquellen und Verfahren zum Betrieb des Wechselrichters Inverter for two DC sources and methods for operation of the inverter |
| 04/05/2007 | DE102005045345A1 Drive device for an active rectifier circuit has a comparator with a reference voltage input and first and second supply inputs |
| 04/05/2007 | DE102005045090A1 Verfahren zur Steuerung eines mehrphasigen Stromrichters mit verteilten Energiespeichern Method for controlling a polyphase converter with distributed energy stores |
| 04/04/2007 | EP1770851A2 Junction temperature prediction method and apparatus for use in a power conversion module |
| 04/04/2007 | EP1770850A1 Systems of parallel operating power electronic converters |
| 04/04/2007 | EP1770849A2 Switching power supply unit |
| 04/04/2007 | CN2886914Y Compound AC/DC power supply device |
| 04/04/2007 | CN1943100A 电源装置 Power supply unit |
| 04/04/2007 | CN1943098A 电压调节电路 Voltage regulating circuit |
| 04/04/2007 | CN1942280A 焊接机 Welding machine |
| 04/04/2007 | CN1941593A Switching power supply circuit |
| 04/04/2007 | CN1941592A Method and device for inhibiting resonance peak |
| 04/04/2007 | CN1941591A Power conversion apparatus and method for fuel cell |
| 04/04/2007 | CN1941590A DC-AC converter for inhibiting surge current dynamically |
| 04/04/2007 | CN1941589A 电功率转换器电路 Electric power converter circuit |
| 04/04/2007 | CN1941588A Ac至dc转换器电路 Ac to dc converter circuit |
| 04/04/2007 | CN1941587A Bridge-less bidirectional forward version converter |
| 04/04/2007 | CN1941586A Energy effective switching power supply apparatus and energy effective method thereof |
| 04/04/2007 | CN1941575A Double-output power supplier |
| 04/04/2007 | CN1940719A Grey mask and method for making it |
| 04/04/2007 | CN1309156C Switch type power converter |
| 04/04/2007 | CN1309155C Switch power circuit and converter |
| 04/04/2007 | CN1308860C Computer system and adapter conserving battery power and method thereof |
| 04/04/2007 | CN1308162C Trolley controller |
| 04/03/2007 | US7200018 Charging of a filter capacitor in the intermediate circuit of a frequency converter |
| 04/03/2007 | US7200017 Controller and driving method for supplying energy to display device circuitry |
| 04/03/2007 | US7200012 Circuit utilizing a push-pull pulse width modulator to control a full-bridge inverter |
| 04/03/2007 | US7200007 Power stack |
| 04/03/2007 | US7199987 Diode system having zener diodes and a generator |
| 04/03/2007 | US7199637 Rectifier circuit without alternating-current feedback |
| 04/03/2007 | US7199636 Active diode |
| 04/03/2007 | US7199622 Interleaving control type inverter |
| 04/03/2007 | US7199537 Voltage converter control apparatus, and method |
| 03/29/2007 | WO2007035360A1 Apparatus for and method of ups operation balancing the dc system |
| 03/29/2007 | WO2007035216A1 Load resonant type power supply for ozonizer |
| 03/29/2007 | WO2007034544A1 Excessive-temperature detection system of motor controller |
| 03/29/2007 | WO2007033850A1 Control process for redundancy use in the event of a fault of a polyphase power converter having distributed energy stores |
| 03/29/2007 | WO2007033620A1 Control method for transmitting direct current |
| 03/29/2007 | WO2007033619A1 Control method for direct current transmission by means of several power converters |
| 03/29/2007 | WO2007033502A1 Reactive power compensation device |
| 03/29/2007 | WO2007033501A1 Reactive power compensation device |
| 03/29/2007 | WO2005120202A3 Low switching frequency power factor correction circuit |
| 03/29/2007 | US20070072359 Semiconductor device, the method of manufacturing the same, and two-way switching device using the semiconductor devices |
| 03/29/2007 | US20070070680 Electric circuit |
| 03/29/2007 | US20070070667 Multiple inverter system with single controller and related operating method |
| 03/29/2007 | US20070070666 Cellular inverter with reduced switching distortion |
| 03/29/2007 | US20070070665 Q-boosting circuit |
| 03/29/2007 | US20070070663 Method and related circuit for protection against malfunctioning of the feedback loop in switching power supplies |
| 03/29/2007 | US20070070661 Logic circuitry powered by partially rectified ac waveform |
| 03/29/2007 | US20070070657 Switching power source device |
| 03/29/2007 | US20070070560 Method for estimating dc motor coil temperature, dc motor control method and their devices |
| 03/29/2007 | US20070069520 Power converter |
| 03/29/2007 | US20070069287 Insulated gate transistor incorporating diode |
| 03/29/2007 | DE202006019141U1 Leistungselektronikvorrichtung Power electronics device |
| 03/29/2007 | DE10302602B4 Wechselrichter für einen Wechselstrom-Generator-Motor Inverter for an AC generator-motor |
| 03/29/2007 | CA2623263A1 Control method for direct-current transmission |
| 03/29/2007 | CA2623262A1 Control method for direct current transmission by means of several power converters |
| 03/29/2007 | CA2623157A1 Method for controlling a multiphase power converter having distributed energy stores |
| 03/29/2007 | CA2623155A1 Control process for redundancy use in the event of a fault of a polyphase power converter having distributed energy stores |
| 03/28/2007 | EP1768244A1 Snubber circuit and power semiconductor device having snubber circuit |
| 03/28/2007 | EP1768243A1 Inverter device |
| 03/28/2007 | EP1767434A2 Motor vehicle steering system |
| 03/28/2007 | EP1766771A1 Quenching device for a converter bridge with line regeneration |
| 03/28/2007 | EP1766767A1 Method for operating an inverter, and arrangement for carrying out said method |
| 03/28/2007 | EP1766766A2 Anharmonic low-current ac-dc converter |
| 03/28/2007 | EP1766764A1 Method for switching low-power using ac and system for performing the same and power supply for using the system |
| 03/28/2007 | EP1766750A1 Bi-directional energy conversion system |
| 03/28/2007 | EP1766491A1 Output power factor control of pulse-width modulated inverter |
| 03/28/2007 | EP0829099B1 Bidirectional blocking accumulation-mode trench power mosfet |
| 03/28/2007 | CN2884687Y Reversible converter based on DSP control |
| 03/28/2007 | CN2884686Y Power cell auxiliary power source starting circuit of high voltage converter |
| 03/28/2007 | CN2884685Y Magnetron conversion power source of microoven |
| 03/28/2007 | CN2884684Y Diode clamp type three-level semi-bridge converter |
| 03/28/2007 | CN1938933A Non-contact electric power supply equipment |
| 03/28/2007 | CN1938932A Discontinuous mode PFC controller with energy-saving modulator and its operating method |
| 03/28/2007 | CN1938931A Soft switch power converter with power-saving member |
| 03/28/2007 | CN1938919A Capacitor control system |
| 03/28/2007 | CN1937685A Mobile phone robbing-proof device |
| 03/28/2007 | CN1937434A Power line network device concurrently with power supply function |
| 03/28/2007 | CN1937387A SPWM pulse generating and distributing circuit for pure sine wave inverter |
| 03/28/2007 | CN1937386A Method and apparatus for fault detection in a switching power supply |
| 03/28/2007 | CN1937382A Zero-voltage switch combined full-bridge three-level direct current converter |
| 03/28/2007 | CN1937381A Zero-voltage switch full-bridge direct current converter |
| 03/28/2007 | CN1937380A Zero-voltage switch half-bridge three-level direct current converter |
| 03/28/2007 | CN1937377A Control circuit for reducing inverse current for synchronous rectifier |
| 03/28/2007 | CN1307783C Motor control system |
| 03/28/2007 | CN1307779C Conversion device and its idle time compensation method |