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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06/23/2010 | EP2198445A2 Method and system for bypassing a power cell of a power supply |
06/23/2010 | CN201515312U Electromagnetic voltage regulation electricity-saving appliance with function of transient high-voltage suppression |
06/23/2010 | CN201513299U Wind power generating set of non-mechanical speed-increasing gearbox |
06/23/2010 | CN1585250B Lighting device of discharge lamp |
06/23/2010 | CN101754507A Electromagnetic oven circuit based on SoC chip |
06/23/2010 | CN101753044A Three-level midpoint potential balance control method based on zero sequence voltage injection |
06/23/2010 | CN101753043A Single-stage high-power-factor feedback frequency conversion type resonant energy control circuit |
06/23/2010 | CN101753042A Distributed power supply system |
06/23/2010 | CN101753041A Power factor correction circuit and method thereof |
06/23/2010 | CN101753040A Power adaptor |
06/23/2010 | CN101753039A Modular stacked subsea power system architectures |
06/23/2010 | CN101753038A Piezoelectric transformer and driver thereof |
06/23/2010 | CN101753037A High voltage generation device of medical high-frequency high voltage generator |
06/23/2010 | CN101753036A Switching transformer type power electronic module |
06/23/2010 | CN101746283A Electrified railroad homo-phase traction power supply system |
06/22/2010 | US7742321 Measurement of the current of a frequency converter |
06/17/2010 | WO2010067104A1 Overload protection of a voltage reduction device |
06/17/2010 | WO2010066842A2 Component for power supply system |
06/17/2010 | US20100149848 Matrix converter space vector modulation method |
06/17/2010 | US20100149841 Power feedback device |
06/17/2010 | US20100148734 Apparatus for compnsating output voltage |
06/17/2010 | US20100148720 Solar Powered Electrical Energy Generating Device |
06/17/2010 | DE102008053822B3 Vorrichtung und Verfahren zur Speisung eines Abnehmernetzes mit der elektrischen Leistung eines Versorgungsnetzes Apparatus and method for feeding a customer network with the electric power of a supply network |
06/17/2010 | CA2744397A1 Overload protection of a voltage reduction device |
06/16/2010 | EP2197095A2 Power converters |
06/16/2010 | CN201509157U High-voltage deflector for multi-winding wind power generator |
06/16/2010 | CN201509156U Switch power supply |
06/16/2010 | CN201509155U Marine conversion transformer |
06/16/2010 | CN201509154U Device for generating three-phase sine wave |
06/16/2010 | CN101741272A Regulating and controlling method and logic of self-adaption commutation integration of high frequency chain matrix inverter |
06/16/2010 | CN101741260A Power unit and potential device |
06/16/2010 | CN101740211A Voltage regulation and rectification transformer with balance transformer third winding |
06/16/2010 | CN101299588B Three-phase double salient poles permanent magnetism wind power generator system and control method thereof |
06/16/2010 | CN101051792B Nine device AC-to-AC converter |
06/10/2010 | WO2009058680A8 A multi- volt age power supply for a universal airplane ground support equipment cart |
06/10/2010 | US20100142233 Power conversion device and control method thereof |
06/10/2010 | US20100139544 Variable speed drive for subsea applications |
06/10/2010 | DE19960491C5 Vorrichtung und Verfahren zur Regelung des Antriebs einer Fördereinrichtung Apparatus and method for controlling the drive of a conveyor device |
06/10/2010 | DE102009057412A1 Wechselstrom/Gleichstrom-Modulationswandlungssystem und seine Anwendung AC / DC conversion modulation system and its application |
06/09/2010 | EP2194638A2 Modular stacked subsea power system architectures |
06/09/2010 | EP2194637A1 Electronic control systems and methods |
06/09/2010 | EP1740409B1 Power supply system for vehicle with improved energy efficiency and vehicle including the same |
06/09/2010 | EP1728304B1 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method |
06/09/2010 | EP1497913B1 Converter system, method and converter |
06/09/2010 | CN201504178U Bank client-side power supply device |
06/09/2010 | CN201504177U High-voltage generator |
06/09/2010 | CN1957523B Assistant bus system |
06/09/2010 | CN1897431B Switching mode power supply with active load detection and switching method thereof |
06/09/2010 | CN1606395B Drive system and AC conversion apparatus |
06/09/2010 | CN101729014A Converter in double-fed wind generating set |
06/09/2010 | CN101728960A Power circuit |
06/09/2010 | CN101728959A Power-adjusting power supply |
06/09/2010 | CN101728942A Method and device for controlling direct current/direct current power converter with ripple rejection |
06/09/2010 | CN101442262B High integration IGBT converter module |
06/09/2010 | CN101362444B Mixed traction power supply equipment and control method |
06/09/2010 | CN101295886B Active electric power regulating mechanism |
06/09/2010 | CN101206242B Method for controlling voltage and frequency of FM resonance type extra-high voltage test power supply |
06/09/2010 | CN101174814B Stepless gear and method of electric motor |
06/09/2010 | CN101174794B Power supply circuit and control circuit for use in the same |
06/09/2010 | CN101171741B Power transforming apparatus |
06/09/2010 | CN101136582B Control method of DC side-discharging circuit of full power convertor |
06/08/2010 | US7733677 Output power switching vector scaling system and method |
06/08/2010 | US7733676 Non-contact power supply system utilizing synchronized command signals to control and correct phase differences amongst power supply units |
06/08/2010 | CA2562303C Power supply system for vehicle with improved energy efficiency and vehicle including the same |
06/03/2010 | US20100133910 Uninterruptible power supply |
06/03/2010 | CA2686177A1 Modular stacked subsea power system architectures |
06/02/2010 | EP2192679A1 Three-phase inverter for converting DC power from a generator into three-phase AC power |
06/02/2010 | EP2191563A2 Current waveform construction to generate ac power with low harmonic distortion from localized energy sources |
06/02/2010 | EP1410488B1 Energy converting device |
06/02/2010 | CN201499090U Automatic voltage regulation device for power electronic transformer |
06/02/2010 | CN201498348U Triphase-to-single-phase transformer |
06/02/2010 | CN1941586B Energy effective switching power supply apparatus and energy-effective method thereof |
06/02/2010 | CN101719729A Series connection apparatus for generators |
06/02/2010 | CN101719726A Method and device for non-contact type synchronous transmission of energy and signal |
06/02/2010 | CN101388610B Voltage mutual inductor resonance step-up method in related full closed combined electrical equipment |
06/02/2010 | CN101183833B Hot pipe technique based frequency conversion power unit |
06/02/2010 | CN101183609B Condenser type non-contact manifold ring and power supply device using the same |
06/02/2010 | CN101071163B Current converter test circuit |
06/01/2010 | US7729148 Method for thermal protection of frequency converter and a frequency converter |
06/01/2010 | US7729145 Power converter and method, and triangle wave generating circuit |
06/01/2010 | US7729138 Control method for direct-current transmission |
05/27/2010 | WO2010059927A1 Variable pfc and grid-tied bus voltage control |
05/27/2010 | WO2010058028A2 Frequency convertor |
05/27/2010 | US20100128502 Electric power conversion apparatus |
05/27/2010 | CA2743423A1 Variable pfc and grid-tied bus voltage control |
05/26/2010 | EP2190095A1 Energy supply system |
05/26/2010 | CN201490898U Adjustable optimized waveform-based double-frequency high-voltage pulse type crude oil dewatering power supply |
05/26/2010 | CN201490897U Moveable shore power frequency-changing power supply device |
05/26/2010 | CN201490896U Static zero-power safe and energy-saving conversion device |
05/26/2010 | CN201490895U Power supply circuit and device thereof |
05/26/2010 | CN201490894U High-frequency high-voltage power supply |
05/26/2010 | CN201489963U Double voltage oil-immersion type transformer |
05/26/2010 | CN101714826A Multi-phase current supplying circuit, driving apparatus, compressor, and air conditioner |
05/26/2010 | CN101714825A Convertor device |
05/26/2010 | CN101714824A Power electronic module igbt protection method and system |
05/26/2010 | CN101714823A Power transducer |
05/26/2010 | CN101714822A Dual H-bridge-based circuit for converting single-phase AC power supply to three-phase AC power supply |
05/26/2010 | CN101714821A Excitation power circuit of rotary transformer |
05/26/2010 | CN101713377A Novel wind driven generator |
05/26/2010 | CN101369782B Control method of unit series connection type high voltage frequency convertor |