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