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)
05/2014
05/01/2014US20140119068 Electric power converting device and electric power converting method
05/01/2014US20140119067 Apparatus for estimating capacitance of dc-link capacitor in inverter
05/01/2014US20140117753 System of distributing electric current to electrical outlets of a passenger vehicle
04/2014
04/30/2014EP2725696A1 Power conversion device and device for controlling same
04/30/2014EP2724458A2 Variable frequency drive voltage boost to improve utilization
04/30/2014CN203574564U On-line energy taking system of high voltage series voltage compensation device
04/30/2014CN203574549U Tunneling machine frequency converter
04/30/2014CN203574548U Bidirectional power main circuit and charger
04/30/2014CN203574547U Switch type AC voltage-stabilized power supply
04/30/2014CN203571947U Variable-frequency air conditioner system based on Z-source converter
04/30/2014CN203570508U Direct-driven wind turbine generator internal power transmission structure
04/30/2014CN103765748A Power conversion device
04/30/2014CN103762920A Converter used for generator and power generation and power supply device thereof
04/30/2014CN103762873A High frequency isolation type three-level inverter based on Boost converter
04/30/2014CN103762857A High-power 12V electronic transformer
04/30/2014CN103762856A Non-transformer alternating-current direct-current alternating-current cascading multilevel converter
04/30/2014CN103762855A Dual-voltage conversion circuit of generator-welder integrated machine and conversion method thereof
04/30/2014CN103762854A Voltage regulation device based on power electronic transformer
04/29/2014US8712666 Multiple-frequency inversion method and control apparatus for internal combustion engine driven generator
04/24/2014WO2014062569A2 Isolated flyback converter
04/24/2014WO2013097862A3 A wind turbine generator
04/24/2014WO2013007268A3 Power generation system and method for operating a power generation system
04/24/2014US20140111119 Phase control with adaptive parameters
04/24/2014DE102012020578A1 Antriebsanordnung mit Energiespeicher Drive system with energy storage
04/23/2014CN203562962U Electronic transformer used for router
04/23/2014CN203560032U Wave-energy electric-power generating device
04/23/2014CN103748777A Power conversion device
04/23/2014CN103746568A Compact sine constant-current dimming device
04/23/2014CN103746564A High-gain active lossless clamping converter including built-in transformer and voltage-multiplying structure
04/23/2014CN103746546A Pulse frequency modulation circuit and power adapter
04/23/2014CN103743931A High-power grid voltage simulation circuit
04/23/2014CN102315780B Power source device
04/23/2014CN102291083B Common mode voltage reduction apparatus and method for current source converter based drive
04/23/2014CN101686006B Device for protection of power factor correction in three phase power supply and control method thereof
04/17/2014WO2014056297A1 A control and regulation arrangement
04/17/2014US20140104913 Power conversion device
04/17/2014US20140104897 Control Method During Zero-Crossing Operation Of Bridge Arms In UPS
04/17/2014US20140104896 Regenerative voltage doubler rectifier, voltage sag/swell correction apparatus and operating methods
04/17/2014US20140103887 Power converter and method for controlling same
04/16/2014CN203554355U A variable frequency air-conditioner and a motor control system based on a Z source converter
04/16/2014CN203554305U Miniature wind power generation converter for inland ship
04/16/2014CN203554304U Auxiliary converter module for diesel locomotive
04/16/2014CN203554303U Frequency-adjustable frequency converter
04/16/2014CN203554302U High-voltage monitoring equipment power supply device based on isolation transformer
04/16/2014CN203554301U Period-varying sampling device for voltage and current of AC-AC frequency converter
04/16/2014CN203554299U High-voltage input flyback switching power supply
04/16/2014CN203541810U Double-voltage inversion direct-current arc welding machine
04/16/2014CN103733494A Method for controlling a cycloconverter, electronic control device therefor, cycloconverter, and computer program
04/16/2014CN103733488A An inductively coupled power transfer receiver
04/16/2014CN103731043A Miniature high-frequency heating power source for quenching
04/16/2014CN103731042A AC-AC variable frequency phase control trigger device
04/16/2014CN103731041A Method for nonlinearly compensating for current intermittence of AC-AC variable frequency device
04/16/2014CN103722283A Direct stored energy control system of plasma-cutting power source and control method thereof
04/16/2014CN102624249B Compound control method of three-phase to two-phase orthogonal inverter power supply with reactive compensation function
04/16/2014CN102570845B Singlechip-based automatic voltage conversion system
04/16/2014CN102545640B Flexible frequency conversion device and control method
04/16/2014CN102290714B Mine explosion-proof and intrinsically safe drive center
04/16/2014CN102195492B Synchronous rectification switching power supply and control circuit and control method thereof
04/16/2014CN101710790B Method and circuit for realizing isolation of alternating current and direct current of double inverse uninterruptable power supply
04/15/2014US8699245 Method for inputting power and power input system
04/15/2014US8699244 Electronic ballast with load-independent and self-oscillating inverter topology
04/15/2014US8698584 Integrated magnetic device for low harmonics three-phase front-end
04/10/2014WO2014014912A3 Power sources
04/10/2014US20140097678 Subsea electrical architectures
04/09/2014EP2717458A1 Ac conversion circuit, ac conversion method, and recording medium
04/09/2014EP2717457A1 Power conversion device
04/09/2014EP2717456A1 Power conversion device
04/09/2014EP2717455A1 Power conversion device
04/09/2014EP2717454A1 Power conversion device
04/09/2014EP2717453A1 Power converter
04/09/2014EP2717452A1 Power conversion device
04/09/2014CN203537241U Medium-frequency power supply integrated with harmonic absorption circuit
04/09/2014CN203537240U Intelligent temperature control device of variable-frequency power supply of moulding pressing bench
04/09/2014CN203537239U AC power parallel-connecting capacity-expanding circuit
04/09/2014CN203537227U Power supply device of inverter welding machine
04/09/2014CN203537081U Novel non-contact power supply system
04/09/2014CN203526771U Inverse alternating-current waveform control circuit for use in submerged arc welding
04/09/2014CN103718447A Power conversion device
04/09/2014CN103716952A LED switch power supply and control method thereof
04/09/2014CN103715970A Frequency converter and motor drive circuit thereof
04/09/2014CN103715914A Controllable rectifier/inverter control method with power feed-forward, controllable rectifier/inverter control device with power feed-forward and high-voltage frequency converter
04/09/2014CN103715913A Mixing type current converting method suitable for two-stage matrix converter rectification stage
04/09/2014CN103715912A Intelligent temperature control device of mold pressing platform variable-frequency power source
04/09/2014CN103715911A Four-quadrant cascading type high-voltage inverter device without electric reactor
04/09/2014CN103715910A Switched-mode power supply
04/09/2014CN103715909A Electric locomotive electronic mutual inductor and application method thereof
04/09/2014CN103715908A Alternating current-alternating current frequency converter voltage and current variable period sampling method
04/09/2014CN103715754A UPS and power supply system
04/09/2014CN103715252A Compound semiconductor device and method of manufacturing the same
04/09/2014CN102555838B Shoreside moving type marine substation integrated system
04/09/2014CN102545668B Modularized serial inverter in power supply of medium-frequency induction furnace
04/09/2014CN102487248B Transmission line induced electricity eliminating device
04/09/2014CN102457196B Power unit control plate of high-voltage frequency converter
04/09/2014CN102244468B High-reliability medium voltage frequency converter adopting redundancy design
04/09/2014CN102185491B Serial and parallel connection electrical bridge type impedance network power converter
04/09/2014CN101925706B Water supply
04/09/2014CN101252321B Frequency converter for double-fed asynchronous generator with variable power output and method for its operation
04/08/2014US8693220 System for improved wind turbine generator performance
04/03/2014WO2013124374A8 Transformer configuration for a hvdc back-to-back converter
04/03/2014US20140092651 Micro-inverter with improved control
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