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)
03/2014
03/12/2014CN103633858A Power generator set, power generation system and rectifying method in power generation process
03/12/2014CN103633856A Double-damping double-mixed connection vibration-free brake frequency conversion device
03/12/2014CN103633855A Double-damping mixed star connection vibration-free brake frequency conversion device
03/12/2014CN103633854A Transducer
03/12/2014CN103633853A Industrial single-phase alternating current chopped mode voltage reduction and adjustment circuit and method thereof
03/12/2014CN103633852A Power transformation unit
03/12/2014CN102522901B Method, device and system for controlling power conversion of frequency converter
03/12/2014CN102386942B Single/three-phase control node device of wireless sensor network
03/12/2014CN102257715B Variable speed device of matrix converter type
03/11/2014US8670255 Utilization of a multifunctional pin combining voltage sensing and zero current detection to control a switched-mode power converter
03/06/2014WO2013189952A3 Reversible matrix converter circuit
03/06/2014US20140063871 Power delivery systems and methods for offshore applications
03/06/2014US20140063870 Apparatus and methods for restoring power cell functionality in multi-cell power supplies
03/06/2014US20140063869 Methods of balancing reactive power in multi-level motor drives with active front ends
03/06/2014US20140062354 Regenerative inverter device and inverter device using power cell unit
03/05/2014EP2704303A1 Charging circuit of a capacitor for phase-fired controller
03/05/2014EP2702678A1 Short circuit safe rectifier stage for a subsea power grid
03/05/2014CN203467042U Low-voltage power saver
03/05/2014CN203466741U High potential power electronic converter valve energy taking device
03/05/2014CN203466738U Power source circuit of residual current type electrical fire disaster monitor
03/05/2014CN203466737U Safe low-voltage AC/DC power supply input pen
03/05/2014CN203466734U Frequency converter
03/05/2014CN203466733U Inverting converter capable of working under two modes
03/05/2014CN203466717U Specific inverter for injection molding machine
03/05/2014CN103620937A Power conversion device and device for controlling same
03/05/2014CN103620936A Matrix inverter and method for generating A.C. voltage in second A.C. voltage network from A.C. voltage in first A.C. voltage network by means of matrix inverter
03/05/2014CN103618467A Control method for improving constant-current accuracy of capacitance resisting and voltage reduction circuit
03/05/2014CN103618464A Frequency converter of heading machine
03/05/2014CN103618463A Wideband low-distortion combined three-phase inverter
03/05/2014CN102497109B Injection type power supply design method based on resonance point adaptive property
03/05/2014CN102324855B Special AC (alternate current) adjustable power supply for carrying out power measurement and control method thereof
03/05/2014CN102165678B Modular multi-pulse transformer rectifier for use in multi-level power converter
02/2014
02/27/2014WO2014031585A2 Improved diagnostics for multi-level medium voltage drive using mechanical bypass
02/27/2014WO2014030259A1 Voltage control apparatus
02/27/2014WO2014030202A1 Power converter
02/27/2014US20140056038 Ac conversion circuit
02/27/2014US20140055116 Method And Control Arrangement In A Power System
02/26/2014EP2701299A1 Method and device for the intermediate storage of electrical energy
02/26/2014EP2700155A2 Direct electrical heating arrangement comprising a power electronic converter
02/26/2014EP2700154A2 Matrix inverter and method for generating an a.c. voltage in a second a.c. voltage network from an a.c. voltage in a first a.c. voltage network by means of a matrix inverter
02/26/2014CN203457059U 油冷工业变频电源 Oil-cooled industrial frequency power
02/26/2014CN203457058U Common-bus frequency converter system
02/26/2014CN203457057U Adjustable electronic transformer used for heating pad
02/26/2014CN203457041U Cascading-type high-voltage inverter pre-charging circuit
02/26/2014CN103607122A Harmonic voltage stabilization control system
02/25/2014US8659917 Direct-type converting apparatus and method for controlling the same
02/25/2014US8658324 Fuel cell system
02/20/2014WO2014028866A2 Power device
02/20/2014WO2014027198A1 Monitoring power consumption and/or energy usage
02/20/2014US20140049991 Power device
02/20/2014US20140049176 Power device
02/20/2014US20140049110 Matrix converter and method for generating an ac voltage in a second ac voltage grid from an ac voltage in a first ac voltage grid by means of a matrix converter
02/19/2014EP2697901A2 Voltage setting device
02/19/2014CN203445820U Motor driving device including electric storage device
02/19/2014CN203445793U Switch power supply
02/19/2014CN203445792U Distributed high frequency high voltage power supply device for driving dielectric barrier discharge (DBD) plasma source group
02/19/2014CN203445791U Intelligent power frequency heavy current generator
02/19/2014CN103597728A Power conversion device
02/19/2014CN103597727A Power conversion device
02/19/2014CN103597726A Power converter
02/19/2014CN103595291A On-line energy-gaining system of high-voltage series voltage compensation device
02/19/2014CN103595287A Method for controlling double-direction power flow high-frequency isolated active clamping inverter
02/19/2014CN103595281A Five-level voltage source type conversion device
02/19/2014CN103595268A Frequency converter
02/19/2014CN103595266A Explosion-proof intrinsically safe variable-frequency drive for mining
02/19/2014CN103595265A Small-size wind power generation converter for inland vessel
02/19/2014CN103595264A High-frequency power source with site manual operation system
02/19/2014CN103595263A Compressor system and method and power supply device of three-phase self-starting permanent magnet synchronous motor
02/19/2014CN103595262A Frequency adjusting circuit for wireless charging system
02/19/2014CN102483635B 引擎系统 Engine Systems
02/19/2014CN101997425B Simulation method for single four-quadrant converter
02/18/2014US8654553 Adaptive digital control of power factor correction front end
02/13/2014US20140043870 Three phase boost converter to achieve unity power factor and low input current harmonics for use with ac to dc rectifiers
02/13/2014US20140042999 Switched mode assisted linear regulator with ac coupling with capacitive charge control
02/13/2014CA2821732A1 System including a magnetoelectric device for powering a load or visually indicating an energized power bus
02/12/2014CN203434873U Switching power supply with precise controlling
02/12/2014CN203434845U Multifunctional power adapter
02/12/2014CN203434841U Energy storage converter laminated busbar
02/12/2014CN203434754U Resonant type wireless electric energy transmission and emission device with PFC
02/12/2014CN103580526A 功率转换装置 Power conversion means
02/12/2014CN103580518A Drive device control method, equipment, drive device and computer-readable medium
02/12/2014CN103580502A Power-switching circuit and method for controlling direct-current-alternating-current circuit
02/12/2014CN103580501A Switched switch capacitor type AC-AC converter with fixed transformation ratio of 1/4 or 4
02/12/2014CN103580500A Small-power high-pressure generating device
02/12/2014CN103580499A Single-damper single-resistor star-connection non-vibration brake frequency conversion device
02/12/2014CN103580498A High-power energy feedback type power grid analog device and control method adopted in same
02/12/2014CN103580497A Apparatus for estimating capacitance of DC-link capacitor in inverter
02/12/2014CN103580496A Control device
02/12/2014CN103580495A Method, device and system for obtaining design value of capacitance of bus capacitor of AC/DC/AC inverter
02/12/2014CN103580494A 变流器系统 Converter system
02/12/2014CN102122892B Supply power adjusting apparatus and semiconductor manufacturing apparatus
02/12/2014CN101868094B LED driving circuit and LED lamp
02/11/2014US8650411 Energy management for an electronic device
02/06/2014WO2014020898A1 Power converter
02/06/2014WO2014020703A1 Matrix converter
02/06/2014US20140036554 Power conversion with current sensing coupled through saturating element
02/06/2014US20140036553 Drive train comprising a doubly fed electric machine and a band stop filter connected between an inverter and the rotor of the machine
02/06/2014US20140035492 Single phase operation of a three-phase drive system
02/05/2014CN203423627U Monitoring integrated power supply system
02/05/2014CN103563230A Power conversion device
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