| 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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| 06/27/2012 | EP1969691B1 Load detector for a dimmer |
| 06/27/2012 | EP1946436B1 Power converters |
| 06/27/2012 | CN102522905A Intermediate frequency direct-current power supply of chain resistance welding device and intermediate frequency direct-current resistance welding method |
| 06/27/2012 | CN102522902A Consistent-harmonic oscillation type switching power supply |
| 06/27/2012 | CN102522901A Method, device and system for controlling power conversion of frequency converter |
| 06/27/2012 | CN101753044B Three-level midpoint potential balance control method based on zero sequence voltage injection |
| 06/27/2012 | CN101427454B Single phase power supply for inductively coupled power transfer systems |
| 06/21/2012 | WO2012045602A3 Rectifier circuit |
| 06/21/2012 | US20120155125 Wind turbine generator |
| 06/20/2012 | CN202282745U Steel bar truss welding inverter |
| 06/20/2012 | CN202282741U 电弧增长型等离子直流电源系统 Plasma arc growth DC power system |
| 06/20/2012 | CN202282739U 一种数字式滞环控制电流源 A digital hysteresis control current source |
| 06/20/2012 | CN202282738U 一种便携式电压测量监测仪专用调试电源装置 A portable monitor voltage measuring device dedicated debugging power |
| 06/20/2012 | CN202282737U 一种高频头供电控制电路 A high-frequency head power supply control circuit |
| 06/20/2012 | CN102510226A Rectifying and inverting unit cabinet of megawatt-level wind-power converter |
| 06/20/2012 | CN102510225A Method, device and experiment system for increasing output current of current rising device |
| 06/20/2012 | CN101860226B Phase-locking switching type pre-charging circuit for high-voltage frequency converter and control method thereof |
| 06/20/2012 | CN101826804B Control method of parallel-type permanent magnet direct-drive wind power converter in wind driven generation system |
| 06/20/2012 | CN101595764B Electronic ballast having a flyback cat-ear power supply |
| 06/20/2012 | CN101447739B Three-phase AC power switching circuit |
| 06/20/2012 | CN101291068B Driving system for wind power generation of parallel net type with generated power totally monitored |
| 06/19/2012 | US8203859 High frequency device with variable frequency and variable load impedance matching |
| 06/19/2012 | US8203856 Method and arrangement to reverse the power flow of a direct current power transmission system |
| 06/14/2012 | WO2012077348A1 Direct conversion circuit and matrix converter controller |
| 06/14/2012 | WO2011154720A3 Solar photovoltaic systems |
| 06/14/2012 | WO2011131655A3 Electricity generating system and method for operation of a system such as this |
| 06/14/2012 | US20120147634 Circuit and method for regulating a dc voltage and power converter |
| 06/14/2012 | US20120147633 AC-to-AC converter and method for converting a first frequency AC-voltage to a second frequency AC-voltage |
| 06/13/2012 | EP2463997A2 System and method for control of a grid connected power generating system |
| 06/13/2012 | EP2463996A1 AC-to-AC converter and method for converting a first fre-quency AC-voltage to a second frequency AC-voltage |
| 06/13/2012 | EP2463976A1 Circuit and method for regulating a DC voltage and power con-verter |
| 06/13/2012 | EP2462687A1 Converter with reactive power compensation |
| 06/13/2012 | CN202276292U 一种高压变频器 A high voltage inverter |
| 06/13/2012 | CN202276291U 低谐波中频电源 Low harmonic frequency power supply |
| 06/13/2012 | CN102498655A Apparatus and method for generating electric energy in an electric power transmission system |
| 06/13/2012 | CN102497202A Digital phase-shift circuit and improved AC (Alternating Current) power source thereof |
| 06/13/2012 | CN102497115A Control method of normal-pressure low-temperature plasma power supply and power supply device |
| 06/13/2012 | CN102497114A Frequency conversion microwave oven power supply circuit and control method thereof |
| 06/13/2012 | CN102497113A High-frequency high-voltage power supply for electrostatic precipitation, and control method of the same |
| 06/13/2012 | CN102497112A 高压变频电源装置 High voltage variable frequency power supply |
| 06/13/2012 | CN102497111A Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection |
| 06/13/2012 | CN102497110A Wharf marine shore power system |
| 06/13/2012 | CN102497109A Injection type power supply design method based on resonance point adaptive property |
| 06/13/2012 | CN102496957A Compound full-power wind power converter |
| 06/13/2012 | CN101951161B Control system for suppressing current oscillation and distortion of three phase-single phase matrix converter |
| 06/13/2012 | CN101741272B Regulating and controlling method of self-adaption commutation integration of high frequency chain matrix inverter |
| 06/13/2012 | CN101263646B Method for controlling, operating electric transmission system, and corresponding electric transmission system |
| 06/13/2012 | CN101039079B Apparatus and method for supplying DC power source |
| 06/12/2012 | US8199545 Power-conversion control system including sliding mode controller and cycloconverter |
| 06/12/2012 | US8199532 Isolated voltage converter with feedback on the primary winding, and corresponding method for controlling the output voltage |
| 06/12/2012 | US8199531 Isolated voltage converter with feedback on the primary winding, and corresponding method for controlling the output voltage |
| 06/08/2012 | CA2760951A1 Circuit and method for regulating a dc voltage and power converter |
| 06/08/2012 | CA2760891A1 Ac-to-ac converter and method for converting a first frequency ac-voltage to a second frequency ac-voltage |
| 06/07/2012 | WO2012072168A2 Novel multi-level converter topology with the possibility of dynamically connecting individual modules in series and in parallel |
| 06/07/2012 | US20120140533 Solar photovoltaic system with capacitance-convertibng function |
| 06/07/2012 | US20120140532 Pulse width modulation control method and system for mitigating reflected wave effects in over-modulation region |
| 06/06/2012 | EP2460263A1 Apparatus and method for generating electric energy in an electric power transmission system |
| 06/06/2012 | CN202268814U 微弧氧化电源电路 Micro-arc oxidation power supply circuit |
| 06/06/2012 | CN202268812U 一种小失真度正弦波电路 A small-distortion sine wave circuit |
| 06/06/2012 | CN202268811U 单电源三相驱动电路 Single-supply three-phase drive circuit |
| 06/06/2012 | CN202268810U 一种电源控制系统 A power control system |
| 06/06/2012 | CN202268706U 采用并联h桥结构的谐波源装置 H harmonic source device parallel bridge structure |
| 06/06/2012 | CN202268705U Wind power station power grid voltage disturbance simulation generator |
| 06/06/2012 | CN102487248A Transmission line induced electricity eliminating device |
| 06/06/2012 | CN102487079A Compound semiconductor device and method of manufacturing same |
| 06/06/2012 | CA2757275A1 Synchronous rectifier bi-directional current sensor |
| 06/05/2012 | US8194428 Unified control of single and three-phase power converters |
| 06/03/2012 | CA2756180A1 Synchronous rectifier bi-directional converter |
| 05/31/2012 | US20120134184 Multi-level inverter having dual controller |
| 05/31/2012 | US20120134183 Power converter with a controlled current source and connected in single-phase mode |
| 05/30/2012 | EP2458946A1 Communication system for controlling electrical loads |
| 05/30/2012 | EP2458725A1 Electric energy conversion system and method for operating same |
| 05/30/2012 | EP2458724A1 Movable shore power variable frequency power supply device |
| 05/30/2012 | CN202261163U Multi-module variable frequency AC (alternate current) auxiliary system for locomotive |
| 05/30/2012 | CN202261074U Vehicle-mounted sine inverter power supply |
| 05/30/2012 | CN202261046U Special frequency converter for constant-pressure water supply |
| 05/30/2012 | CN202261045U Low-voltage inverter debugging device for parallel resonance induction heating power supply |
| 05/30/2012 | CN202261044U Special frequency converter for ball grinding mill |
| 05/30/2012 | CN202261043U Multifunctional ship shore power power-supply device |
| 05/30/2012 | CN202261042U Novel high-voltage high-power frequency converter |
| 05/30/2012 | CN202261041U Constant-current power supply of low-voltage large-current device |
| 05/30/2012 | CN202261040U Voltage adjusting device suitable for extreme high voltage |
| 05/30/2012 | CN202261039U Power panel |
| 05/30/2012 | CN202261038U LLC (Logic Link Control) serial resonance converting circuit |
| 05/30/2012 | CN202261037U Frequency converter |
| 05/30/2012 | CN202261036U Zero drift digital suppression device for actual value sampling of alternating current-alternating current frequency converter |
| 05/30/2012 | CN202261005U Pre-charging circuit for five-level current transformer |
| 05/30/2012 | CN102484431A Adaptive photovoltaic inverter |
| 05/30/2012 | CN102484430A Fault current limitation in DC power transmission systems |
| 05/30/2012 | CN102484429A 具有整流电路的逆变器 A rectifier circuit having an inverter |
| 05/30/2012 | CN102484110A Power semiconductor module |
| 05/30/2012 | CN102483635A 引擎系统 Engine Systems |
| 05/30/2012 | CN102480264A Multiprocessor controlled induction motor four-quadrant variable frequency speed regulation system |
| 05/30/2012 | CN101951166B Feedforward control method for intermediate-frequency lower twin-stage matrix converter |
| 05/30/2012 | CN101860222B Unit serial connection type high-voltage frequency converter unit controller |
| 05/30/2012 | CN101834532B High-voltage and high-power transducer |
| 05/30/2012 | CN101710787B Generation method and device of sine wave heavy current |
| 05/30/2012 | CN101662215B Power-management interface |
| 05/30/2012 | CN101645653B LLC resonance circuit |
| 05/30/2012 | CN101542885B Redundant current valve control in a high voltage power transmission system |