| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
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| 12/13/2011 | US8076899 Valve timing control apparatus |
| 12/13/2011 | US8076898 Method of brushless DC motor control and its application |
| 12/13/2011 | US8076897 AC motor driving circuit and electric vehicle driving circuit |
| 12/13/2011 | US8076890 AC motor driving apparatus and control method |
| 12/13/2011 | US8076883 Drive system and method for operating a drive system for an electronically operated vehicle |
| 12/13/2011 | US8076880 Motor control device |
| 12/08/2011 | WO2011152558A1 Synchronous machine control device without position sensors |
| 12/08/2011 | WO2011151977A1 Electric motor controller and electric motor control system |
| 12/08/2011 | DE102011001171A1 Leistungswandler Power converter |
| 12/07/2011 | EP2393200A1 Controller for ac motor |
| 12/07/2011 | EP2391483A1 Electric boring tool |
| 12/07/2011 | CN202068376U Rotor frequency-variable speed regulation control device of motor |
| 12/07/2011 | CN202068375U 瞬态电压抑制高功率因数转子变频调速控制装置 Transient voltage suppression high power factor rotor frequency control device |
| 12/07/2011 | CN202068367U 一种用光耦作为上桥驱动的直流电机控制器 As one kind of bridge with optocoupler driven DC motor controller |
| 12/07/2011 | CN202068344U Coal electric drill power supply |
| 12/07/2011 | CN202068335U 油田设备供电系统 Oilfield equipment supply system |
| 12/07/2011 | CN202064996U 基于plc变频调速的瓦斯抽排放装置 Smoke emission devices based on Frequency Gas plc |
| 12/07/2011 | CN102273058A 负载驱动系统、电动机驱动系统以及车辆控制系统 Load drive system, the motor drive system and a vehicle control system |
| 12/07/2011 | CN102269793A 监测高压直流电路的电绝缘的方法和装置 Method and apparatus for electrically insulating the high voltage direct current monitoring circuit |
| 12/07/2011 | CN101723215B 电梯用变频器起动转矩检测与补偿的方法 Elevator starting torque converter detection and compensation method |
| 12/07/2011 | CN101713816B 带双向直流能馈环节的交流电机牵引试验平台 AC motor can be fed with a bi-directional DC-link traction test platform |
| 12/07/2011 | CN101699762B 一种交流电动机变频调速动态控制方法 An AC motor control method Dynamic Frequency |
| 12/07/2011 | CN101362428B 电动机的控制装置及控制方法 Control device and method for controlling the motor |
| 12/07/2011 | CN101360917B 液压单元和液压单元中的电动机的速度控制方法 Speed hydraulic unit and the hydraulic unit in a motor control method |
| 12/06/2011 | US8072180 Synchronous sampling of PWM waveforms |
| 12/06/2011 | US8072171 Motor control |
| 12/06/2011 | CA2592354C Apparatus and method for driving an induction motor |
| 12/01/2011 | WO2011148485A1 Control apparatus and control method for motor |
| 12/01/2011 | WO2011148457A1 Rotating electrical-machine control system and method of manipulating magnet temperature of rotating electrical machine |
| 12/01/2011 | WO2011147235A1 Device and method of fan speed regulation |
| 12/01/2011 | DE102010029370A1 U-Boot-Propulsionsantriebssystem Submarine Propulsionsantriebssystem |
| 12/01/2011 | DE102010021984A1 Motor vehicle for use as hybrid vehicle i.e. electric car, has electric machine driving wheel, where supplementary electronic unit converts electrical direct voltage into alternating voltage that is redundantly supplied to electric machine |
| 11/30/2011 | CN202059370U 无电解电容的机电一体化调速电动机 No electrolytic capacitors mechatronic variable speed motor |
| 11/30/2011 | CN202059369U 一种起重机用定子调压调速装置 One kind of crane stator voltage control device |
| 11/30/2011 | CN202059276U An integrated variable-frequency adjustable-speed motor possessing a wireless communication device |
| 11/30/2011 | CN1495992B 用于开关磁阻电机的电路 For switched reluctance motor circuit |
| 11/30/2011 | CN102263541A 洗涤物处理装置 Washing processing apparatus |
| 11/30/2011 | CN102263540A 电动机械装置 Electro-mechanical devices |
| 11/30/2011 | CN102263539A 用于滤波电容器故障检测的可变频率驱动器和方法 Variable frequency drives and methods for fault detection filter capacitor |
| 11/30/2011 | CN102263538A 一种变频器控制系统 One kind of inverter control system |
| 11/30/2011 | CN101847965B 电动汽车电动机电流开关 Electric car motor current switch |
| 11/30/2011 | CN101635557B 逆变器式发电机 Inverter generator |
| 11/30/2011 | CN101521483B 电动机驱动装置 The motor driving device |
| 11/24/2011 | WO2011145334A1 Control device without a rotation sensor |
| 11/24/2011 | WO2011060783A3 Method and circuit arrangement for controlling current in motors |
| 11/24/2011 | DE102011011234A1 Power supply device and power supply system Power supply device and power supply system |
| 11/23/2011 | EP2388907A1 Control apparatus for ac motor and electric vehicle |
| 11/23/2011 | CN202050384U Real-time multichannel accuracy control electricity-saving device |
| 11/23/2011 | CN202046806U Frequency-conversion speed-regulation hoisting control device |
| 11/23/2011 | CN1998130B Phase angle control for synchronous machine control |
| 11/23/2011 | CN102257724A Motor control device |
| 11/23/2011 | CN102257723A Control system for AC motor |
| 11/23/2011 | CN102255603A Comprehensive control system and method based on high voltage motor control and reactive power compensation |
| 11/23/2011 | CN102255602A Method and system for smoothly switching alternated current motor from frequency converter power supply to power-frequency power supply |
| 11/23/2011 | CN102255601A Multifunctional energy-saving on-line monitoring device and method for frequency converter |
| 11/23/2011 | CN102255600A Rotor voltage and speed regulation device |
| 11/23/2011 | CN102255585A Motor drive device |
| 11/23/2011 | CN102255584A Free-position sensor motor controller applied to artificial heart system |
| 11/23/2011 | CN102255539A Inverter device and drive unit using the same |
| 11/23/2011 | CN102248963A Drive apparatus |
| 11/23/2011 | CN102248701A Frequency converter speed adjusting system of movable rotary pressure head frame type hydraulic machine |
| 11/23/2011 | CN101610063B High-voltage inverter carrying out soft excitation with converter and control method thereof |
| 11/23/2011 | CN101098110B Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same |
| 11/22/2011 | US8063596 Apparatus for carrying out improved control of rotary machine |
| 11/17/2011 | WO2011143087A2 Chiller motor control system |
| 11/16/2011 | EP2387147A2 Motor controlling apparatus and method of the same |
| 11/16/2011 | EP2387146A2 Motor controlling apparatus and controlling method of the same |
| 11/16/2011 | CN202043071U Power module |
| 11/16/2011 | CN202043070U Control device for reciprocation bale plucker covering band motor |
| 11/16/2011 | CN202042881U Suspension DR (digital radiography) system and motor driving circuit thereof |
| 11/16/2011 | CN202040057U Top-arranged type frequency converter and vector pump all-in-one machine |
| 11/16/2011 | CN102246410A Power converter for driving motor |
| 11/16/2011 | CN102244497A Frequency conversion control method and device |
| 11/16/2011 | CN102244496A Variable frequency speed-adjusting system for motor |
| 11/16/2011 | CN101632221B Motor drive device |
| 11/16/2011 | CN101622782B Controller of electric vehicle |
| 11/16/2011 | CN101257211B Circuit for preventing powered on moment impact in frequency converting air conditioner |
| 11/16/2011 | CN101154913B Methods and system for motor drive information capture |
| 11/16/2011 | CN101027203B Motor drive apparatus |
| 11/15/2011 | US8058833 Fine resolution motor control |
| 11/15/2011 | CA2423244C Bi-level flow generator |
| 11/10/2011 | WO2011139269A1 Variable speed drive |
| 11/10/2011 | WO2011138864A1 Refrigerating apparatus |
| 11/10/2011 | US20110273118 Power Factor Correction Circuit |
| 11/09/2011 | CN202034946U Controller utilizing feedback control for electric bicycle |
| 11/09/2011 | CN202034945U Start-up system of hydraulic three-roller grinder |
| 11/09/2011 | CN202034944U Efficient heating device with fan frequency conversion function |
| 11/09/2011 | CN202034943U Drying system blower motor frequency converter control system |
| 11/09/2011 | CN202034942U Special-purpose controller for frequency converter |
| 11/09/2011 | CN202034939U Direct torque control device for novel asynchronous motor based on fuzzy control |
| 11/09/2011 | CN202034785U Cascade stage frequency conversion speed regulation device with dynamic reactive power local compensation |
| 11/09/2011 | CN102239632A Voltage control and power factor correction in AC induction motors |
| 11/09/2011 | CN102239630A Motor drive device, and compressor and refrigerator using same |
| 11/09/2011 | CN102237849A Motor drive device |
| 11/09/2011 | CN102237848A Output current distortion compensating apparatus in inverter |
| 11/09/2011 | CN102237847A 马达驱动电路 Motor drive circuit |
| 11/09/2011 | CN102237846A Motor driving apparatus |
| 11/09/2011 | CN102237816A Power conversion device |
| 11/09/2011 | CN101751044B 速度控制器 Speed Controller |
| 11/09/2011 | CN101617467B Apparatus and method for controlling the motor power |