| 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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| 06/13/2007 | CN1978300A Servo driving special machine with high-speed winding function |
| 06/12/2007 | US7230403 System and method for elimination of DC offset feedback in AC drives |
| 06/12/2007 | US7230399 Vehicular generator-motor system |
| 06/12/2007 | US7230398 Brushless motor control apparatus and brushless motor control method |
| 06/07/2007 | WO2007063766A1 Motor controller |
| 06/07/2007 | US20070126392 Motor control apparatus and vehicle steering apparatus using the same |
| 06/06/2007 | DE102005056295A1 Anlage Plant |
| 06/06/2007 | CN2909690Y FM-AM power inverter |
| 06/06/2007 | CN1976216A Power transformation device |
| 06/06/2007 | CN1976215A Audible noise reduction for single current shunt platform |
| 06/06/2007 | CN1976213A Method for controlling AC motor |
| 06/06/2007 | CN1976195A 脉宽调制方法 Pulse width modulation method |
| 06/06/2007 | CN1320745C Motor drive system |
| 06/06/2007 | CN1320744C Motor driving apparatus |
| 06/05/2007 | US7227323 Motor driving apparatus |
| 06/05/2007 | US7226069 Power-assisted steering system and difference compensating method for current detector |
| 05/31/2007 | US20070120521 Apparatus for power control by phase gating and a method for harmonic reduction |
| 05/31/2007 | US20070120520 Motor driving device and automobile using the same |
| 05/31/2007 | DE19951981B4 Regelsystem für einen Induktionsmotor Control system for an induction motor |
| 05/31/2007 | DE10307988B4 System und Verfahren zum Schätzen einer Rotorposition eines Permanentmagnetmotors System and method for estimating a rotor position of a permanent magnet motor |
| 05/31/2007 | DE102005062580A1 Aufzugssystem Elevator system |
| 05/30/2007 | EP1791246A2 Frequency converter assembly and method of using frequency converter assembly |
| 05/30/2007 | EP1788911A2 Operating a three phase device using single phase power |
| 05/30/2007 | EP1131873B1 A system and a method for protecting an electric motor and its control circuit, and an electric motor |
| 05/30/2007 | CN2907088Y Variable frequency electric actuating mechanism |
| 05/30/2007 | CN2907087Y Single-phase motor regulator |
| 05/30/2007 | CN2907086Y Novel motor economizer |
| 05/30/2007 | CN2907085Y Variable speed motor driving device |
| 05/30/2007 | CN2907084Y Power-saving operation controller for induction AC motor |
| 05/30/2007 | CN2907030Y Low-harmonic variable-frequency speed regulator with reactive power compensation function |
| 05/30/2007 | CN2906425Y Intelligent automatic-tracking-control power economizer |
| 05/30/2007 | CN1973429A Power output device and vehicle using the same |
| 05/30/2007 | CN1972101A Phase current detector |
| 05/30/2007 | CN1972100A Phase current detector |
| 05/30/2007 | CN1971464A Limit controller of flame cutting vehicle |
| 05/30/2007 | CN1319268C Inverter controller for driving motor and air conditioner using the same |
| 05/29/2007 | CA2372266C Rotor angle detecting apparatus for dc brushless motors |
| 05/24/2007 | US20070114966 Phase current detection method, inverter control method, motor control method and apparatus for carrying out these methods |
| 05/24/2007 | US20070114965 Electrically powered vehicle mounting electric motor and control method therefor |
| 05/23/2007 | EP1788697A1 Power-factor correction device for variable speed drive |
| 05/23/2007 | CN2904462Y Voltage regulating energy-saving power special for oil pumping unit |
| 05/23/2007 | CN1969437A Method for error handling in a converter circuit for wiring of three voltage levels |
| 05/23/2007 | CN1968005A Method to measure the angular speed of an induction motor |
| 05/23/2007 | CN1968000A Electromotor control device and electric vacuum cleaner using same |
| 05/23/2007 | CN1967995A Electrically powered vehicle mounting electric motor and control method therefor |
| 05/23/2007 | CN1966827A A device and a method for driving the motor of a washing machine |
| 05/23/2007 | CN1317822C Control method of switch amgnetic resistance motor |
| 05/22/2007 | US7221121 Frequency converter for different mains voltages |
| 05/17/2007 | US20070108937 Voltage mode control with phase advancing for position controlled electric machines |
| 05/17/2007 | US20070108936 Motor drive apparatus |
| 05/17/2007 | US20070108932 Hardware based configurable motion control apparatus and method |
| 05/16/2007 | EP1786095A2 Self powered gate driver system |
| 05/16/2007 | CN2900007Y Hydraulic driver for working roller speed changing movement of plate rolling machien corrector |
| 05/16/2007 | CN1964182A Electrical equipment |
| 05/16/2007 | CN1316730C Position-of-magnetic-pole detection device and method |
| 05/16/2007 | CN1316102C Method of controlling motor-driven washing machine and control system for the same |
| 05/15/2007 | US7218540 Power semiconductor device |
| 05/15/2007 | US7218071 Method and apparatus for increasing AC motor torque output at low frequency |
| 05/10/2007 | WO2007052493A1 Refrigerator compressor operating method and refrigerator |
| 05/10/2007 | US20070103105 Control unit for elctric power steering apparatus |
| 05/10/2007 | DE102006051371A1 Inverter for use in industrial application, has module, which is introduced into recess of inverter, where recess forms housing, and recess has plastic upper surface for outer circumference of inverter |
| 05/10/2007 | DE102006043881A1 PBM-Singal-Erzeugungsvorrichtung und Verfahren dazu sowie Motorregelungsvorrichtung und Verfahren dazu PBM Singal generating apparatus and method thereof, and engine control apparatus and method thereof |
| 05/10/2007 | DE102005052631A1 Pulswechselrichter im Not-Generatorbetrieb PWM inverter in the emergency generator operation |
| 05/09/2007 | CN2899283Y Control cabinet of oil sucker |
| 05/09/2007 | CN2899282Y High-voltage frequency-variable speed-regulating system for mine hoister |
| 05/09/2007 | CN2899280Y Multiple-point-driven synchronous controller of circular stocking discharger |
| 05/09/2007 | CN1961476A System and method for increasing output horsepower and efficiency in a motor |
| 05/09/2007 | CN1961475A Ac motor decelerating method and inverter device |
| 05/08/2007 | US7215518 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof |
| 05/08/2007 | US7215099 Method in frequency converter provided with voltage intermediate circuit, and frequency converter |
| 05/03/2007 | WO2007049810A1 Motor drive system |
| 05/03/2007 | US20070096671 Inverter |
| 05/03/2007 | DE102006032446A1 Fahrzeugleistungssteuervorrichtung Vehicle power controller |
| 05/03/2007 | CA2567182A1 A circuit for monitoring harmonic distortion in the power supply of a synchronous electrical machine with permanent magnet excitation |
| 05/02/2007 | EP1780886A1 Ac rotary machine constant measuring apparatus |
| 05/02/2007 | CN2896696Y Three-phase ac. motor thermal-resistance speed regulator |
| 05/02/2007 | CN2896695Y Rotary drill microcomputer frequency-variation speed-regulation control cabinet |
| 05/02/2007 | CN2896342Y Central controller for automotive network system |
| 05/02/2007 | CN2896341Y Composite control structure for middle-high-pressure frequency-variable closed-ring |
| 05/02/2007 | CN1956317A Field weakening vector controller for permanent magnet synchronous motor and module |
| 05/02/2007 | CN1956303A Self powered gate driver system |
| 05/02/2007 | CN1314197C Increasable capacity integrated installation of high-low voltage variable frequency speed control |
| 05/02/2007 | CN1314194C Position-of-magnetic-pole detecting device |
| 05/02/2007 | CN1314179C Motor control device and mixed type vehicle control device |
| 05/01/2007 | US7212891 Motor drive apparatus, hybrid vehicle drive apparatus using the same, and computer readable recording medium recorded with program for causing computer to perform control of motor drive apparatus |
| 05/01/2007 | US7211981 Electric motor movement controlling method, an electric motor movement controlling system and a compressor |
| 04/26/2007 | WO2007046120A1 Actuator for automotive climatization units |
| 04/26/2007 | WO2007045967A1 Method for controlling a roller-blind actuator |
| 04/26/2007 | US20070093359 Vehicular power control apparatus |
| 04/26/2007 | DE102005050844A1 A method for eliminating the vibration of a three phase electric motor has a rectifier and frequency generator with control units to ground the common point of the motor windings |
| 04/26/2007 | DE10048353B4 Antriebssteuerung für einen elektrischen Antrieb Drive controller for an electric drive |
| 04/25/2007 | EP1649589B1 Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion |
| 04/25/2007 | EP1516425B1 Brushless motor control utilizing independent phase parameters |
| 04/25/2007 | CN2894085Y Fan rotating speed improved control circuit |
| 04/25/2007 | CN2894022Y 智能功率模块 Intelligent Power Module |
| 04/25/2007 | CN1954485A Load drive device, vehicle, and abnormality processing method in load drive device |
| 04/25/2007 | CN1953318A Power converter methods and apparatus for variable speed high power machines |
| 04/25/2007 | CN1953317A Device for preheating compressor and method thereof |
| 04/24/2007 | US7208908 Apparatus and method to control torque and voltage of an AC machine |
| 04/19/2007 | DE102005046920A1 Drive unit comprises an electronic unit arranged close to an electric motor and connected to a supply line using a current limiter |