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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11/17/2010 | CN201639545U Frequency converter control cabinet with external frequency converter display panel |
11/17/2010 | CN201639544U Motor controller for electric vehicles |
11/17/2010 | CN101888938A Drive apparatus, and drive-force output system having drive apparatus, and method for controlling the drive apparatus |
11/17/2010 | CN101888208A Intelligent contactless master speed regulation device |
11/17/2010 | CN101888206A Permanent-magnetic synchronous linear motor driver |
11/16/2010 | US7835883 Method and device for measuring rotation speed of rotating equipment |
11/16/2010 | US7834579 Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level AC drive inverter bridge |
11/16/2010 | US7834578 Load driving apparatus, vehicle, and abnormality processing method at load driving apparatus |
11/16/2010 | US7834568 Method and device for driving a brushless motor with voltage waveform predisposed for a progressive and automatic switching from a three-phase sinusoidal driving to a square wave three-phase driving |
11/11/2010 | WO2009082065A3 Motor controller of air conditioner |
11/11/2010 | US20100286948 Magnetic pole position estimation method for ac synchronous motor |
11/11/2010 | US20100283242 High Voltage Start of an Engine from a Low Voltage Battery |
11/11/2010 | DE102009020410A1 Method for determining output voltage of pulse inverter for three-phase alternating current motor of electric counter balanced forklift truck, involves determining output voltage by CPU of microcontroller |
11/10/2010 | EP2249471A1 Direct ac power converter |
11/10/2010 | CN201629719U Servo driving device for robot asynchronous motor |
11/10/2010 | CN201629718U Electromagnetic shielding frequency changer |
11/10/2010 | CN201629717U All-digital AC variable frequency speed regulating system for mine hoist |
11/10/2010 | CN201629679U Stepless speed-regulating frequency converter of alternating current motor |
11/10/2010 | CN201626316U Brushless double-fed motor driving device of electric automobile |
11/10/2010 | CN101884164A Ac motor controller |
11/10/2010 | CN101883707A Electrically driven power steering device |
11/10/2010 | CN101883706A Electrically driven power steering device |
11/10/2010 | CN101882908A Speed limiting control method in torque mode of climb-assist device |
11/10/2010 | CN101882907A Signal converting circuit for passive revolution speed sensor |
11/10/2010 | CN101882882A Inverter device and control method thereof |
11/10/2010 | CN101383588B Method for tracing motor rotation speed by frequency transformer and device thereof |
11/10/2010 | CN101351355B Vehicle control device, vehicle, and vehicle control method |
11/04/2010 | WO2010126422A1 Vacuum cleaner and method for controlling an electric motor |
11/04/2010 | WO2010125637A1 Power conversion device |
11/04/2010 | WO2010124582A1 Pumping unit system and electricity-saving control method thereof |
11/04/2010 | US20100280714 Motor controller and electric power steering apparatus |
11/04/2010 | DE112008003590T5 Magnetpolpositions-Schätzverfahren für einen AC-Synchronmotor Magnetic pole position estimation method for an AC synchronous motor |
11/04/2010 | CA2760288A1 Power converting apparatus |
11/03/2010 | EP2246974A1 Motor drive control device |
11/03/2010 | EP2246972A2 Method of controlling an induction motor |
11/03/2010 | EP2246969A1 Control of an electric machine |
11/03/2010 | EP2246966A1 Permanent magnet type dynamo electric machine, method for assembling permanent magnet type dynamo electric machine, method for disassembling permanent magnet type dynamo electric machine and permanent magnet motor drive system |
11/03/2010 | EP2246961A1 Permanent magnet type rotary motor, assembly method for permanent magnet type rotary motor, disassembly method for permanent magnet type rotary motor, and permanent magnet type rotary motor drive system |
11/03/2010 | CN201623689U Frequency-conversion control cabinet |
11/03/2010 | CN201623688U Coal mine fan variable frequency control energy-saving device |
11/03/2010 | CN201623687U Frequency converter |
11/03/2010 | CN201621038U Compressor and refrigeration circulation apparatus employing the same |
11/03/2010 | CN201620891U Variable frequency closed type hydraulic traction system of shearer |
11/03/2010 | CN201620219U Spinning machine energy-saving device |
11/03/2010 | CN101877567A Motor speed command generating device and method |
11/03/2010 | CN101355332B Single processor dual motor control |
11/03/2010 | CN101171743B Motor control device |
11/03/2010 | CN101073199B Method for feeding an operating motor of a rolling shutter and a device for a driven rolling shutter |
11/02/2010 | US7825622 Load driving method and device |
11/02/2010 | US7825621 Junction temperature reduction for three phase inverters modules |
11/02/2010 | US7825620 Controller and constant measuring apparatus for AC motor |
10/28/2010 | WO2010122861A1 Inverter protecting apparatus |
10/28/2010 | WO2010122651A1 Power conversion device |
10/28/2010 | WO2010122648A1 Power supply system of electric vehicle and control method thereof |
10/28/2010 | WO2010122513A1 Power supply with adapted output voltage |
10/28/2010 | WO2010122401A1 Vector control method for electric motors |
10/28/2010 | US20100270095 Hybrid construction machine and method of controlling hybrid construction machine |
10/28/2010 | DE102009017023A1 Antriebssystem für eine Anlage mit einem Wechselspannungsinselnetz Drive system for a plant with an AC voltage islanding |
10/28/2010 | CA2759678A1 Power conversion device |
10/27/2010 | CN201616807U 永磁电机直驱式螺杆泵抽油机的电机控制装置 Direct drive permanent magnet motor screw pumping motor control device |
10/27/2010 | CN201616806U 单相变频调速控制系统 Single-phase frequency control system |
10/27/2010 | CN101874346A Controlling a power of an electrical motor |
10/27/2010 | CN101874345A Control of heavy machines |
10/27/2010 | CN101873101A Automotive motor controller |
10/27/2010 | CN101873100A Simplified phase-voltage reconstruction method of three-level converter |
10/27/2010 | CN101873095A Motor control device and controller thereof |
10/27/2010 | CN101870083A Portable rechargeable type on-site grinding device, grinding method and power supply box |
10/27/2010 | CN101331677B Control device and corresponding control method for a boost converter in a motor drive system |
10/27/2010 | CN101267183B Linear induction motor drive system |
10/26/2010 | US7822535 Internal combustion engine stop controller and stop control method |
10/26/2010 | US7821223 Vector controller for a permanent magnet motor and inverter module |
10/26/2010 | US7821216 Motor control method and control device |
10/21/2010 | WO2010119662A1 Synchronous electric motor driving system |
10/21/2010 | WO2010119620A1 Power circuit, and computer-readable recording medium containing a control program for power circuits |
10/21/2010 | WO2010119526A1 Inverter device, electric motor drive device, refrigeration/air-conditioning device, and electric power generation system |
10/21/2010 | WO2010119483A1 Polyphase ac motor, driving device and driving method therefor |
10/21/2010 | DE102009016764A1 Method for controlling drive system for e.g. compressors, involves operating pulse power converter having higher impulse repetition frequency with less motor load of synchronous motor, and producing motor current with small motor load |
10/21/2010 | DE102009016306A1 Arrangement for power supply system for self-sufficient operation of main drive motor, has frequency converter with control unit connected with direct current converter and drive auxiliary equipment by communication lines |
10/20/2010 | CN201611866U 抽油机节电控制柜 Pumping energy-saving control cabinet |
10/20/2010 | CN201611864U 一种直流电源永磁同步交流电动机调速器 A DC power permanent magnet synchronous AC motor speed controller |
10/20/2010 | CN201611767U 电动车的电源控制系统 The power control system of the electric vehicle |
10/20/2010 | CN101867344A Ceaseless intelligent power saving device |
10/20/2010 | CN101247103B Motor control device |
10/19/2010 | US7818111 Motor control apparatus and motor control method |
10/14/2010 | WO2010116865A1 Indirect matrix converter, device for controlling the slewing of machinery, and machinery |
10/14/2010 | WO2010116840A1 Induction motor control device and induction motor group control system |
10/14/2010 | WO2010116815A1 Ac motor control device and ac motor driving system |
10/14/2010 | WO2010116787A1 Electric motor control device |
10/14/2010 | WO2010116769A1 Rotating electric machine control device |
10/14/2010 | WO2010116417A1 Drive control system |
10/14/2010 | WO2010048684A3 Method and system for actuating a variable speed electric engine for a compressor, variable capacity compressor and refrigeration system |
10/14/2010 | US20100259205 System for powering an electric machine |
10/14/2010 | DE102009018143A1 Chirurgische Motorsteuerungs- und/oder -regelungsvorrichtung, chirurgisches Antriebssystem und Verfahren zum Steuern und/oder Regeln einer chirurgischen Antriebseinheit Surgical motor control and / or -regelungsvorrichtung, surgical drive system and method for controlling and / or regulating a surgical drive unit |
10/14/2010 | DE102009007959A1 Electric motor system, has electric motor with stator windings provided with winding taps from which primary side of transducer i.e. inductive transducer, is supplyable, where load is supplyable from secondary side of transducer |
10/13/2010 | CN201608690U 蒸发式冷气机的变频调速装置 Frequency control devices evaporative air-conditioners |
10/13/2010 | CN201608689U 电动变桨控制装置和电动变桨控制系统 Electric pitch control devices and electric pitch control system |
10/13/2010 | CN201608688U 一种防止短路的变频控制电路 An inverter control circuit to prevent short circuits |
10/13/2010 | CN201608687U 矿用隔爆兼本质安全型变频调速装置 Mine explosion-proof and intrinsically safe frequency control devices |
10/13/2010 | CN201608686U 一种变频器检测电机剩磁硬件电路 One kind of hardware circuit inverter detects motor remanence |
10/13/2010 | CN201608685U 用于检验变频柜的便携式调速器 Inspection frequency counters for portable governor |