| 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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| 06/19/2013 | CN203014739U Cutting knife driving device based on variable frequency speed regulation |
| 06/19/2013 | CN203014738U Three-phase AC motor controlling device based on DC motor control cabinet |
| 06/19/2013 | CN203014737U Multi-mode intelligent motor power-saving application system based on Internet of things |
| 06/19/2013 | CN203014736U Concrete mixing station variable frequency energy saving system |
| 06/19/2013 | CN203014735U Mine hoist speed regulating system with remote transmission and control |
| 06/19/2013 | CN103166570A Motor control device |
| 06/19/2013 | CN103166569A Drive system of motor |
| 06/19/2013 | CN103166568A Pulse-width modulation (PWM) alternating current (AC) variable frequency speed regulating master control circuit |
| 06/19/2013 | CN103166567A Apparatus and method for compensating offset of current sensor |
| 06/19/2013 | CN103166566A Three-phase motor driving control device |
| 06/19/2013 | CN103166560A Control device of motor |
| 06/19/2013 | CN102113204B Synchronous electric motor driving system |
| 06/19/2013 | CN101796717B Controller of motor |
| 06/19/2013 | CN101710822B Motor drive device and main frame |
| 06/19/2013 | CN101611217B Power plant comprising a consumer and method for operating said power plant |
| 06/13/2013 | WO2013084461A1 Electric motor control device |
| 06/13/2013 | WO2013084289A1 Power conversion device |
| 06/13/2013 | WO2012127236A3 A control system for an inverter and a method of controlling an inverter |
| 06/13/2013 | DE102012216806A1 Pulsweitenmodulations-Steuerung Pulse width modulation control |
| 06/12/2013 | EP2602486A1 Hermetically sealed compressor |
| 06/12/2013 | CN202998006U Motor rotation speed-variation apparatus of manipulator |
| 06/12/2013 | CN202998005U High-end intelligent frequency converting control circuit |
| 06/12/2013 | CN202998004U Intelligent power-saving controller of three-phase asynchronous motor |
| 06/12/2013 | CN202998003U Power-saving control circuit of squirrel-cage asynchronous motor |
| 06/12/2013 | CN202997986U Direct current brushless motor driving device |
| 06/12/2013 | CN202991565U Fuzzy control frequency conversion system based on PLC (programmable logic controller) |
| 06/12/2013 | CN103155400A Motor constant calculating method for pm motor, and motor constant calculating device |
| 06/12/2013 | CN103155399A Current control gain adjusting method for pm motor, current control method, and control device |
| 06/12/2013 | CN103155398A Electric motor and motor control |
| 06/12/2013 | CN103155396A Controller |
| 06/12/2013 | CN103154636A Heat pump device, heat pump system and three-phase inverter control method |
| 06/12/2013 | CN103151984A DC-DC converter system of an electric vehicle and control method thereof |
| 06/12/2013 | CN103151972A Control apparatus for electric rotating machine |
| 06/12/2013 | CN102237846B Motor driving apparatus |
| 06/12/2013 | CN101944878B Induction motor parameter identification |
| 06/11/2013 | US8461789 Control of sinusoidally driven brushless DC (BLDC) motors |
| 06/06/2013 | WO2013080610A1 Power converter, electric motor drive device, and air conditioner |
| 06/06/2013 | WO2013080377A1 Rotating electric machine and device equipped with rotating electric machine |
| 06/06/2013 | WO2013080346A1 Inverter device for electric vehicle |
| 06/06/2013 | WO2012152465A3 Method and device for controlling an electric machine |
| 06/06/2013 | WO2012126560A3 Drive system and method for operating a drive system |
| 06/06/2013 | WO2012056700A3 Power tool system and power supply device |
| 06/06/2013 | DE102012022971A1 Motor-Ansteuervorrichtung mit einer Stromausfall-Erfassungseinheit zur Bestimmung des Vorhandenseins oder des Fehlens eines Stromausfalls The motor driver having a power failure detection unit for determining the presence or absence of a power outage |
| 06/06/2013 | DE102011120139A1 Ansteuereinrichtung für eine elektrische Antriebsvorrichtung sowie Verfahren zum Ansteuern einer elektrischen Antriebseinrichtung The drive device for an electric driving device and method of driving an electric driving means |
| 06/05/2013 | EP2600519A1 Control apparatus of ac rotating machine |
| 06/05/2013 | EP2600518A1 Control apparatus for ac rotating machine |
| 06/05/2013 | EP2599214A2 Multi-leveled voltage drive for electric machine with phase shifted winding sets |
| 06/05/2013 | CN202978817U Control circuit of alternating energy-saving variable-frequency sewing machine motor |
| 06/05/2013 | CN202978816U Frequency conversion and speed regulation system by using slip frequency vector to control traction |
| 06/05/2013 | CN202978815U Rectification traction device and diesel multiple units |
| 06/05/2013 | CN202978814U An electricity-saving controller of an oil pumping motor |
| 06/05/2013 | CN202978813U Motor controller with energy storage portion |
| 06/05/2013 | CN202978812U A solar-energy electricity-saving controller of an oil pumping motor |
| 06/05/2013 | CN202978811U A solar-energy electricity-saving controller module of an oil pumping motor |
| 06/05/2013 | CN202978810U Elevating mechanism based on double PWM variable-frequency double-fed motor |
| 06/05/2013 | CN202978791U Brushless direct current motor driver based on Z source |
| 06/05/2013 | CN202978749U High-voltage motor mutual-driving device adopting common direct current bus |
| 06/05/2013 | CN202978725U Moisture-discharging dust-removing fan frequency converter of tobacco drier |
| 06/05/2013 | CN202978718U Matrix type converter |
| 06/05/2013 | CN103138675A High-voltage inverter sharing direct current (DC) bus |
| 06/05/2013 | CN103138674A High-power brushless double fed motor variable frequency speed regulation system and control method |
| 06/05/2013 | CN102403946B Equivalent AC-DC-AC matrix high voltage frequency converter control method based on space vector modulation |
| 06/05/2013 | CN102192355B 电动执行器 Electric Actuator |
| 06/05/2013 | CN102082533B Motor driving circuit and motor equipped with the motor driving circuit |
| 06/05/2013 | CN101304234B Power converters |
| 06/04/2013 | US8456128 Multi output inverter |
| 06/04/2013 | US8456116 Power supply system and method with remote variable frequency drive (VFD) |
| 05/30/2013 | WO2013077888A1 Combination charger and motive power device |
| 05/30/2013 | WO2012127011A3 Method for controlling a rotating electric machine in an open-loop or closed-loop manner, and rotating electric machine |
| 05/29/2013 | DE102011119644A1 Steuern eines elektrischen Verbrauchers eines Luftfahrzeugs Controlling an electrical load of an aircraft |
| 05/29/2013 | CN202957788U Sinusoidal pulse width modulation (SPWM) intelligent speed regulation device |
| 05/29/2013 | CN103125069A Multi-leveled voltage drive for electric machine phase shifted winding sets |
| 05/29/2013 | CN103124160A Power system controlling and monitoring power semiconductor devices emplloying two serial signals |
| 05/29/2013 | CN102025319B Low inductance power electronics assembly |
| 05/29/2013 | CN101874346B Controlling a power of an electrical motor |
| 05/29/2013 | CN101860315B Motor control system for achieving peak torque |
| 05/29/2013 | CN101737345B Small-sized heat radiating fan |
| 05/23/2013 | WO2013073547A1 Motor control device for electric automobile |
| 05/23/2013 | WO2013073033A1 Control device for alternating current rotating machine, and electric power steering device equipped with control device for alternating current rotating machine |
| 05/22/2013 | EP2595303A1 Power conversion system |
| 05/22/2013 | CN103117698A Voltage space vector PWM (pulse width modulation) control method based on three-phase independent H-bridge drive circuit |
| 05/22/2013 | CN102291085B Asynchronous motor frequency converter device with low-voltage ride through capability |
| 05/22/2013 | CN101946391B Permanent magnet type rotating motor |
| 05/22/2013 | CN101931353B Control method for brushless direct current motor for automotive air conditioning fan |
| 05/22/2013 | CN101762780B Motor control and detection circuit of forced-exhaust gas water heater |
| 05/22/2013 | CN101312333B Power converter |
| 05/18/2013 | CA2795737A1 Regenerative variable frequency drive |
| 05/18/2013 | CA2794873A1 Power system controlling and monitoring power semiconductor devices emplloying two serial signals |
| 05/16/2013 | WO2013069747A1 Motor drive device |
| 05/16/2013 | WO2012103995A3 Method and apparatus for controlling a pulse-controlled inverter which is used for controlling an electrical machine |
| 05/16/2013 | WO2012010908A3 Method and apparatus for control of a synchronous permanent magnet motor, particularly over a long cable in a well |
| 05/16/2013 | US20130119910 Elevator motor power supply control |
| 05/16/2013 | US20130119903 Ac pre-charge circuit |
| 05/16/2013 | US20130119902 System and Method for Managing DC Link Switching Harmonics |
| 05/16/2013 | US20130119901 System for Managing DC Link Switching Harmonics |
| 05/16/2013 | DE102011086079A1 Verfahren und Vorrichtung zum Ansteuern einer elektrischen Maschine Method and apparatus for driving an electrical machine |
| 05/15/2013 | CN103109456A Motor driving system and motor system |
| 05/15/2013 | CN103109437A Method for transferring energy between at least two power cells in a controllable energy store |
| 05/15/2013 | CN103107770A Control device and control method of alternating current motor? |
| 05/15/2013 | CN103107769A Power conversion device and over-current protection circuit |