| 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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| 11/19/2013 | US8584459 Engine induction system |
| 11/14/2013 | WO2013168530A1 Power source control device for rotating electrical machine |
| 11/14/2013 | WO2013064474A3 Method and apparatus for operating an electronically commutated electrical machine in the event of a fault |
| 11/14/2013 | US20130300337 Motor control device |
| 11/14/2013 | DE102013208354A1 Motorsteuervorrichtung und elektrische Servolenkung, welche dieselbe verwendet The motor control apparatus and electric power steering apparatus, which uses the same |
| 11/14/2013 | DE102012108783A1 Escalator or moving pavement, has control device adjusting output frequency of frequency converter based on parameter e.g. load condition, detected by sensor, for regulating input voltage of asynchronous motor |
| 11/13/2013 | EP2662978A1 Fault tolerant DC power systems |
| 11/13/2013 | EP2662977A1 Motor controller |
| 11/13/2013 | EP2662976A1 Motor control device |
| 11/13/2013 | EP2662975A1 High voltage DC power generation |
| 11/13/2013 | EP2661810A1 Apparatus for determining the position of the rotor of an electric machine |
| 11/13/2013 | CN203289379U A frequency conversion circuit for converting frequency and regulating speed of AC with high voltage and large power |
| 11/13/2013 | CN203289378U Electric workover rig control system based on supercapacitor power compensation |
| 11/13/2013 | CN203289377U Frequency-conversion driving board and control-board interface circuit |
| 11/13/2013 | CN203289376U A frequency conversion circuit for a mahjong machine motor |
| 11/13/2013 | CN203289375U An optimization energy saving cabinet for a limestone slurry circulating pump system in a power plant |
| 11/13/2013 | CN203289374U An optimization energy saving cabinet for a gypsum slurry discharge pump system in a power plant |
| 11/13/2013 | CN203289330U Modularization explosion-proof frequency converter and cabinet thereof |
| 11/13/2013 | CN203288937U An optimization energy saving cabinet for a fuel pump system in a power plant |
| 11/13/2013 | CN103391043A A control apparatus for a power converter connected to a rotary machine which is operable as a drive motor of a vehicle |
| 11/13/2013 | CN103391042A Motor driving device capable of avoiding surge current |
| 11/13/2013 | CN101989813B Multi-phase DC/DC boost converter |
| 11/12/2013 | US8581541 Motor drive with configurable signal conditioning apparatus and method |
| 11/12/2013 | US8581535 Drive unit |
| 11/07/2013 | WO2013030043A3 Electrical motor having a test current source |
| 11/07/2013 | WO2013023806A3 Actuation method for three-phase current machine and three-phase current machine device |
| 11/07/2013 | WO2012035385A3 Inverter apparatus and inverter control method |
| 11/07/2013 | US20130293177 Motor control device and motor control method |
| 11/07/2013 | US20130293175 Apparatus and method for high efficiency operation of fuel cell systems |
| 11/07/2013 | US20130293165 System for coupling at least one dc source to a controllable energy store and associated operating method |
| 11/06/2013 | EP2659579A1 System for controlling a voltage inverter supplying power to a multiphase electrical motor of a motor vehicle |
| 11/06/2013 | CN203278743U 电机变频控制器 Motor frequency controller |
| 11/06/2013 | CN203278742U IRMCK171 chip-based refrigerator compressor frequency converter |
| 11/06/2013 | CN203278741U Novel frequency converter for circular weaving machine |
| 11/06/2013 | CN203278740U Energy-saving control system for hydraulic station power-saving cabinet |
| 11/06/2013 | CN203278516U Distributed type high protective grade frequency conversion driving integrated machine |
| 11/06/2013 | CN103384959A System for controlling a voltage inverter supplying power to a multiphase electrical motor of a motor vehicle |
| 11/06/2013 | CN103384747A Hybrid-type construction machine |
| 11/06/2013 | CN103384138A Controlling the temperature of a component based on an attribute of a conductive member |
| 11/06/2013 | CN103384137A Method of optimising input components |
| 11/06/2013 | CN103384136A Sintering belt feeding system improving method |
| 11/06/2013 | CN102201755B Mixed clamping type four-level converter |
| 11/06/2013 | CN102148602B Apparatus for driving compressor of air conditioner and method for driving the same |
| 11/06/2013 | CN101981808B Motor control device |
| 11/06/2013 | CN101978594B Servo motor position control device |
| 11/05/2013 | US8575885 Motor drive system, control method of motor drive system, and traveling device |
| 11/05/2013 | US8575884 Motor drive control system enabling connection of direct current/alternating current conversion device |
| 11/05/2013 | US8575883 Power unit for electric vehicle |
| 11/05/2013 | US8575882 Power layer generation of inverter gate drive signals |
| 10/31/2013 | WO2013161159A1 Inverter device and pwm signal control method |
| 10/31/2013 | WO2013128478A3 Using pulse width modulation in a single phase drive system |
| 10/31/2013 | WO2013128476A3 Sine triangle pwm in single phase system |
| 10/31/2013 | US20130285585 Power inverter suitable for a vehicle |
| 10/31/2013 | DE112011104777T5 Wechselstrommotor-Antriebsvorrichtung AC motor driving device |
| 10/30/2013 | EP2658113A2 Motor control multilayer circuit board |
| 10/30/2013 | CN203261292U Switchable conduction type two-phase alternating-current variable-frequency motor driving circuit |
| 10/30/2013 | CN203261291U Motor drive device |
| 10/30/2013 | CN203261290U Alternating current fan speed regulation circuit used for solar inverter |
| 10/30/2013 | CN203261289U Controller of alternating-current motor |
| 10/30/2013 | CN203261288U Multi-processor control device for alternating-current servo motor |
| 10/30/2013 | CN203261046U Efficiency-enhancing and energy-saving device for oil pumping unit in oil field |
| 10/30/2013 | CN103378801A Motor driving apparatus and method |
| 10/30/2013 | CN103378800A Controller capable of improving operation efficiency of motor drive and method |
| 10/30/2013 | CN103378799A Motor drive apparatus |
| 10/30/2013 | CN103378798A Variable frequency driving system of anchor winch |
| 10/30/2013 | CN103378796A Motor control apparatus equipped with delta-sigma modulation ad converter |
| 10/30/2013 | CN103378795A Motor control apparatus equipped with delta-sigma modulation ad converter |
| 10/30/2013 | CN103378793A Method, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machine |
| 10/30/2013 | CN103378790A Control device for a three-phase rotating machine |
| 10/30/2013 | CN103378754A Rectifier circuit and motor driving device using the same |
| 10/30/2013 | CN103378743A Converter control device and air conditioner including converter control device |
| 10/30/2013 | CN103376385A High-frequency signal injection based high voltage interlock |
| 10/30/2013 | CN102315817B Motor control system for detecting fault of current sensor and control method |
| 10/24/2013 | WO2013157240A1 Retarder |
| 10/24/2013 | WO2013110501A3 Method for actuating a bldc motor |
| 10/24/2013 | WO2013064486A3 Electrical system |
| 10/24/2013 | US20130278194 Power Inverter |
| 10/24/2013 | DE102013207121A1 System zur Steuerung einer Regelgrösse einer rotierenden Maschine A system for controlling a controlled variable of a rotating machine |
| 10/23/2013 | EP2654201A2 Load filters for medium voltage variable speed drives in electrical submersible pump systems |
| 10/23/2013 | EP2654190A2 Method for operating an electric circuit |
| 10/23/2013 | CN203251269U Inverting device applied to automatic energy-saving compensation |
| 10/23/2013 | CN203251268U Permanent magnet synchronous motor control system based on automatic zero set of encoder |
| 10/23/2013 | CN103370872A Motor controller |
| 10/23/2013 | CN103370871A 电动机控制装置 A motor control unit |
| 10/23/2013 | CN103370868A 电动机控制装置 A motor control unit |
| 10/23/2013 | CN103368498A 马达控制装置 Motor control means |
| 10/23/2013 | CN103368497A Motor drive device |
| 10/23/2013 | CN103368496A Frequency converter M/T velocity-measuring system and method based on DSP (Digital Signal Processor) |
| 10/23/2013 | CN103368495A One-driven-two control method and control system of high voltage frequency converter |
| 10/23/2013 | CN103368494A A rotor frequency conversion redundancy speed adjusting device |
| 10/23/2013 | CN103368493A Improved hard pre-charge for parallel inverters |
| 10/23/2013 | CN103368489A PWM variable frequency speed control system based on control of DSP |
| 10/23/2013 | CN103368488A Controller for multi-phase rotary device |
| 10/23/2013 | CN103368440A Method for determining current space vector and converter |
| 10/23/2013 | CN103368429A Circuits arranged to produce first and second outputs and method for controlling same |
| 10/23/2013 | CN103368239A A circuit for charging a battery and for driving a three-phase electrical machine |
| 10/23/2013 | CN102647148B Equipment, method and system used for lifting variable frequency motor and engineering machinery equipment |
| 10/23/2013 | CN102386844B Motor driving apparatus having DC link voltage regulating function |
| 10/23/2013 | CN102187568B Energy recovery device in variable-frequency drive |
| 10/23/2013 | CN101997474B Motor controller for vehicle |