Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
10/2012
10/31/2012CN101989833B Control device of induction motor and application thereof
10/31/2012CN101584106B System and method to extend synchronous operation of an active converter in a variable speed drive
10/30/2012US8299747 Single-stage zero-current switching driving circuit for ultrasonic motor
10/30/2012US8299739 Motor drive
10/26/2012WO2012144662A1 Winding synchronous machine having a moving object including an inverter circuit, and method for controlling same
10/26/2012WO2012144456A1 Control apparatus for motor and control method for motor
10/26/2012WO2012144290A1 Motor control device
10/26/2012WO2012144000A1 Control apparatus for ac motor
10/26/2012WO2012038184A3 System for charging an energy store, and method for operating the charging system
10/26/2012WO2012038182A3 System for charging an energy store, and method for operating the charging system
10/25/2012US20120268056 Induction motor driver
10/25/2012DE102011079904A1 Driving device for use in e.g. tram, has direct voltage terminal supplying electrical power to three-phase electromotor over inverter, where neutral point of electromotor is attached to direct voltage terminal
10/24/2012EP2514089A1 System for driving elongated electric machines
10/24/2012CN202503475U Inverter controller
10/24/2012CN202503474U Variable frequency speed regulation device with wide input voltage range
10/24/2012CN202503473U Frequency converter for controlling asynchronous motor
10/24/2012CN202503470U Alternating current servo motor speed control system
10/24/2012CN102754331A Electric vehicle power conversion device
10/24/2012CN102751945A Large-power alternating current-alternating current variable frequency speed regulating system suitable for large-power mine hoist
10/24/2012CN102751944A Method and system for controlling middle/high voltage frequency converter
10/24/2012CN102751943A Electronic control system of electric workover rig
10/24/2012CN102751942A Circuit with output by motor driving and throttle control mechanism as well as excavator
10/24/2012CN102751941A General frequency converter torque lifting system and method
10/24/2012CN102751938A Alternating current speed regulating system suitable for mine ventilator
10/24/2012CN102751932A Apparatus for carrying out improved control of rotary machine
10/24/2012CN102223139B Method for realizing direct torque control by single current sensor
10/24/2012CN101917158B Dead-zone compensation method for voltage source inverter
10/23/2012US8294413 Induction motor control systems and methods
10/23/2012US8294411 Sensorless induction motor control device having function of correcting slip frequency of motor
10/23/2012US8294407 Motor controller and electric power steering system
10/18/2012US20120262099 Jack-up platform
10/18/2012DE102012007018A1 Motor controlling apparatus for converting alternating current electric power into direct current electric power for controlling motor of servo system, has rectifier control section transmitting information form numerical control section
10/18/2012DE102011007491A1 Steuervorrichtung und Verfahren zum Betrieb einer durch einen Wechselrichter angesteuerten elektrischen Maschine Control apparatus and method for operating a driven by an inverter electric machine,
10/17/2012EP2511123A1 Propulsion control device
10/17/2012CN202495910U Rotor variable frequency redundancy speed control device
10/17/2012CN202495909U Plane shaking table speed governor
10/17/2012CN102742152A Power converter
10/17/2012CN102742151A Rotating electrical-machine control system and method of manipulating magnet temperature of rotating electrical machine
10/17/2012CN102742147A Elevator control device
10/17/2012CN102742144A Method for reducing the starting current of a polyphase machine operated by block commutation
10/17/2012CN102742139A Inverter and overload protection method
10/17/2012CN102741019A Motorized tool
10/17/2012CN102739153A Variable speed drive with optimized architecture
10/17/2012CN102739152A Medium voltage inverter system
10/17/2012CN102739148A Device and method for carrying out hovering control on variable frequency driven load non-position encoder
10/17/2012CN102739135A Air conditioner and conversion apparatus used in air conditioner
10/17/2012CN102739088A Multi-phase voltage source two-level inverter control method
10/17/2012CN102739070A Energy feedback type three-phase high-voltage frequency converter
10/17/2012CN102739068A Ground scheme identification method
10/17/2012CN102738878A Charging/inverting integrated device for pure electric vehicle
10/17/2012CN101689814B Electric compressor control device
10/16/2012US8288985 Control apparatus for electric rotating machine
10/16/2012US8286740 Hybrid working machine
10/11/2012WO2012137587A1 Inverter device
10/11/2012WO2012137300A1 Control apparatus for electric motor, electric vehicle provided with same, and method for controlling electric motor
10/11/2012WO2012038208A3 Method for transferring energy between at least two power cells in a controllable energy store
10/11/2012WO2011045192A3 Method and system for electrically powering a vehicle
10/11/2012US20120256571 Power supply device
10/11/2012US20120256568 Multi-port reconfigurable battery
10/11/2012DE112009004776T5 Motorantriebssteuervorrichtung Motor drive control device
10/10/2012EP2509210A1 Control apparatus for electric-powered power steering apparatus
10/10/2012CN202488430U Frequency changer and orthogonal signal processing circuit
10/10/2012CN202488404U Flameproof variable-frequence governor
10/10/2012CN202488403U Magnetic coupling intelligent frequency conversion control cabinet
10/10/2012CN202488402U Variable-frequency energy-saving protection device for oil field
10/10/2012CN202488401U Power-grid driven energy-saving device for oil rig
10/10/2012CN102723910A Frequency conversion dragging system power-fail processing circuit
10/10/2012CN101202528B Electronic device and electric motor frequency converter
10/10/2012CN101179248B Motor driving device and method
10/04/2012WO2012134839A2 Rate limited common mode control for pulse-width modulation drives
10/04/2012WO2012133799A1 Motor-ripple inhibiting apparatus and motor-ripple inhibiting method
10/04/2012WO2012133241A1 Inverter for driving motor
10/04/2012WO2012133220A1 Control device
10/04/2012WO2012132703A1 Motor control apparatus
10/04/2012WO2012132188A1 Vehicle control device and control method
10/04/2012WO2012131995A1 Alternating current motor drive device
10/04/2012WO2012131880A1 Alternating current motor drive device
10/04/2012US20120249046 Rate Limited Common Mode Control for Pulse-Width Modulation Drives
10/04/2012US20120249045 Medium voltage inverter system
10/04/2012US20120249044 Inverter for driving an electric motor comprising an integrated regulator
10/04/2012US20120249031 Variable speed drive with optimized architecture
10/04/2012US20120249026 Dc electric fan and driving system thereof
10/04/2012US20120249021 Information transmission apparatus
10/04/2012US20120249020 Drive circuit for switching element
10/04/2012DE112009002569T5 Steuereinrichtung und Steuerverfahren für einen Wechselmotor Control device and control method for an alternating motor
10/04/2012DE102012205471A1 Motoransteuervorrichtung Motor driving
10/04/2012DE102011015977A1 Verfahren zur Inbetriebnahme einer elektronischen Ansteuerschaltung eines elektrischen Motors und Schaltungsanordnung hierzu Procedures for placing an electronic control circuit of an electric motor and circuit this
10/04/2012DE102011015327A1 Umrichteranordnung, Verfahren zum Herstellen einer Umrichteranordnung und Verfahren zum Betreiben einer Umrichteranordnung Converter arrangement, method for manufacturing a converter arrangement and method for operating a converter arrangement
10/03/2012CN202475365U Controller with frequency conversion function
10/03/2012CN202475364U Stepless speed adjusting device of alternating current motor driven by single-phase power supply
10/03/2012CN202475363U Motor electricity-saving device
10/03/2012CN102714483A Rescue operation device of elevator
10/03/2012CN102714457A Power conversion device
10/03/2012CN102710216A Speed regulation protection device for alternating current electric hand drill
10/03/2012CN102710100A Method for calculating and generating SPWM (Sinusoidal Pulse Width Modulation) for thread spinner frequency converter by using real-time sine values
10/03/2012CN102708669A Information transmission apparatus
10/03/2012CN101796718B 旋转电机控制系统 Rotary motor control system
10/03/2012CN101677226B Blower motor for HVAC systems
10/03/2012CN101087108B A power unit bypass machine of high-voltage frequency conversion and speed-adjusting device
10/02/2012US8278865 Control device
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