Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
06/2010
06/30/2010CN101764570A Outdoor box type frequency conversion control station
06/30/2010CN101764569A Timer/counter multifunctional multiplexing algorithm and device
06/30/2010CN101762780A Motor control and detection circuit of forced-exhaust gas water heater
06/30/2010CN101409527B Power supply method for asynchronous motor
06/29/2010US7746039 Method for controlled application of a stator current set point value and of a torque set point value for a converter-fed rotating-field machine
06/29/2010US7746038 System and method for suppressing DC link voltage buildup due to generator armature reaction
06/24/2010WO2010070723A1 Power converter for driving motor
06/24/2010DE102008064078A1 Verfahren zum Starten einer doppelt-gespeisten Asynchronmaschine A method of starting a double-fed asynchronous machine
06/24/2010CA2746356A1 Power converting apparatus for motor driving
06/23/2010EP2200174A1 Motor control device and magnetic pole position estimation method
06/23/2010CN201515321U Frequency converter main circuit capable of improving brake performance
06/23/2010CN201514563U Control system for improving running efficiency of hoist
06/23/2010CN201512374U Tower type crane swinger vortex controller
06/23/2010CN201512359U Electric controller of energy-saving variable frequency feedback crane
06/23/2010CN201511534U Position trimming device applied to glass reinforced plastic hydraulic press
06/23/2010CN201511297U Portable rechargeable type in-situ grinding device and power box
06/23/2010CN101755384A Inverter control device and vehicle
06/23/2010CN101755383A Motor control device, drive device, and hybrid drive device
06/23/2010CN101755381A Converter apparatus, rotary electric machine controller and drive unit
06/23/2010CN101753096A Power limiter and power control method
06/23/2010CN101753095A Talking frequency changer and frequency changer system
06/23/2010CN101753071A Single-phase motor driving device and driving method thereof
06/23/2010CN101752930A Polyphase alternating-current motor and electric power steering apparatus
06/23/2010CN101751044A 速度控制器 Speed ​​Controller
06/23/2010CN101745215A Electric roller blades
06/23/2010CN101355285B Multilayer combined straight-line reluctance generator and electric generator using wave energy
06/23/2010CN101330274B Controller for multifunctional nine-level frequency-conversion voltage-regulating energy-saving equipment with high power and high voltage
06/23/2010CN101272126B Full speed range control method and control device of double-feedback electric motor
06/17/2010WO2010068426A1 Electric energy storage integrated within or proximate to electrically driven flight control actuators
06/17/2010WO2010067021A2 Device with a polyphase electrical machine, and related electrical machine
06/17/2010US20100148719 Power Control For Induction Motors Using Variable Frequency AC Power
06/17/2010US20100148708 Voltage scaling of an electric motor load to reduce power consumption
06/17/2010DE102008054744A1 Method for operation of electrical auxiliary or power steering, involves identifying load bridge section, which has real or theoretically high power load opposite to bridge section
06/17/2010CA2743576A1 Electric energy storage integrated within or proximate to electrically driven flight control actuators
06/16/2010EP2197104A1 Controller of rotary electric machine
06/16/2010EP2196378A1 Wheel diameter measuring instrument for electric vehicle
06/16/2010CN201509176U Brushless motor control system and brushless motor
06/16/2010CN1922783B Induction motor stopping method and control apparatus
06/16/2010CN101741312A Method for controlling servo motor driving system
06/16/2010CN101741311A Motor drive circuit and electric power steering apparatus
06/16/2010CN101741310A Electrical control structure
06/16/2010CN101741299A Method for regulating speed of brushless direct current motor supplied with power by four-switch three-phase inverter
06/16/2010CN101741297A Method and device for inversely controlling fuzzy compensation of radial position of bearing-free synchronous reluctance motor
06/16/2010CN101737345A Small-sized heat radiating fan
06/16/2010CN101734174A Pole-variable and frequency-variable speed regulation electric car drive device
06/10/2010WO2010064402A1 Motor drive device, and compressor and refrigerator using same
06/10/2010US20100141194 Pump Controller System and Method
06/10/2010US20100141188 Motor drive
06/10/2010US20100140003 Electric motor control device, drive device and hybrid drive device
06/10/2010DE19960491C5 Vorrichtung und Verfahren zur Regelung des Antriebs einer Fördereinrichtung Apparatus and method for controlling the drive of a conveyor device
06/09/2010EP2194643A1 Controller for electric motor
06/09/2010EP2193600A2 Method for controlling the power supply of an electric machine with variable reluctance
06/09/2010CN201504222U Special frequency converter for spinning
06/09/2010CN201504221U Variable frequency control system of motor
06/09/2010CN201504220U Elevator power conservation device using super capacitor
06/09/2010CN201504219U Energy-storage pumping unit power saving device with super capacitor
06/09/2010CN201504218U Power-saving frequency converter for elevators
06/09/2010CN201504217U Digital mine explosion-proof variable-frequency electric controller
06/09/2010CN201504216U Multi-driving-belt feedback alternating current variable frequency control device of excavator
06/09/2010CN201504207U AC drive system with energy feedback
06/09/2010CN201501319U Variable-frequency subpower high-speed vehicle
06/09/2010CN101729020A Apparatus for energy transfer using converter and method of manufacturing same
06/09/2010CN101729019A Electric motor driving device and motor driving method
06/09/2010CN101729018A Electric motor driver
06/09/2010CN101729017A Control apparatus for induction motor
06/09/2010CN101729007A Power converter device and elevator using the same
06/09/2010CN101726135A Air-conditioning system with two working modes and control method thereof
06/09/2010CN101725163A Hybrid working machine
06/09/2010CN101723215A Method for detecting and compensating starting torque of frequency transformer for elevator
06/09/2010CN101355340B Control method for automatically switching standby power of synchronous motor
06/09/2010CN101232269B Motor drive system for railway vehicle
06/09/2010CN101194415B Controller of field winding type synchronous motor, electric drive system, electric four wheel driving vehicle, and hybrid automobile
06/09/2010CN101174814B Stepless gear and method of electric motor
06/09/2010CN101174794B Power supply circuit and control circuit for use in the same
06/09/2010CN101039098B Motor driving apparatus
06/08/2010US7733045 Motor driving circuit
06/04/2010CA2686368A1 Torsional mode damping apparatus
06/03/2010WO2010061918A1 Electric motor control device and operation control method
06/03/2010WO2010060235A1 A method for improving the cooling capacity of a direct air cooling system of power plants and such a cooling system
06/03/2010WO2010027742A3 Voltage control and power factor correction in ac induction motors
06/03/2010US20100137099 Power generating apparatus and method for assisting engine
06/03/2010US20100134064 Method and apparatus for estimating a rotation speed of an electric motor
06/03/2010US20100134054 Fan and motor control device
06/03/2010US20100133024 Vehicle
06/02/2010EP2192684A1 Variable magnetic flux drive system
06/02/2010EP2192683A2 Phase current estimation device of motor and magnetic pole position estimation device of motor
06/02/2010CN201499347U Light dimming and speed regulating control circuit
06/02/2010CN201499132U Special variable-frequency energy-saving control device for oil pumping machine
06/02/2010CN201499131U Rotor frequency changing speed regulating device based on liquid resistance speed regulation
06/02/2010CN201497325U Control mechanism of five-layer wire dryer
06/02/2010CN101719751A Method and device for soft stop control for pump loaded motor
06/02/2010CN101440991B Control method of low voltage operating fixed speed air conditioner
06/02/2010CN101355337B Control method for driving permanent magnet synchronous motor base on magnetic field orthotropic control
06/02/2010CN101320957B Control device of primary winding segmenting structure permanent magnet synchronous linear electric motor
06/02/2010CN101295935B Optimizing PWM modulation method capable of restraining harmonic wave
06/02/2010CN101262201B Closed control system for PCB driller high-speed motor
06/02/2010CN101222203B Control apparatus for electric car
06/02/2010CN101188391B Motor control apparatus
06/02/2010CN101149115B 车辆及车辆的控制方法 Vehicles and vehicle control method
06/02/2010CN101064493B System and method for transient-based motor speed estimation with transient excitation
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