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