Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage
Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
12/2012
12/27/2012US20120326640 Adaptive flux control drive
12/27/2012DE102012011914A1 Motoransteuervorrichtung, die mit einer Energiespeichereinheit ausgestattet ist The motor driving device, which is equipped with an energy storage unit
12/27/2012DE102012002023A1 Method for operating inverter circuit of permanent magnet synchronous electric machine e.g. electric motor, involves operating electric machine in active short-circuit mode, when rotational speed is above threshold value
12/26/2012EP2537242A1 Dynamic application of cut-out pulses in alternating current power
12/26/2012CN202634361U Mine explosion-proof frequency conversion device with low switching frequency
12/26/2012CN202634360U Hybrid power control system based on synchronous rectification Buck-Boost bidirectional DC/DC converter
12/26/2012CN202634359U Multi-split inverter control apparatus for oil pumping unit
12/26/2012CN202634358U Local control box for high voltage variable frequency motor
12/26/2012CN202634340U Oil pumping unit intelligent control device capable of reducing high order harmonic
12/26/2012CN202634293U Frequency converter for engraving machine
12/26/2012CN202634241U High voltage frequency conversion apparatus with wireless remote control function
12/26/2012CN202633309U Insulated gate bipolar transistor (IGBT) power module applied to electric vehicle
12/26/2012CN202628092U Control system for cutting device of driving anchor machine
12/26/2012CN102844980A Refrigerating apparatus
12/26/2012CN102844979A Rotor phase/velocity estimation device for alternating-current motor
12/26/2012CN102844978A Method and device for operating asynchronous motor having increased efficiency
12/26/2012CN102844975A 泄漏电流降低装置 Leakage current reduction means
12/26/2012CN102843096A Method of controlling N electrical level inverters
12/26/2012CN102843095A Motor drive apparatus equipped with energy storage unit
12/26/2012CN102843094A High voltage variable frequency control system
12/26/2012CN102843092A Driving method for preventing resonance of variable frequency motor
12/26/2012CN102843059A Dead zone compensating method and device of voltage-type inverter
12/26/2012CN102025313B Vector control method based on counter potential feedforward control
12/26/2012CN101976955B Variable-pitch servo driver with function of energy storage
12/25/2012US8339090 Current control apparatus operable in wet environment
12/25/2012US8339078 Apparatus and method for providing information relating to a motor
12/20/2012WO2012171696A1 Hand-power tool
12/20/2012DE102011116615A1 Method for controlling three-phase converter for supply of voltage to three-phase system e.g. induction machine, involves switching operation of converter between modulation techniques, based on operating state of three-phase system
12/20/2012DE102011077560A1 Method for operating electric motor of roller of rolling mill system by power converter, involves guiding network-side converter during operating phase, and operating network-side converter in uncontrolled manner during idling phase
12/19/2012EP2535148A1 Motorized tool
12/19/2012EP2534750A2 Method for reducing the starting current of a polyphase machine operated by block commutation
12/19/2012CN202617064U Two-phase AC frequency-conversion motor drive circuit supplied by DC power supply
12/19/2012CN202617063U Energy-saving intelligent controller
12/19/2012CN202617062U Explosion-proof variable frequency speed adjuster with zero-current idle running mode
12/19/2012CN102835017A Inverter device and electric device using same
12/19/2012CN102832880A Method for controlling converter
12/19/2012CN102832879A Anti-pilfering electricity parameter-adjusting energy-saving device special for oil pumping unit
12/19/2012CN102832878A Controller assembly of alternating current motor
12/19/2012CN102832877A Ship inverter system
12/19/2012CN102832872A Multi-level matrix frequency converter based speed-regulating control system of mine hoist
12/19/2012CN102832804A Encoder signal transfer device and motor control system
12/19/2012CN102826054A Multi-functional integrated power electronic system of electric automobile
12/19/2012CN101870083B Portable rechargeable type on-site grinding device, grinding method and power supply box
12/19/2012CN101777868B Method and system for driving asynchronous motor servo for robot
12/19/2012CN101774354B Speed-regulating control device for underground coal mine storage battery vehicle
12/18/2012US8334670 Method and apparatus to monitor an electric motor control circuit
12/13/2012WO2012169269A1 Stability determination method, stability determination circuit, and power conversion device
12/13/2012WO2012168521A1 System and method for controlling an electronic inverter as a non-linear current source
12/13/2012WO2012168209A1 Wind turbine and method of operating a wind turbine
12/12/2012EP2533417A1 Apparatus for controlling rotating electrical machine and method for controlling rotating electrical machine
12/12/2012EP2532889A1 Wind turbine and method of operating a wind turbine
12/12/2012CN202602593U Multi-frequency stacking motor controller
12/12/2012CN202602592U Hybrid excitation starting/generating integrated motor power converter for vehicle
12/12/2012CN202602591U Explosion-proof variable-frequency governor with motor current-limiting function
12/12/2012CN202602590U Explosive-proof variable-frequency governor with energy feedback function
12/12/2012CN102820849A Variable frequency speed regulating method for multiple water injection pumps in oilfield water injection station
12/12/2012CN102820848A VOC voltage automatic adjusting method and frequency converter using same
12/12/2012CN102820847A Control communication device and method suitable for variable-frequency motor
12/12/2012CN102820846A Energy saving control system for pumping unit motor
12/12/2012CN102817200A Speed regulation device of setting machine
12/12/2012CN101953065B Motor drive control device
12/12/2012CN101855824B Inverter device for washing machine
12/12/2012CN101677223B Drive system of synchronous motor
12/12/2012CN101640462B Asynchronous AC induction electrical machines in cross-interlockingly parallel connection
12/12/2012CN101432175B Internal combustion engine stop control device and stop control method
12/12/2012CN101174813B Energy-saving control method of oil pumping machine
12/06/2012WO2012165042A1 Electric actuator drive device and actuator using same
12/06/2012WO2011143087A3 Chiller motor control system
12/06/2012US20120306425 Electric tool
12/06/2012US20120306413 Motor driving device comprising maximum output calculation unit of direct current conversion unit
12/06/2012DE102012209080A1 Elektroantrieb mit elektronisch skalierbarer umkonfigurierbarer Wicklung Electric drive with an electronically reconfigurable scalable winding
12/06/2012DE102011076722A1 Verfahren zur Stromermittlung in einer mehrphasigen Maschine Method for current detection in a multi-phase machine
12/06/2012DE102011050719A1 Emergency operative driving circuit for three-phase motor in pitch drives for e.g. wind power plant, has inverter unit supplied by intermediate circuit and another inverter unit supplied by storage device, so that motor is energized
12/05/2012EP2530830A1 Motor drive system, motor drive system control method and travelling device
12/05/2012EP2529480A2 Method for improving efficiency in a multiphase motor, and motor for implementing such a method
12/05/2012CN202586867U Brushless double-fed motor control device
12/05/2012CN202586866U Frequency conversion device and solar sun tracking system provided with same
12/05/2012CN202586865U Synchronous speed regulating motor and control device thereof
12/05/2012CN202586864U Motor controller PWM signal isolation circuit
12/05/2012CN202586863U Frequency conversion control system of circular saw cutting machine
12/05/2012CN202586862U Alternating current motor drive device with charging function
12/05/2012CN202576634U Electric-off production line control system for tinned sheets
12/05/2012CN102812632A Power-conserving drive device and method for device having uniform load pattern
12/05/2012CN102811021A Safety control system for vehicular electric driving system in failure mode and safety controller
12/05/2012CN102811020A Controller and method for controlling motor used for compressor
12/05/2012CN102811019A Motor driving device comprising maximum output calculation unit of direct current conversion unit
12/05/2012CN102810976A Comprehensive power saver
12/05/2012CN102810532A Semiconductor device and driving apparatus including semiconductor device
12/05/2012CN101686035B Multiphase motor driving device
12/05/2012CN101682278B Motor drive
12/05/2012CN101657962B Controller for motor
12/05/2012CN101357593B Charging energy sources with a rectifier using double-ended inverter system
12/05/2012CN101149197B Frequency changing refrigeration system energy regeneration control device
12/05/2012CA2754290A1 Advanced frequency variable pump speed controller and method of operating
12/04/2012US8322475 Electric motor drive apparatus and vehicle including the same
11/2012
11/29/2012WO2012161547A2 Apparatus for controlling rotor current in a wound-rotor type induction motor
11/29/2012WO2012160694A1 Motor control device
11/28/2012EP2528227A1 Control device for AC/DC power converter and method for implementing same
11/28/2012EP2528226A1 Rescue operation device of elevator
11/28/2012EP2528225A1 Control of a rotating electric machine
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