| 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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| 02/12/2014 | CN103580586A Semiconductor device, driving mechanism and motor driving control method |
| 02/12/2014 | CN103580585A Motor driving device |
| 02/12/2014 | CN103580584A Redundancy medium voltage alternating current-direct current-alternating current frequency conversion device of duplex winding synchronous motor of mine hoist |
| 02/12/2014 | CN103580583A Rotary electric machine control apparatus and electric power steering apparatus using the same |
| 02/12/2014 | CN103580582A Control unit for an electric machine |
| 02/12/2014 | CN103580575A Dynamic PWM algorithm SDPWM based on speed |
| 02/12/2014 | CN103580572A Constant power control method and device, and constant power traction drive system |
| 02/12/2014 | CN103580518A Drive device control method, equipment, drive device and computer-readable medium |
| 02/12/2014 | CN103580499A Single-damper single-resistor star-connection non-vibration brake frequency conversion device |
| 02/12/2014 | CN103580453A Frequency converter with rotating speed tracking function and rotating speed tracking method with the frequency converter |
| 02/12/2014 | CN103573219A Automatic frequency conversion device and method for pumping units |
| 02/12/2014 | CN102215020B Electric motor driving device and vehicle equipped with same |
| 02/12/2014 | CN102165684B Vehicle power-supply unit |
| 02/11/2014 | US8648562 Single power supply dual converter open-winding machine drive |
| 02/06/2014 | US20140035498 Motor for a synchronous electric machine and method for routing power |
| 02/06/2014 | US20140035495 Methods and apparatuses for obtaining maximum magnetic flux of permanent magnet synchronous motors |
| 02/06/2014 | DE102013108273A1 Steuervorrichtung für eine drehende Vorrichtung A control apparatus for a rotating device |
| 02/06/2014 | DE102012213908A1 Steuereinheit für eine elektrische Maschine Control unit for an electrical machine |
| 02/06/2014 | DE102012015306A1 Verfahren zum Steuern des Drehwerks eines Drehkrans A method of controlling the slewing gear of a crane |
| 02/05/2014 | EP2693626A1 Inverter for driving motor |
| 02/05/2014 | EP2692045A2 Rate limited common mode control for pulse-width modulation drives |
| 02/05/2014 | DE202012012835U1 Antriebssystem Drive system |
| 02/05/2014 | CN203423643U Sensor-less permanent-magnet synchronous motor direct drive device |
| 02/05/2014 | CN103563243A 逆变器控制装置 Inverter control means |
| 02/05/2014 | CN103563235A Common mode hysteresis for pulse-width modulation drives |
| 02/05/2014 | CN103560746A Multi-parallel inverter motor speed regulating system and control method thereof |
| 02/05/2014 | CN103560745A 电动机控制装置和冰箱 Motor control device and refrigerator |
| 02/05/2014 | CN103560744A Variable speed dragging curve optimization control method based on power prediction |
| 02/05/2014 | CN103560743A Method and device for detecting rotating speed of motor |
| 02/05/2014 | CN103560742A Carton sealing machine of production line |
| 02/05/2014 | CN103560736A Static off-line parameter identification method of permanent magnet synchronous motor |
| 02/05/2014 | CN103560688A Power conversion device |
| 02/05/2014 | CN103560681A Four-quadrant frequency converter control device for AC drive system |
| 02/05/2014 | CN103559988A Multi-branching dry-type transformer for frequency conversion and speed control of ocean platform |
| 02/05/2014 | CN101902199B Electrical system using phase-shifted carrier signals and related operating methods |
| 01/30/2014 | US20140028239 Control System And Method |
| 01/30/2014 | US20140028238 Inverter Device |
| 01/30/2014 | US20140028237 Inverter control apparatus and control method thereof |
| 01/30/2014 | US20140028223 Power Tool Having Display That Displays Residual Capacity Of Battery |
| 01/30/2014 | DE112012002010T5 Steuerungsvorrichtung Control device |
| 01/29/2014 | EP2690778A1 Inverter device |
| 01/29/2014 | EP2689530A2 Drive system and method for operating a drive system |
| 01/29/2014 | CN203416216U Grid-connected and off-grid photoelectric common-direct-current-bus variable-frequency power-generating device |
| 01/29/2014 | CN203416214U Rolling mill with frequency conversion function |
| 01/29/2014 | CN203416213U Straight twisting machine electric spindle motor control mechanism |
| 01/29/2014 | CN203415985U Intelligent energy-saving control device system |
| 01/29/2014 | CN203408731U Dual-variable-frequency-motor driving device of plastic-roller hulling machine |
| 01/29/2014 | CN103548254A Method and device for operating a brushless motor |
| 01/29/2014 | CN103548251A Drive unit for an electric motor |
| 01/29/2014 | CN103546089A Electrical storage system and processing method |
| 01/29/2014 | CN103546088A Motor rotation speed control device and method |
| 01/29/2014 | CN103546082A Reversible dual power space vector inverter circuit and control method for single-phase asynchronous motor |
| 01/29/2014 | CN103546071A Method for controlling overcurrent jump stop of high-temperature fan in cement rotary kiln production line pipeline |
| 01/29/2014 | CN103545090A Direct current reactor for large-scale frequency conversion controller |
| 01/23/2014 | WO2014013666A1 Electric compressor |
| 01/23/2014 | WO2014013614A1 Control device |
| 01/23/2014 | US20140021898 Derating Vehicle Electric Drive Motor and Generator Components |
| 01/23/2014 | US20140021888 Motor driving device including electric storage device |
| 01/23/2014 | DE102013106071A1 Steuervorrichtung einer drehenden elektrischen Maschine und dieselbe verwendende elektrische Servolenkvorrichtung Control device of a rotating electrical machine and the same electric power steering apparatus used |
| 01/23/2014 | DE102013011483A1 Antriebseinrichtung für einen Motor mit einer Speichereinheit für elektrische Energie Drive device for an engine having a storage unit for electric energy |
| 01/23/2014 | CA2877002A1 System and method of dynamic regulation of real power to a load |
| 01/22/2014 | EP2686949A2 Device and method for generating an initial controller lookup table for an ipm machine |
| 01/22/2014 | CN203406826U An air conditioner compressor control circuit and a variable frequency air conditioner |
| 01/22/2014 | CN203406825U Motor oriented running control cabinet controlled by frequency converter |
| 01/22/2014 | CN203406824U Medium-voltage frequency conversion and power frequency automatic conversion cabinet |
| 01/22/2014 | CN103534931A 逆变器装置 The inverter device |
| 01/22/2014 | CN103534930A 控制单元 The control unit |
| 01/22/2014 | CN103534929A Drive system for synchronous motor |
| 01/22/2014 | CN103534922A Inverter for driving motor |
| 01/22/2014 | CN103532479A Motor speed controller |
| 01/22/2014 | CN103532478A System for realizing energy-conservation control of electric motor under condition that speed is not reduced |
| 01/22/2014 | CN103532477A Multiple stator winding port motor system sharing LC grid-connected filter |
| 01/22/2014 | CN103532476A Controller for multiple-phase rotating machine |
| 01/22/2014 | CN103532475A Rotary electric machine control apparatus and electric power steering system using the same |
| 01/22/2014 | CN103532474A MOS (metal oxide semiconductor) tube driving circuit of motor controller |
| 01/22/2014 | CN103532473A Device and method for inhibiting on-line switching passage operation current mutation of multi-phase asynchronous motor |
| 01/22/2014 | CN103532472A Power frequency and frequency conversion mixed control method |
| 01/22/2014 | CN103532469A Automatic quasi-synchronization grid-connected control method for automatic-control frequency conversion soft start of medium-high pressure synchronous motors |
| 01/22/2014 | CN103532465A Permanent magnet synchronous motor inductance identification algorithm based on incremental model reference adaptive system |
| 01/22/2014 | CN103532448A Control method of electric vehicle driving system |
| 01/22/2014 | CN103532416A Vehicle control system based on space vector pulse width modulation (SVPWM) algorithm |
| 01/22/2014 | CN102158173B Regenerative charging controlling means for electric vehicle |
| 01/16/2014 | WO2014010218A1 Inverter and method for operating inverter |
| 01/16/2014 | WO2014009375A2 Method for controlling a vacuum pump |
| 01/16/2014 | US20140015464 Assymetrical power inverter |
| 01/16/2014 | DE102012212318A1 Verfahren zum Steuern einer Vakuumpumpe A method for controlling a vacuum pump |
| 01/16/2014 | DE10148517B4 Geschwindigkeitsregelungsvorrichtung eines synchronen Reluktanzmotors und Verfahren dazu Speed control apparatus of a synchronous reluctance motor and method therefor |
| 01/15/2014 | EP2684731A1 Diagnostic method for motor |
| 01/15/2014 | CN203399047U Tension force control unreeling frequency converter apparatus |
| 01/15/2014 | CN203399046U Control circuit for frequency-conversion speed-regulation blender |
| 01/15/2014 | CN203399045U Chopper-control speed regulation and energy conservation device for asynchronous motor |
| 01/15/2014 | CN203399042U Comb motor control system of flat knitting machine |
| 01/15/2014 | CN203399041U Frequency conversion speed regulating device of high-power alternating-current winding motor |
| 01/15/2014 | CN103516294A Driver dead time detecting system and method |
| 01/15/2014 | CN103516293A Motor control device that decreases power consumed when power fails |
| 01/15/2014 | CN103516292A Control apparatus in motor drive system |
| 01/15/2014 | CN103516291A Motor power frequency/frequency conversion automatic switching device |
| 01/15/2014 | CN103516290A Rolling mill with frequency conversion function |
| 01/15/2014 | CN103516289A Motor control device that decreases power consumed by control power source when power fails |
| 01/15/2014 | CN103516280A Method for improving electric current loop regulators of permanent magnet synchronous motor |