| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
|---|
| 10/23/2013 | CN101634472B Variable frequency air conditioner and frequency control method thereof |
| 10/22/2013 | US8564240 Mitigation of harmonic currents and conservation of power in non-linear load systems |
| 10/22/2013 | CA2754665C Induction motor torque control in a pumping system |
| 10/22/2013 | CA2697610C Controller of rotary electric machine |
| 10/18/2013 | CA2832888A1 Electrical apparatus and control system |
| 10/17/2013 | WO2013007512A3 Method for actuating a multi-phase machine |
| 10/17/2013 | WO2012131073A3 Method for producing an output voltage on a modular multilevel converter and assembly for performing the method |
| 10/17/2013 | US20130271056 Pitch motor drive circuit which can operate in emergency mode |
| 10/17/2013 | US20130271051 Hybrid Electric Vehicle System and Method of Controlling The Same |
| 10/16/2013 | EP2651029A2 Paralleling of load commutated inverters |
| 10/16/2013 | EP2651027A1 Inductance measurement device and measurement method for synchronous electric motor |
| 10/16/2013 | CN203243277U Three-phase 220V alternating current motor drive device using 110V alternating current |
| 10/16/2013 | CN203243276U Intelligent variable-frequency control cabinet |
| 10/16/2013 | CN203237963U Electric hoist adopting frequency conversion technology and capable of being used in single-phase power source |
| 10/16/2013 | CN102255603B Comprehensive control system and method based on high voltage motor control and reactive power compensation |
| 10/15/2013 | US8558501 Aircraft motor drive control apparatus and aircraft motor drive control system |
| 10/15/2013 | US8558499 Controller apparatus for electric vehicle |
| 10/15/2013 | US8558494 Driving device of brushless DC motor for fan |
| 10/15/2013 | US8558493 Blower motor for HVAC systems |
| 10/10/2013 | WO2013150948A1 Motor control device and electric power steering device equipped with same |
| 10/10/2013 | WO2013007623A3 Method for actuating a multi-phase machine |
| 10/10/2013 | US20130264985 Fail-Safe Interface |
| 10/10/2013 | US20130264984 Power Converting Apparatus |
| 10/10/2013 | US20130264981 Control device for rotating electrical machine |
| 10/10/2013 | US20130264980 Three-phase inverter for driving an electric motor |
| 10/10/2013 | US20130264977 Control electronics for brushless motors |
| 10/10/2013 | US20130264975 Electrically powered vehicle and method for controlling the same |
| 10/10/2013 | US20130264974 Controller for multi-phase rotary device |
| 10/10/2013 | US20130264872 Power conversion apparatus including a plurality of power conversion circuits and filter circuit shared thereby |
| 10/10/2013 | DE112011104702T5 Motoransteuersystemsteuervorrichtung Motoransteuersystemsteuervorrichtung |
| 10/09/2013 | EP2647112A2 Variable speed drive provided with a common-mode filtering device |
| 10/09/2013 | CN203233360U Novel cold-hot blend mixer |
| 10/09/2013 | CN203233359U Pumping unit special for frequency conversion cabinet |
| 10/09/2013 | CN203233358U Low voltage frequency converter capable of multistage speed operation |
| 10/09/2013 | CN203233357U Low-voltage frequency converter with braking function |
| 10/09/2013 | CN203233355U High precision self-protection gyroscope motor power source circuit |
| 10/09/2013 | CN203233351U Underground belt conveyer drive device |
| 10/09/2013 | CN103348586A Inverter apparatus and inverter control method |
| 10/03/2013 | WO2013144071A1 Drive system, wind or water power plant with a pitch system, and method for operating a drive system |
| 10/03/2013 | US20130257334 Ground fault detection methods on variable frequency drive systems |
| 10/03/2013 | US20130257329 Junction temperature measurement of a power mosfet |
| 10/03/2013 | US20130257319 Output control apparatus for electric motor and method for controlling output of electric motor |
| 10/02/2013 | EP2645563A1 Drive system, wind or water power assembly with a pitch system and method for operating a drive system |
| 10/02/2013 | EP2645562A2 Control method for induction motor |
| 10/02/2013 | DE112011103676T5 Stromumformervorrichtung Stromumformervorrichtung |
| 10/02/2013 | DE102013202221A1 Elektromotorantriebsvorrichtung mit Ausfalldetektionsschaltung und Ausfalldetektionsverfahren für Elektromotorantriebsvorrichtung mit Ausfalldetektionsschaltung Electric motor driving device failure detection circuit and failure detection method for electric motor drive device with failure detection circuit |
| 10/02/2013 | DE102013005355A1 Method for controlling or regulating of rotation speed of multi-phase brushless motor in vehicle drive, involves varying pulse width modulating frequency between lower and upper cut-off frequencies that are arranged around central frequency |
| 10/02/2013 | DE102012102827A1 Leistungssteuerungsvorrichtung und Verfahren zur Leistungssteuerung A power control device and method for power control |
| 10/02/2013 | CN203225700U Mining explosion-proof and intrinsically-safety frequency conversion center |
| 10/02/2013 | CN203225699U Mining general locomotive frequency conversion speed regulating device |
| 10/02/2013 | CN203225698U High-voltage motor speed regulation controlling means for internal mixer use |
| 10/02/2013 | CN203225697U 电子开关 Electronic switch |
| 10/02/2013 | CN103339835A Stator teeth, stator, rotating armature, and method for controlling rotating armature |
| 10/02/2013 | CN103339004A 控制装置 Control device |
| 10/02/2013 | CN103338000A NPC (neutral point clamped) three-level inverter vector control system based on novel flux observer |
| 10/02/2013 | CN103337999A Direct torque control system and method for dual-redundancy permanent-magnet fault-tolerant motors |
| 10/02/2013 | CN103337997A Vector control system and method for permanent magnet synchronous motor of electric automobile |
| 10/02/2013 | CN102006006B System and method for non-sinusoidal current waveform excitation of electrical machines |
| 10/01/2013 | US8547051 Controller and method for transitioning between control angles |
| 09/26/2013 | WO2013141125A1 Motor driving circuit, motor device, and electric vehicle |
| 09/26/2013 | WO2013141059A1 Control device for three-phase ac induction motor and control method for three-phase ac induction motor |
| 09/26/2013 | WO2013140876A1 Power conversion device |
| 09/26/2013 | WO2013017390A3 Method and apparatus for compensating voltage errors in pulse inverters, which are due to alternating off-times |
| 09/26/2013 | DE112012000320T5 Steuerungsvorrichtung Control device |
| 09/26/2013 | DE112010005981T5 Verfahren zum Steuern des Stroms eines Motors und Steuergerät eines Motors A method for controlling the current of a motor and a motor control unit |
| 09/26/2013 | DE102013203505A1 Verfahren, Systeme und eine Vorrichtung zur Erzeugung von Spannungsbefehlsignalen zur Steuerung eines Betriebes einer elektrischen Maschine Methods, systems, and apparatus for generating voltage command signals for controlling an operation of an electrical machine |
| 09/26/2013 | DE102012204785A1 Method for driving fuel pump of electric motor in motor car, involves controlling rotational speed of electric motor, monitoring duty cycle of voltage signal, and generating warning signal when threshold value of duty cycle is reached |
| 09/25/2013 | EP2642658A2 Controller for electric motor |
| 09/25/2013 | EP2642655A1 Power conversion apparatus |
| 09/25/2013 | EP2641323A1 Variable-speed drive provided with a supercapacitor module |
| 09/25/2013 | CN203219243U Novel intelligent vehicle ventilation system frequency conversion controller |
| 09/25/2013 | CN203219238U Intelligent load tracking motor power saving system |
| 09/25/2013 | CN103329427A 电动机控制装置 A motor control unit |
| 09/25/2013 | CN103329425A Control apparatus for electric-powered power steering apparatus |
| 09/25/2013 | CN103326664A Motor control device, motor drive device using the same, compressor, refrigeration device, air conditioner, and motor control method |
| 09/25/2013 | CN103326663A Control circuit of motor for cold storage and control method of motor |
| 09/25/2013 | CN103326588A High-voltage frequency converter and cabinet top fan control device |
| 09/25/2013 | CN102282758B Control apparatus for AC motor and electric vehicle |
| 09/25/2013 | CN102255601B Multifunctional energy-saving on-line monitoring device and method for frequency converter |
| 09/25/2013 | CN102197581B Control device and control method for alternating current electric motor |
| 09/25/2013 | CN102187569B Motor control device |
| 09/25/2013 | CN102158172B Motor drive system |
| 09/24/2013 | US8541966 PWM control circuit and PWM control method |
| 09/24/2013 | US8541962 Motor driving apparatus |
| 09/19/2013 | WO2013137146A1 Device for controlling electric motor and method for controlling electric motor |
| 09/19/2013 | WO2013137129A1 Device for controlling electric motor and method for controlling electric motor |
| 09/19/2013 | US20130241463 Doubly-Fed Generator and Doubly-Fed Electric Machine |
| 09/19/2013 | US20130241451 Apparatus and method for energy efficient motor drive standby operation |
| 09/19/2013 | DE102012203415A1 Electrical propulsion system used in e.g. hybrid car, has two change-over contact portions which are coupled between direct voltage intermediate circuits, and energy store cell, and two bridge leg portions of one inverter respectively |
| 09/18/2013 | EP2639958A2 Apparatus and method for energy efficient motor drive standby operation |
| 09/18/2013 | EP2638621A1 A rotating electrical machine and corresponding method |
| 09/18/2013 | CN203206177U Novel compressor motor control circuit |
| 09/18/2013 | CN203206176U Electricity saving device for motor |
| 09/18/2013 | CN203206171U Vector frequency converter |
| 09/18/2013 | CN103312301A Pwm duty cycle converter |
| 09/18/2013 | CN103312263A Optimized selection method of voltage vectors for direct torque control of asynchronous motor |
| 09/18/2013 | CN103312262A Motor drive device, fluid compression system and air conditioner |
| 09/18/2013 | CN103312261A Motor driving device and vehicle |
| 09/18/2013 | CN103312260A Motor drive device with minimum rotation speed setting and maximum rotation speed setting |
| 09/18/2013 | CN103312255A Method and device for controlling speed of permanent-magnet synchronous motor |