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)
03/2014
03/12/2014EP2705598A2 Drive unit for an electric motor
03/12/2014CN203482141U Inverting control device special for centralized control of oil pumping unit well
03/12/2014CN203482140U Mining machine and system producing variable frequency voltage for AC motor
03/12/2014CN203482139U Automatic motor power frequency/variable frequency switching device
03/12/2014CN203482138U Traction machine control system
03/12/2014CN203482137U Frequency conversion control circuit of pellet pan-manufacturing machine
03/12/2014CN203482134U Frequency conversion control system for glove knitting machine
03/12/2014CN203482133U IGBT type cascade speed regulation system
03/12/2014CN103636117A Inverter control device and inverter control method
03/12/2014CN103636111A Variable frequency drive voltage boost to improve utilization
03/12/2014CN103633919A Motor control device
03/12/2014CN103633918A Oil well integrated control device
03/12/2014CN103633911A Construction method for differential geometry decoupling controller of bearing-free synchronous reluctance machine
03/12/2014CN103633910A Voltage space vector control device and control method for soft start
03/12/2014CN103633863A Integrated variable frequency motor
03/12/2014CN103628210A Variable frequency speed regulation system of high-speed electronic sectional warping machine
03/12/2014CN102386841B Electric pressure regulating system and control method thereof
03/12/2014CN102315819B Torque motor driving device for wire cut electrical discharge machines
03/12/2014CN102255435B Electric motor stator winding temperature estimation systems and methods
03/12/2014CN102136824B Control method for frequency converter
03/06/2014WO2014034333A1 Electric vehicle drive system
03/06/2014WO2014034291A1 Electric motor control device
03/06/2014WO2014033849A1 Thyristor activation device
03/06/2014WO2013102597A3 Current curve for a superconducting electrical machine
03/06/2014US20140062354 Regenerative inverter device and inverter device using power cell unit
03/06/2014DE112011105281T5 Motorsteuervorrichtung The motor control apparatus
03/05/2014CN203466768U Phase advancer capable of automatically regulating voltage
03/05/2014CN203466767U Intelligent double-speed oil well frequency conversion control cabinet
03/05/2014CN203466766U Frequency-conversion automatic control system of cold heading machine
03/05/2014CN203466765U Boiler air pre-heater frequency converter based on low-voltage ride-through device
03/05/2014CN203466746U Novel three-level inversion speed regulation control system
03/05/2014CN103620945A Control device
03/05/2014CN103620944A Motor control device and steering device for vehicle
03/05/2014CN103618494A Capacitor compensation type voltage and speed regulating device for asynchronous motor
03/05/2014CN103618491A SVPWM strategy based on power supply topology of double three-level inverters
03/05/2014CN103618490A Variable-frequency speed regulation device of six-phase alternating-current motor
03/05/2014CN103618489A Dodecagon space voltage vector control soft starter and control method thereof
03/05/2014CN103618480A Magnetic field vector control soft starter and control method thereof
03/05/2014CN103618435A Heat management circuit based on high-power converter and method thereof
03/05/2014CN102208878B DC to three-phase AC inverter system
03/05/2014CN102106070B AC-DC converter, air conditioner, and heat pump-type hot-water supply device
03/05/2014CN101956314B Dryer motor and control
03/04/2014US8664909 Inverter unit, integrated circuit chip, and vehicle drive apparatus
03/04/2014US8664904 Motor drive apparatus and electric power steering system using the same
03/04/2014US8664903 Adaptive flux control drive
02/2014
02/28/2014CA2822878A1 System, method and apparatus for computing, monitoring, measuring, optimizing and allocating power and energy for a rod pumping system
02/27/2014WO2014030459A1 Motor driving circuit, motor driving system, electric power steering system, electric brake system, and vehicle driving system
02/27/2014US20140055059 Motor driving device and electric power steering apparatus including motor driving device
02/27/2014CA2824400A1 Shielding structure for power conversion system and method thereof
02/26/2014EP2701303A1 Control apparatus for ac motor
02/26/2014EP2700156A1 Method and apparatus for measuring current
02/26/2014CN203457098U Charging circuit for high-voltage variable-frequency speed control system
02/26/2014CN203457097U Control circuit of spiral conveyer motor
02/26/2014CN203457095U Variable frequency controller used to control torque motor
02/26/2014CN203456906U Energy-saving apparatus based on storage battery charge and discharge system
02/26/2014CN103609016A Method and device for controlling a torque of an electric motor of an electro-hydraulic system
02/26/2014CN103607164A Device and method for processing peak voltage of winch frequency conversion speed adjusting device
02/26/2014CN103607163A Cooling fan
02/26/2014CN103607162A On-line switching device of frequency conversion and power frequency
02/26/2014CN103607161A IGBT cascade speed regulation system, control method and control system thereof
02/26/2014CN103607156A Method for controlling power factor of mixed excitation synchronous motor
02/26/2014CN103607155A Permanent-magnet synchronous-motor position-free-sensor control method based on rotating-current vectors
02/26/2014CN103607154A Method for controlling AC motor capable of electrical excitation
02/26/2014CN103603768A Variable-pitch control system of high-power wind turbine generating set and charge management control method thereof
02/26/2014CN102365818B Alternating-current rotary machine controller
02/26/2014CN102195550B Methods, systems and apparatus for optimization of third harmonic current injection in a multi-phase machine
02/25/2014US8659260 Motor drive apparatus and electric power steering apparatus using the same
02/25/2014US8659249 Method of controlling a motor
02/25/2014US8659248 Drive device for electric power conversion circuit
02/21/2014CA2787418A1 System and method for managing a multiphase motor in an electric automotive vehicle
02/20/2014DE10143475B4 Motorensteuerungsvorrichtung The engine control apparatus
02/19/2014CN203445830U Digitalization intelligent type frequency converter
02/19/2014CN203445829U Speed regulation plate used in vertical type tail yarn remover
02/19/2014CN103595334A Design method of middle-long line transmission filter of motor drag system
02/19/2014CN103595333A Energy-saving pitch-variable system
02/19/2014CN103595332A Rotary filter screen control method based on frequency conversion technology
02/19/2014CN103595326A Motor control apparatus and motor control method
02/19/2014CN103595325A Method for controlling vectors of nonsalient pole type hybrid excitation motor
02/19/2014CN103595324A Field weakening control method of hybrid excitation motor
02/19/2014CN103595177A Single-direction non-periodic vibration device and non-periodic vibration control method
02/19/2014CN102204082B Control device for permanent magnet synchronization electric motor
02/18/2014US8653782 Motor driving device
02/18/2014US8653781 Variable frequency drive and rotation speed searching apparatus for an induction motor
02/18/2014US8653779 Rotating electrical-machine control system and method of operating magnet temperature of rotating electrical-machine
02/13/2014WO2014026124A1 Motor drive control using pulse-width modulation pulse skipping
02/13/2014WO2014024636A1 Motor control device equipped with motor section and inverter section
02/13/2014WO2014024635A1 Electric powertrain system
02/13/2014WO2014024402A1 Pulse-width-modulated waveform generation device
02/13/2014US20140042948 Motor Drive Control Using Pulse-Width Modulation Pulse Skipping
02/13/2014DE102012214020A1 Verfahren und Vorrichtung zur dynamischen Einstellung einer Betriebsspannung für einen Elektromotor Method and apparatus for dynamically adjusting a supply voltage for an electric motor
02/12/2014EP2696498A1 Control apparatus for electric motor, electric vehicle provided with same, and method for controlling electric motor
02/12/2014EP2696497A1 Motor control device
02/12/2014CN203434919U A three-phase motor variable-frequency speed-regulating system outputting sine waves with frequency as high as 20000Hz
02/12/2014CN203434918U Motor-driving device
02/12/2014CN203434917U Motor fault tolerance driving control system capable of automatic fault repairing
02/12/2014CN203434916U Multi-parameter feedback dynamic control device for beam pumping unit
02/12/2014CN203434915U Energy-saving controller of air compressor
02/12/2014CN203434913U Step speed-regulation device of miniature motor
02/12/2014CN103582999A Apparatus for controlling rotor current in a wound-rotor type induction motor
02/12/2014CN103580587A Control apparatus of rotating device
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 133