SYSTEM FOR FUELING ELECTRIC POWERED HYDRAULIC FRACTURING EQUIPMENT WITH MULTIPLE FUEL SOURCES

Rotor position-based ramp rate to reduce vehicle harshness during active discharge

Adaptive control for synchronous downhole motors

System for controlling motor of vehicle

Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system

Method and system for contactor actuation in a traction system

Fast active power output reduction system of doubly-fed induction generator and method thereof

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

Method and apparatus for the safe limitation of motor torque in a three-phase drive

Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system

Apparatus and method for detecting offset of motor position sensor

Method for determining rotor position of electric motor, elevator and electrical converter unit

Vector drive for vapor compression systems

Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system

Adaptive control system

System for applying maximum driving efficiency point of load

Inverter control device and motor drive system

Motor control device, and method for correcting torque constant in such motor control device

Resolver offset correction device and method of eco-friendly vehicle

Motor control device

Motor vector control method and device, and aircraft

Motor control device

Motor control unit

Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system

Method of controlling constant current of brushless DC motor and controller of brushless DC motor using the same

Motor with separated permanent magnet torque and reluctance torque and its optimal efficiency control

Drive system, automobile, and method of controlling drive system

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

Synchronous machine control device and permanent magnet temperature estimation method for synchronous machine

Method of realizing single direction chaotic rotation speed of permanent magnet synchronous motor

Synchronous motor control device and method of controlling synchronous motor

Inverter and motor drive device, freezing device

Motor control system and method and device for controlling power factor on motor side

Wind power generator vibration inhibition method and device

Systems and methods for reducing DC link voltage dynamics with limited energy storage element

Domestic refrigeration device with a coolant circuit, and method for operating a domestic refrigeration device with a coolant circuit

Drive and control for six-phase electrical machines with negligible common-mode voltage

Vector drive for vapor compression systems

Motor control device and method

Methods and systems for control of parallel connected motor drives

Electric driving apparatus and electric power steering apparatus

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

Motor control device, and method for correcting torque constant in such motor control device

Method and device for adjusting an actuator member of a positioning system with an electronically commutated actuator drive

Systems and methods for detecting pump-off conditions and controlling a motor to prevent fluid pound

Electric submersible pumping system with permanent magnet motor

Driving apparatus for electric motor

Motor control apparatus with magnetic flux controller and machine learning apparatus and method therefor

Controller for electric motor

Motor controller, flux command generator, and method for generating flux command

System of controlling induction electric motor

Synchronous reluctance motor having radial-direction widths slit configuration on a q-axis for improved power factor

Drive and method for operating a drive

Outdoor fan motor driving device and air conditioner including an outdoor fan motor driving device

Digital motor control unit

Method for starting a variable-speed electric motor

Control of electric motors

Brushless motor control method and brushless motor control device and electric power steering device

Motor control device and electric power steering device

Inverter control device and inverter control method

D-Q control system and method for controlling a switched reluctance motor

Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system

PWM output voltage measurement apparatus and method

Method and apparatus for stability control of open loop motor drive operation

Method of current reference generation for a motor

Vector control device for an electric motor that controls an electric power converter that converts DC power to AC power, electric motor, vehicle drive system, and vector control method for electric motor

Continuous-power electrical system stabilized by integrated active filters

Power electronics apparatus and control method for an electric machine and for electrical energy stores

Control systems and methods for angle estimation of permanent magnet motors

Motor control apparatus and electric power steering apparatus using the same

Motor controller with integrated safety function to eliminate requirement for external contactor

Methods, systems and apparatus for generating current commands used to control operation of an electric machine

Apparatus for controlling interior permanent magnet synchronous motor

Current sensor error compensation

Sensorless control apparatus for synchronous motor and inverter apparatus

Permanent magnet machine control system

Reduction of noise and vibrations of an electromechanical transducer by using a modified stator coil drive signal comprising harmonic components

REDUCTION OF NOISE AND VIBRATIONS OF AN ELECTROMECHANICAL TRANSDUCER BY USING A MODIFIED STATOR COIL DRIVE SIGNAL COMPRISING HARMONIC COMPONENTS

Inverter device and control method thereof

Brushless Motor and Control Method Therefor

Control system for wind farms with aerogenerations provided with modular converters

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

Method for Operating an Internal Combustion Engine

Control of a permanent magnet synchronous generator wind turbine

Polyphase AC motor, driving device and driving method therefor

Controllable rectification device and electric motor comprising the same

Electric power conversion apparatus

Current source converter-based wind energy system

Motor drive apparatus and electric power steering system using the same

Direct power control with component separation

Control device and control method for alternating-current motor

MOTOR CONTROL SYSTEM AND METHOD

Method and apparatus for control of electrical machines

Operating a synchronous motor having a permanent magnet rotor

Method of and apparatus for compensation of oscillation effects in the event of mains asymmetry in a double-fed asynchronous machine

Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump

Control apparatus for multi-phase rotary machine and electric power steering system

Power assist device

Active rectification for a variable-frequency synchronous generator

Method and control system for controlling a brushless electric motor

Electric motor

Permanent-magnet-type rotating electrical machine and permanent magnet motor drive system

Method and apparatus for increased current stability in a PWM drive

Apparatus and method for controlling the reactive power from a cluster of wind turbines connected to a utility grid

Torque production in an electric motor in response to current sensor error

Methods and systems for detecting current sensor error

Permanent magnet synchronization motor vector control device

Double-fed asynchronous generator and method for its operation

Brushless motor

Operation control method and operation control apparatus for variable speed generator-motor

Vector control for an axial gap motor

Current source converter-based wind energy system

Apparatus for carrying out improved control of rotary machine

Integrated circuit for controlling an electric motor

Motor drive system

Control system for multiphase rotary machines

METHOD FOR DETECTING THE POSITION OF A ROTOR

Phase current sampling and regulating apparatus and methods, and electric motor drive systems

Method for operating an internal combustion engine

Electric motor control device, electric vehicle, and hybrid electric vehicle

Control device and control method of boost converter

Semiconductor power converter

Electric power steering system

Motor control device and compressor

Electromagnetic Suspension Device

Electric motor control apparatus

Electric-motor-equipped vehicle

Method for operation of a three-phase rotating electrical machine, and an apparatus for carrying out the method

Method for detecting the loss of one or more phases in a permanent-magnet synchronous electric motor

Method of starting a synchronous motor with a brushless DC exciter

Control apparatus for electric vehicles

Motor control device

Secondary battery control apparatus and secondary battery control method

PWM pattern sequence to reduce losses in voltage source inverters

Method and apparatus for safe torque limiting

Control system for hybrid vehicle

MOTOR AND DRIVE CONTROL DEVICE THEREFOR

Motor and drive control device therefor

Device and method for controlling power converting device

Control system for multiphase rotary electric machine

Control apparatus for electric vehicles

Electric drive vehicle

Electric power converter

Stepping motor controlling device

Power converter for doubly-fed power generator system

Electric power converter and motor driving system

Electric power converter, electric power converter controlling method and electric power converting system

HEAT PUMP APPARATUS USING EXPANDER

Audible noise reduction for single current shunt platform

Speed measurement system for speed control of high-speed motors

Power factor control for floating frame controller for sensorless control of synchronous machines

Device for estimating pole position of synchronous motor

Advanced current control method and apparatus for a motor drive system

Motor and drive control device therefor

Power-converter control apparatus employing pulse width modulation and adjusting duration of a zero-voltage vector

Origin offset calculation method of rotational position detecting device of electric motor and motor control device using the calculation method

Method for determining rotor flux vector of AC electrical machine

Control apparatus for rotating machine

Vector control device of winding field type synchronous machine

Inverter for washer and inverter for washer-drier

Device and method for monitoring the connection of an electrical supply unit

Control unit for controlling a synchronous motor

Electric drive control apparatus, method and program therefor

Magnetic noise reduction method for AC rotary electric machine, and motor control apparatus and AC rotary electric machine apparatus using the same

Cooling and handling of reaction torque for an axial flux motor