by progressive increase of frequency of supply to motor

Industry

CPC
H02P1/52

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Parent Industries

HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS H02P1/00Arrangements for starting electric motors or dynamo-electric converters

Current Industry

H02P1/52by progressive increase of frequency of supply to motor

Industries

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by progressive increase of frequency of supply to motor

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for cooling power electronics of refrigerant comp...

Operating circuit for coupling a synchronous machine with a voltage...

Thyristor starter

Variable speed maximum power point tracking, solar electric motor c...

Connecting device for motor and supply network

Frequency converter, bypass frequency conversion control system and...

Electric machine driving method and system under non-conventional w...

Variable-speed operation control apparatus and hydroelectric power...

Control method for starting a synchronous electric motor

Motor control system and method with flux linkage estimation error...

Motor control system and method with adaptive flux linkage estimation

Motor control system and method with predictive motor current estim...

Thyristor starting device and control method therefor

Modular multiple single-pole electromagnetic switching system and m...

Apparatus for controlling inverter

Motor controller, sheet conveying device, and image forming apparatus

Cooling system with increased efficiency

Electric unit for a pumped-storage power plant having components wi...

Method for using an electric unit

Motor drive controller and control method of motor drive controller

AC motor with stator winding tap and methods for starting an AC mot...

Electrical apparatus

Systems, apparatus, and methods for soft starting large AC motors w...

Method and device for starting motors in weak grids

Motor driving control device and control method of motor driving co...

Electronic circuit and method for adjusting start-up characteristic...

Method for starting a synchronous machine

Cooling system with increased efficiency

Controller and variable-speed generator-motor starting method

Method and apparatus for control of a synchronous permanent magnet...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR COOLING POWER ELECTRONICS OF REFRIGERANT COMP...

THYRISTOR STARTER

OPERATING CIRCUIT FOR COUPLING A SYNCHRONOUS MACHINE WITH A VOLTAGE...

VARIABLE SPEED MAXIMUM POWER POINT TRACKING, SOLAR ELECTRIC MOTOR C...

MOTOR CONTROLLER, SHEET CONVEYING DEVICE, AND IMAGE FORMING APPARATUS

CONTROL METHOD FOR STARTING A SYNCHRONOUS ELECTRIC MOTOR

CONNECTING DEVICE FOR MOTOR AND SUPPLY NETWORK

MOTOR CONTROL SYSTEM AND METHOD WITH ADAPTIVE FLUX LINKAGE ESTIMATION

MODULAR MULTIPLE SINGLE-POLE ELECTROMAGNETIC SWITCHING SYSTEM AND M...

THYRISTOR STARTING DEVICE AND CONTROL METHOD THEREFOR

AC MOTOR WITH STATOR WINDING TAP AND METHODS FOR STARTING AN AC MOT...

THYRISTOR STARTER

MOTOR DRIVING CONTROL DEVICE AND CONTROL METHOD OF MOTOR DRIVING CO...

Electronic Circuit and Method for Adjusting Start-up Characteristic...

SYSTEMS, APPARATUS, AND METHODS FOR SOFT STARTING LARGE AC MOTORS W...

Method and Device for Starting Motors in Weak Grids

METHOD AND APPARATUS FOR CONTROL OF A SYNCHRONOUS PERMANENT MAGNET...

METHOD AND SYSTEM FOR CONTROLLING A PERMANENT MAGNET SYNCHRONOUS MOTOR

Motor Control Circuit And Method That Reduce Speed Jitter Of An Ele...

METHOD FOR STARTING A SYNCHRONOUS MACHINE

AUTOMATIC REVERSIBLE SYNCHRONIZING SWITCHING CIRCUIT

CONTROLLER AND VARIABLE-SPEED GENERATOR-MOTOR STARTING METHOD

SYNCHRONOUS-MACHINE STARTING DEVICE

Electric Power Generating System with Boost Converter/Synchronous A...

COOLING SYSTEM WITH INCREASED EFFICIENCY

METHOD FOR THE OPERATION OF SYNCHRONOUS MOTORS, AND ASSOCIATED DEVICE

HVAC/R SYSTEM WITH VARIABLE FREQUENCY DRIVE POWER SUPPLY FOR THREE-...

ELECTROMECHANICAL SYSTEM HAVING A VARIABLE FREQUENCY DRIVE POWER SU...

CONTROL OF SYNCHRONOUS ELECTRICAL MACHINES

APPARATUS AND METHOD FOR STARTING MOTOR