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IPC Main Group
H02P 6/00

Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor

Introduced: January 1980

Last revised: January 2016

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS

Additional Content

Vector control

13 direct subcodes

Child Classifications

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  • H02P 6/04 Arrangements for controlling or regulating the speed or torque of more than one motor
  • H02P 6/06 Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
  • H02P 6/08 Arrangements for controlling the speed or torque of a single motor
  • H02P 6/1 Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
  • H02P 6/12 Monitoring commutation; Providing indication of commutation failure
  • H02P 6/24 Arrangements for stopping
  • H02P 6/26 Arrangements for controlling single phase motors
  • H02P 6/28 Arrangements for controlling current
  • H02P 6/3 Arrangements for controlling the direction of rotation
  • H02P 6/32 Arrangements for controlling wound field motors, e.g. motors with exciter coils
  • H02P 6/34 Modelling or simulation for control purposes

Top Applicants

Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094