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IPC Main Group
H02P 8/00

Arrangements for controlling dynamo-electric motors rotating step by step

Introduced: July 1974

Last revised: January 2006

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

Related Keywords

control of dynamo-electric motors rotating STEP-BY-STEP

11 direct subcodes

Child Classifications

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  • H02P 8/02 specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
  • H02P 8/12 Control or stabilisation of current
  • H02P 8/22 Control of step size; Intermediate stepping, e.g. microstepping
  • H02P 8/32 Reducing overshoot or oscillation, e.g. damping
  • H02P 8/34 Monitoring operation
  • H02P 8/4 Special adaptations for controlling two or more stepping motors
  • H02P 8/42 characterised by non-stepper motors being operated step by step