H
ELECTRICITY
H
ELECTRICITY
H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
27/00
Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
27/00
Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
H02P27/04
using variable-frequency supply voltage, e.g. inverter or converter supply voltage
H02P27/04
using variable-frequency supply voltage, e.g. inverter or converter supply voltage
H02P27/06
using DC to AC converters or inverters
H02P27/06
using DC to AC converters or inverters