FIELD: electricity.
SUBSTANCE: invention relates to electrical engineering and can be used in electric drives with asynchronous hysteresis motors The device for powering of a synchronous hysteresis motor contains an inverter, a current sensor and a driving generator, a unit of separation of low-frequency component of instant rpm of the synchronous hysteresis motor rotor the input of which is connected to the current sensor output, and its output - with the driving generator frequency control input The current sensor is connected to the output current circuit of the inverter.
EFFECT: decrease of power losses and electromagnetic noises.
2 dwg.
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