CONTROL DEVICE OF TWO-PHASE ASYNCHRONOUS MOTOR IN OSCILLATING FLOW MODE Russian patent published in 2017 - IPC H02K33/04 H02P25/02 H02P27/06 

FIELD: electricity.

SUBSTANCE: device contains a two-phase asynchronous motor, a master oscillator, an inverting amplifier, a rectifier and two voltage inverters. The output of the first voltage inverter is connected to the control winding of a two-phase asynchronous motor. The inverting amplifier, rectifier and the first voltage inverter are connected in series. The input of the inverting amplifier is connected to the output of the master oscillator. The output of the second voltage inverter is connected to the excitation winding of a two-phase asynchronous motor. The second rectifier is connected by its input to the output of the master oscillator, and the output to the input of the second voltage inverter.

EFFECT: expanding the functionality of the electric drive of the oscillatory motion by improving the shape of the formed rectangular pulsations and increasing its energy parameters.

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