DEVICE TO CONTROL START AND STOP OF INDUCTION MOTOR Russian patent published in 2014 - IPC H02P1/26 H02P1/28 H02P3/24 H02P27/04 

FIELD: electricity.

SUBSTANCE: device comprises a setter of parameters, two pulse generators, an AC voltage rectifier, a voltage comparator, a voltage integrator, a width-pulse modulator and serially connected binary pulse counters, a register, a permanent memory device, a pulse shaper, a voltage switch, designed for connection into the circuit of operating voltage of the electric motor.

EFFECT: expansion of functional capabilities of a device, providing for rotation of an anchor of an induction motor in forward and reverse directions, smoothly gaining the specified speed of rotation of the induction motor within the specified time during speed-up and smoothly reducing it at the specified time while braking down.

1 dwg