If there is no effect of the commutator, and that the motor can only be transferred within a half-circle on the card is dead, only as electric brakes.
If there is no effect of the commutator, and that the motor can only be transferred within a half-circle on the card is dead, only as electric brakes. The centrifugal force generated by rotation of the motor as the use of power, control the size of the starting resistance, to reduce motor starting current, increase the starting torque, the wound asynchronous motor brush self - controlled devices. It mainly consists of housing, starting fluid, moving plates, springs, terminals, safety valve, an exhaust valve, and the like.
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