Motor having electronically switched stator field current and in

Details Motor having electronically switched stator field current and in Motor having electronically switched stator field current and in

1978-05-18

1981-10-20

Truhe, J. V.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

318254, 318439, H02P 602

Patent

active

042963621

ABSTRACT:
An electric motor having a construction to insure full utilization of driving currents containing significant harmonic energy. The stator field current may be provided from a multi-phase source or switched electronically through optical sensing of rotor position to eliminate mechanical commutation. Motor torque is made variable by controlling the duration of field current pulses supplied to the stator winding, which also permits variable regenerative dynamic braking of the motor.

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