Control system for a compound DC electric motor

Details Control system for a compound DC electric motor Control system for a compound DC electric motor

1977-01-24

1978-08-15

Schaefer, Robert K.

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

318430, 318391, 318431, H02P 116

Patent

active

041075862

ABSTRACT:
A control system for a compound DC electric motor includes a shunt field winding connected in parallel with a series field winding, with both windings being connected to a power source. A time delay is positioned between the series field winding and the power source for energizing the series field winding a predetermined time period after the energization of the shunt field winding.

REFERENCES:
patent: RE19547 (1935-04-01), Wright
patent: 2149472 (1939-03-01), Sloane
patent: 3958164 (1976-05-01), Hess

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