Starting control system for synchronous motors

Electricity: motive power systems – With flywheel or massive rotary member

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Details

318192, 318193, 310184, H02P 146

Patent

active

039597024

ABSTRACT:
A starting control system for synchronous motors is provided in which the usual separately mounted discharge resistor is eliminated. A relatively high resistance coil of small size is wound on each field pole, in addition to the normal field winding, and these coils are connected together and utilized as a discharge resistor during starting of the motor.

REFERENCES:
patent: 3405338 (1968-10-01), Frola
patent: 3488569 (1970-01-01), Allendorph, et al.
patent: 3633057 (1972-01-01), Smith et al.
patent: 3654503 (1972-04-01), Whitney
patent: 3774062 (1973-11-01), Johnson

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