Speed trimming integrated drive generator

Details Speed trimming integrated drive generator Speed trimming integrated drive generator

1988-08-24

1989-12-19

Shoop, Jr., William M.

Prime-mover dynamo plants

Plural prime mover

Plural prime movers with fluid interconnection

290 4R, 322 40, H02P 942

Patent

active

048884936

ABSTRACT:
A speed trimming integrated drive generator 18 includes a differential 24 having inputs coupled to a prime mover 20 and to a wild frequency generator 48, the output thereof being coupled to a main generator 14. In order to control main generator speed, and thus the frequency of the power generated by the main generator 14, resistive load management for the wild frequency generator 48 is utilized. Particularly, a generator control unit 58, responsive to the main generator frequency, selectively couples resistive loads 56 to an output 52 of the wild frequency generator 48 to provide trimming power. Fine tuning of the trimming power is provided by controlling the output voltage from the wild frequency generator 48 responsive to sensed frequency.

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patent: 4636707 (1987-01-01), Law
patent: 4661762 (1987-04-01), Baker
patent: 4694187 (1987-09-01), Baker

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