Electricity: single generator systems – Automatic control of generator or driving means – Speed or frequency of generator
Patent
1984-04-27
1985-11-19
Hickey, R. J.
Electricity: single generator systems
Automatic control of generator or driving means
Speed or frequency of generator
307 16, 322 90, H02P 942, H02P 948
Patent
active
045545014
ABSTRACT:
A DC-link, variable speed constant frequency power system is provided with an auxiliary DC output. The system includes a variable speed generator for producing a DC voltage on a pair of DC-link conductors. When the generator is operated in its normal speed range, an inverter converts the DC voltage to a constant frequency AC voltage. When the generator is operated at a speed which is below its normal speed range or when an external auxiliary output command signal is received, the DC-link conductors are switched to an auxiliary output line and the DC-link voltage is regulated to maintain the desired auxiliary output voltage level.
REFERENCES:
patent: 2579579 (1951-12-01), Hoover
patent: 3710228 (1973-01-01), Higashino
patent: 4207512 (1980-01-01), Taylor
patent: 4380725 (1983-04-01), Sherman
patent: 4489323 (1984-12-01), Glennon et al.
Rosswurm, M. A., "Design Considerations of DC-Link Aircraft Generation Systems," SAE Paper 811081, Oct. 1981.
Hickey R. J.
Lenart R. P.
Westinghouse Electric Corp.
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