Electricity: single generator systems – Automatic control of generator or driving means – Plural conditions
Patent
1984-09-07
1985-12-17
Hickey, R. J.
Electricity: single generator systems
Automatic control of generator or driving means
Plural conditions
322 25, 322 28, 322 73, H02P 930
Patent
active
045594872
ABSTRACT:
A voltage regulator for a generating system having a main generator and an exciter for providing field current to the main generator includes means coupled to the main generator for sensing at least two operating parameters thereof. Means are coupled to the sensing means for generating pulse width modulated (PWM) signals based upon the first and second sensed operating parameters. Means are coupled to the first and second PWM signals for comparing the pulse widths thereof. The PWM signal having the narrower pulse width is coupled to a switch for controlling the current delivered to the exciter. The exciter current is therefore controlled in accordance with one of the sensed parameters at any particular time.
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Hill Arthur
Sims Cecil W.
Hickey R. J.
Sundstrand Corporation
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