Electricity: single generator systems – Automatic control of generator or driving means – Electrical conditions in circuit other than that of...
Patent
1995-08-04
1997-12-23
Stephan, Steven L.
Electricity: single generator systems
Automatic control of generator or driving means
Electrical conditions in circuit other than that of...
322 27, 322 36, H02H 706
Patent
active
057010706
ABSTRACT:
An electrical generator damage protection apparatus is provided. The protection apparatus includes a circuit breaker which opens and closes an electrical circuit in response to a breaker control signal. A controller is operatively coupled to the circuit breaker to generate the breaker control signal based upon periodically sensed current magnitudes output by a generator. This breaker control signal controls total current output by the generator over a predetermined time span to less than a generator damage curve. The generator damage curve corresponds to a maximum amount of total current which can be generated by the generator over the predetermined time span without damaging the generator. In addition, a electrical generator system having the protection apparatus is provided. Also, a method for protecting an electrical generator from damage with a breaker control signal which controls total current output by the generator over a predetermined time span to less than a generator damage curve is provided.
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Onan Corporation
Ponomarenko Nicholas
Stephan Steven L.
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