H - Electricity – 02 – J
Patent
H - Electricity
02
J
322/0.5
H02J 3/38 (2006.01) H02H 3/00 (2006.01)
Patent
CA 1140989
PROTECTIVE CIRCUIT FOR CLUTCHLESS PARALLEL GENERATING SYSTEM Abstract of the Disclosure An electrical distribution system has parallel connected generators powered by variable speed engines. Loads connected with each generator are interconnected through an electrical distribution bus. Constant speed drives have inputs connected with the engines and outputs directly connected with the generators. The connections between the constant speed drive outputs and the generators are characterized by the absence of overrunning clutches used in prior systems. An improved electrical protective circuit senses a flow of electrical power from the distribution bus to a generator, driving the generator as a motor, If the power flow to the generator is excessive, the bus tie breaker is opened disconnecting the generator from the bus.
339067
Christen Roland W.
Deichstetter Alfred A.
George H. Riches And Associates
Sundstrand Corporation
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