Generator monitoring circuit

Details Generator monitoring circuit Generator monitoring circuit

H - Electricity

02

J

322/3.2

H02J 3/38 (2006.01) H02J 3/06 (2006.01) H02J 3/46 (2006.01)

Patent

CA 1073971

GENERATOR MONITORING CIRCUIT Abstract of the Disclosure A circuit for monitoring the output of a power gener- ator is disclosed. The circuit utilizes a current sensing transformer for each of the three phases of the power generator. The current is sensed, and after compensation for phase angle, is summed and provided to a bridge network. A difference am- plifier connected to the bridge network produces a difference signal representative of the voltage across the bridge network. The difference signal is supplied to a speed governor. By in- terconnecting additional circuits, a plurality of generators may be regulated to maintain a substantially equal load on each. The use of a difference amplifier provides the capability of intermixing speed governors having different D.C. reference levels. A low pass filter network for high frequency noise rejection is provided.

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