Power generation control system for generator

Details Power generation control system for generator Power generation control system for generator

1993-12-22

1996-04-23

Dougherty, Thomas M.

Electricity: single generator systems

Automatic control of generator or driving means

Plural conditions

322 59, 320 5, H02P 910

Patent

active

055106951

ABSTRACT:
A power generation control system for a generator is provided with a smoothing circuit, a voltage control circuit and an exciting current control circuit including a delaying circuit. When a terminal voltage of a smoothing capacitor is higher than a first reference voltage of a first comparator, a switching element is closed to supply current to an exciting coil. When a divided voltage of a voltage detecting circuit is lower than a second reference voltage of a second comparator, the smoothing capacitor is charged so that the terminal voltage thereof is gradually raised. When a detection voltage of the exciting current control circuit is higher than a third reference voltage of a third comparator, the smoothing capacitor is rapidly discharged so that the terminal voltage thereof is rapidly lowered down to a value not higher than the first reference voltage of the first comparator. Thereafter, the smoothing capacitor is charged again, in a manner as mentioned above, so that the terminal voltage thereof is gradually raised.

REFERENCES:
patent: 4739243 (1988-04-01), Iwatani et al.

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