Intercept valve controlling method and system for use in a heat

Prime-mover dynamo plants – Electric control – Engine control

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60660, 290 52, H02J 110

Patent

active

039566374

ABSTRACT:
An intermediate intercept valve controlling method and system for use in a heat power plant wherein the occurrence of a fault in a transmission system is detected by an abrupt decrease in generator output, and the intercept valve is closed to a certain opening depending upon the magnitude of an output variation and is then opened when a rotor angle between the internal voltage and terminal voltage of the generator reaches the first peak value.

REFERENCES:
patent: 3421014 (1969-01-01), Moorganov
patent: 3427464 (1969-02-01), Watson
patent: 3609384 (1971-09-01), Strohmeyer
patent: 3614457 (1971-10-01), Eggenberger
patent: 3643437 (1972-02-01), Birnbaum
patent: 3836822 (1974-09-01), Schonfeld
patent: 3848138 (1974-11-01), Park
patent: 3849666 (1974-11-01), Park
patent: 3849666 (1974-11-01), Park

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