Reactor trip on turbine trip inhibit control system for nuclear

Details Reactor trip on turbine trip inhibit control system for nuclear Reactor trip on turbine trip inhibit control system for nuclear

1973-07-31

1976-10-12

Pendegrass, Verlin R.

176 37, G21C 1900

Patent

active

039856135

ABSTRACT:
A reactor trip on turbine trip inhibit control system for a nuclear power generating system which utilizes steam bypass valves. The control system inhibits a normally automatic reactor trip on turbine trip when the bypass valves have the capability of bypassing enough steam to prevent reactor trip limits from being reached and/or to prevent opening of the secondary safety pressure valves. The control system generates a bypass valve capability signal which is continuously compared with the reactor power. If the capability is greater than the reactor power, then an inhibit signal is generated which prevents a turbine trip signal from tripping the nuclear reactor.

REFERENCES:
patent: 3425903 (1969-02-01), Bevilacqua
patent: 3671390 (1972-06-01), Hogle
patent: 3791922 (1974-02-01), Musick

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