Dropped rod protection insensitive to large load loss

Details Dropped rod protection insensitive to large load loss Dropped rod protection insensitive to large load loss

1985-12-17

1987-12-29

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

Means to inhibit control rod movement

376216, G21C 736

Patent

active

047160098

ABSTRACT:
A protection system such for a nuclear power plant shuts down the reactor in response to the detection of a negative flux rate characteristic of a dropped rod, but inhibits the trip if the specified negative flux rate is preceded within a selected time interval by a positive flux rate characteristic of a net load rejection when the moderation temperature coefficient is highly negative.

REFERENCES:
patent: 3997767 (1976-12-01), Torres et al.
patent: 4046625 (1977-09-01), Musick et al.
patent: 4399095 (1983-08-01), Morris
patent: 4548784 (1985-10-01), Watari

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