Method of protection of a pressurized-water nuclear reactor

Details Method of protection of a pressurized-water nuclear reactor Method of protection of a pressurized-water nuclear reactor

1982-06-08

1985-11-26

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376245, 376254, 376258, G21C 736

Patent

active

045553823

ABSTRACT:
The invention relates to a method of protection of a pressurized-water nuclear reactor, which enables the crisis of boiling and the melting of fuel to be avoided. An emergency shutdown is triggered when a parameter representative of the crisis of boiling or the power released per unit length of the fuel elements exceeds a limiting value. For the determination of these parameters, the most exact representation possible of the distribution of the power in the core of the reactor is employed. This distribution is obtained by measurement of the axial power by ionization chambers, and determination of the radial power by measurement of the positions of the control rods.

REFERENCES:
patent: 3998693 (1976-12-01), Musick
patent: 4318778 (1982-03-01), Musick

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