G - Physics – 21 – C
Patent
G - Physics
21
C
359/27
G21C 7/30 (2006.01) G21C 7/36 (2006.01)
Patent
CA 1309516
Abstract of the Disclosure Closed-loop control law for altering the power level of nuclear reactors in a safe manner and without overshoot and in minimum time. Apparatus is provided for moving a fast-acting control element such as a control rod or a control drum for altering the nuclear reactor power level. A computer computes at short time intervals either the function: Image or the function: Image These functions each specify the rate of change of reactivity that is necessary to achieve a specified rate of change of reactor power. The direction and speed of motion of the control element is altered so as to provide the rate of reactivity change calculated using either or both of these functions thereby resulting in the attainment of a new power level without overshoot and in minimum time. These functions are computed at intervals of approximately 0.01-1.0 seconds depending on the specific application.
555591
Bernard John A. Jr.
Smart & Biggar
LandOfFree
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