System and method for controlling control rods of a nuclear powe

Details System and method for controlling control rods of a nuclear powe System and method for controlling control rods of a nuclear powe

1997-06-09

1998-10-06

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376237, G21C 712

Patent

active

058188924

ABSTRACT:
A system for controlling control rods which can be moved into and out of a reactor core of a nuclear power plant, includes a selector device, a monitor device and a rod control device. The selector device contains travel sequences which are selectable and defined for regulating the nuclear power plant, i.e. allocation and movement sequences of the control rods, and it transmits the selector signals allocated to each travel sequence to the rod control device. The monitor device checks the selector signals for acceptability while taking into account the structural features of the reactor core and the control rods, which are allocated to the respective travel sequence, in particular proximity relationships of the control rods. If the selector signals are acceptable, an enable signal is transmitted to the rod control device and the rod control device induces a displacement of the control rods according to the selector signals. From the point of view of process control, the selector device and the monitor device are separate from each other so that the system and method have a high degree of reliability which corresponds to safety regulations for nuclear power plants.

REFERENCES:
patent: 4717528 (1988-01-01), Meyer et al.
patent: 5217678 (1993-06-01), Fudasawa

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