Method of renovating the control system for controlling control

Details Method of renovating the control system for controlling control Method of renovating the control system for controlling control

1989-01-13

1991-10-22

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376216, 376228, G21C 736

Patent

active

050593820

ABSTRACT:
Control clusters, each of which comprises a plurality of neutron-absorbing rods, are operable by means of electromagnetic mechanisms whose coils are powered by power bridges driven from a control desk (11). The control system includes a controlling hard-wired logic circuit (12) serving the desk and supervising a plurality of hard-wired logic interfaces each of which serves a subgroup (10) of electromagnetic mechanisms for a determined number of clusters. The static power assemblies (9) each including a hard-wired logic interface and the power bridges of the subgroup(s) (10) served thereby are successively and independently replaced by at least one electronic power assembly (23) constituted by a computer and the power bridges of a subgroup served thereby.

REFERENCES:
patent: 4125432 (1978-11-01), Brooks, Jr. et al.
patent: 4236220 (1980-11-01), Kogami
patent: 4363778 (1982-12-01), Abbott
patent: 4777010 (1988-10-01), Sato
8047 IEEE Transactions on Power Apparatus and Systems-vol.PAS-102 (1983), Jan., No. 1, New York, U.S.A.
"Control and Instrumentation of Large Nuclear Power Stations a Review of Future Trends" pp. 481-515 M. W. Jervis, M.Sc., Tech., C. Eng., F.I.E.E. IEE Proceedings, vol. 131, Pt. A. No. 7, Sep. 1984.

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