Nuclear power plant feedwater controller design

Details Nuclear power plant feedwater controller design Nuclear power plant feedwater controller design

1981-12-07

1984-10-23

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By coolant flow

376216, 376246, 364494, 606441, 60662, 60667, G21C 732

Patent

active

044787839

ABSTRACT:
A system for controlling the feedwater system in a nuclear power plant is disclosed. The system utilizes a logic calculations subsystem (50) which selects the operational mode of the system to be monitored from a plurality of operational modes. A disturbance estimate calculations subsystem (52) contains a dynamic mathematic model of the feedwater system and compares measured system variables with corresponding dynamic model variables contained therein to produce signals representative of deviations therebetween. A modified feedforward calculations subsystem (54) utilizes these signals and other system parameters as inputs to a steady-state mathematical model to produce control signals to determine valve positions and pump speeds so that the control valve flows, minimum control valve pressure drop, and feedwater pump flows are at their respective demanded values.

REFERENCES:
patent: 4104117 (1978-08-01), Parziale
patent: 4330367 (1982-05-01), Musick

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