RESEARCH PAPERS: Articles on Power Plant Control

Dynamic Testing in Nuclear Power Plants for Model Validation

[+] Author and Article Information
T. W. Kerlin, E. M. Katz, A. T. Chen, J. G. Thakkar, S. I. Chang

Department of Nuclear Engineering, The University of Tennessee, Knoxville, Tenn.

J. Dyn. Sys., Meas., Control 98(3), 340-347 (Sep 01, 1976) (8 pages) doi:10.1115/1.3427047 History: Received June 14, 1976; Online July 13, 2010


Dynamics tests were preformed at the Oconee pressurized water reactor to obtain information for checking a theoretical plant model. Low level, periodic reactivity perturbations were introduced and several system responses (reactor power, temperatures, pressures) were monitored. The data were processed off-line to give frequency responses. A linear state-variable model for the plant was formulated and used to compute theoretical frequency responses. A computerized, model-reference identification procedure was used to identify the fuel temperature coefficient of reactivity and the overall fuel-to-coolant heat transfer coefficient. The study showed that dynamic tests can be performed in operating nuclear power plants with insignificant interference to normal operation. Also, the use of automatic parameter identification procedures was demonstrated.

Copyright © 1976 by ASME
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