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The Performance Evaluation of NSSS Control Systems for UCN 4
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  • The Performance Evaluation of NSSS Control Systems for UCN 4
저자명
Sohn. Suk-Whun,Song. In-Ho,Sohn. Jong-Joo,Park. Jong-Ho,Seo. Jong-Tae
간행물명
Journal of the Korean Nuclear Society
권/호정보
2001년|33권 3호|pp.339-348 (10 pages)
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한국원자력학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

NSSS Control Systems automatically mitigate transient conditions and leads to a stable plant condition without operator actions when a transient occurs during normal power operation. In this paper, the function and performance of NSSS control systems were examined and evaluated by comparing the predicted results with the measured data for the selected events. Loss of a Main Feedwater Pump and Load Rejection to House Load Operation events were selected for the evaluation among the transient tests peformed during the Power Ascension Test (PAT) of UCN unit 4. The overall schematic control actions of NSSS control systems can be evaluated easily through the observation of these two typical events. The selected events were analyzed by the KISPAC computer code[l] which had been used in developing the control logic and determining the control setpoints during the plant design. Additionally, the performance of FWCS during low power operation was evaluated. The result of evaluation showed that the NSSS control systems were designed properly and the performance of the NSSS control systems was excellent and also the computer code had a good prediction capability.