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http://dx.doi.org/10.5855/ENERGY.2014.23.3.096

A Study on the Drift Effect of Instrument Channel for Nuclear Power Plant  

Kim, In Hwan (Korea Hydro & Nuclear Power Company, Central Research Institute)
Kim, Hyeong Taek (Korea Hydro & Nuclear Power Company, Central Research Institute)
Kim, Yun Jung (Korea Hydro & Nuclear Power Company, Central Research Institute)
Publication Information
Journal of Energy Engineering / v.23, no.3, 2014 , pp. 96-101 More about this Journal
Abstract
The Instrument Channel setpoints of the Reactor Protection System(RPS) and the Engineered Safety Feature Actuation System(ESFAS) ensures the safety of Nuclear Power Plants (NPPs), and the actuation of the protection system should be guaranteed on power change condition. The goal of this study is to verify the appropriateness of the sensor drift and rack drift which are important factors for setpoints evaluation and to improve the setpoints margin using the operation data, design specifications and operation manuals of the NPPS.
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