| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6761872 | Nuclear Engineering and Design | 2014 | 13 Pages |
Abstract
In this case study, the reliability evaluation is made by GO-FLOW methodology to determinate the influence of ADS system in dynamic reliability of passive core cooling system (PXS) of AP1000, i.e. what will happen if ADS system fails or successfully actuate. The GO-FLOW is success-oriented reliability analysis tool and is capable to evaluating the systems reliability/unavailability alternatively to Fault Tree Analysis (FTA) and Event Tree Analysis (ETA) tools. Under these specific conditions of LBLOCA, the GO-FLOW calculated reliability results indicated that ADS is a key safety system of AP1000 NPP to reduce RCS pressure in controlled fashion and enables the all safety injections for automatic core cooling successfully after the accident. And dynamic reliability of the passive core cooling system of AP1000 plant is increased by the successful actuation of ADS system. Thus, by this application case study, it is pointed out, that high reliability of the passive safety system of AP1000 would depend on the full reliability of ADS system that it would work surely when needed.
Related Topics
Physical Sciences and Engineering
Energy
Energy Engineering and Power Technology
Authors
Muhammad Hashim, Yoshikawa Hidekazu, Matsuoka Takeshi, Yang Ming,