E3S Web Conf.
Volume 245, 20212021 5th International Conference on Advances in Energy, Environment and Chemical Science (AEECS 2021)
|Number of page(s)||4|
|Section||Energy Development and Utilization and Energy-Saving Technology Application|
|Published online||24 March 2021|
Probabilistic Safety Analysis for Loss of Offsite Power Accident in Dual-units Nuclear Power Plant
1 State Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment, China Nuclear Engineering Co.,Ltd, Shenzhen of Guangdong Prov. 518172, China
2 School of Nuclear Science and Engineering, Beijing Key Laboratory of Passive Nuclear Safety Technology, North China Electric Power University, Beijing 102206, China
* Corresponding author: email@example.com
In order to explore the risk assessment method of the multi-unit nuclear power plant site, this paper selects the dual-unit plant nuclear site to analyze lose off-site power accident. By combining and improving the single-unit ET/FT model, to establish the dual-unit ET/FT model. From the analysis of the accident sequence, it can be concluded that the common cause failure of equipment is the main challenge faced by the dual-units. Especially the RPC sub-channel in the reactor protection system and the failure of emergency diesel engine circuit breaker. As can be seen from the high proportion of core CD occurring simultaneously in both uints, it has a great significance to study the risk of mult-units sites.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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