This paper presents a general approach to evaluate the risk of trip or Loss of Off-site Power (LOOP) events in nuclear power plants due to contingencies in the power grid. The proposed methodology is based on the Zone of Vulnerability concept for nuclear plants introduced by EPRI in previous work. The proposed methodology is intended to be part of an integrated probabilistic risk assessment tool that is being developed under ongoing EPRI R&D programs. A detailed analysis of many events occurred in actual nuclear plants has been performed in order to identify, classify and characterize the various vulnerability and type of failures that may affect a nuclear plant. Based the outcome of that analysis, a methodology for evaluating the impact of off-site transmission system events on nuclear plants has been outlined. It includes description of the type of contingencies and conditions that need to be included in the analysis, as well as provisions regarding the simulation tools and models that should be used in each case. The methodology is illustrated in a simplified representation of the Western Electricity Coordinating Council (WECC) system in the U.S.
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2014 22nd International Conference on Nuclear Engineering
July 7–11, 2014
Prague, Czech Republic
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4593-6
PROCEEDINGS PAPER
Methodology to Evaluate Nuclear Power Plant Vulnerability to Events in the Transmission Grid Available to Purchase
Alberto Del Rosso,
Alberto Del Rosso
Electric Power Research (EPRI), Knoxville, TN
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Jean-François Roy,
Jean-François Roy
Electric Power Research (EPRI), Palo Alto, CA
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Frank Rahn,
Frank Rahn
Whitney Research Services (WRS), Palo Alto, CA
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Alejandro Capara
Alejandro Capara
Mercados Energéticos Consultores, Buenos Aires, Argentina
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Alberto Del Rosso
Electric Power Research (EPRI), Knoxville, TN
Jean-François Roy
Electric Power Research (EPRI), Palo Alto, CA
Frank Rahn
Whitney Research Services (WRS), Palo Alto, CA
Alejandro Capara
Mercados Energéticos Consultores, Buenos Aires, Argentina
Paper No:
ICONE22-30846, V003T06A037; 10 pages
Published Online:
November 17, 2014
Citation
Del Rosso, A, Roy, J, Rahn, F, & Capara, A. "Methodology to Evaluate Nuclear Power Plant Vulnerability to Events in the Transmission Grid." Proceedings of the 2014 22nd International Conference on Nuclear Engineering. Volume 3: Next Generation Reactors and Advanced Reactors; Nuclear Safety and Security. Prague, Czech Republic. July 7–11, 2014. V003T06A037. ASME. https://doi.org/10.1115/ICONE22-30846
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