The paper presents the methodology adopted to assess the Interim Safety Analysis Report (ISAR) of the Belene NPP in the framework of the contract between the Bulgarian Nuclear Regulatory Authority (BNRA) and RISKAUDIT (IRSN&GRS). It stresses the in-depth analysis carried-out for several relevant-to-safety issues and illustrates in some detail the investigation of the Large Break Loss of Coolant Accident (LB LOCA) with loss of power and failure of the active part of the Emergency Core Cooling System (High Pressure and Low Pressure Safety Injection pumps), performed with the French best estimate thermal-hydraulic code CATHARE. The role, problems and efficiency of the passive and active safety systems during the accident scenarios are discussed. Finally, the main conclusions of the safety evaluation of the Belene NPP project are summarized.
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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
Safety Assessment and Accident Analysis of VVER-1000/466B With Active and Passive Safety Systems for Belene NPP
Luben Sabotinov,
Luben Sabotinov
IRSN, Fontenay-aux-Roses, France
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Borislav Dimitrov,
Borislav Dimitrov
IRSN, Fontenay-aux-Roses, France
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Giovanni B. Bruna
Giovanni B. Bruna
IRSN, Fontenay-aux-Roses, France
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Luben Sabotinov
IRSN, Fontenay-aux-Roses, France
Borislav Dimitrov
IRSN, Fontenay-aux-Roses, France
Giovanni B. Bruna
IRSN, Fontenay-aux-Roses, France
Paper No:
ICONE22-31039, V003T06A044; 10 pages
Published Online:
November 17, 2014
Citation
Sabotinov, L, Dimitrov, B, & Bruna, GB. "Safety Assessment and Accident Analysis of VVER-1000/466B With Active and Passive Safety Systems for Belene NPP." 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. V003T06A044. ASME. https://doi.org/10.1115/ICONE22-31039
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