Development and Application of AP1000 Nuclear Power Plant Equipment Reliability Database

Abstract

[Introduction] The important value of equipment reliability data in nuclear power plant PSA, RCM, maintenance rules, reliability assurance program, risk guide management and other fields, puts forward the necessity of developing AP1000 equipment reliability database. [Method] Some important issues in the development process of AP1000 nuclear power plant specific database, such as independent failure analysis process, equipment and equipment category selection, reliability parameter estimation method, common cause failure analysis method and process, nuclear power plant specific data and general data. The collection and analysis of nuclear power plant specific data and general data collection and analysis, as well as the application of reliability data, etc. were discussed. [Result] The technical route for the development of AP1000 power plant specific equipment reliability database was proposed. [Conclusion] The establishment and application of AP1000 nuclear power plant equipment reliability database can accumulate valuable nuclear power plant specific operation, maintenance, failure, test and other data, provide reliability parameters for nuclear power plant operation PSA, provide an important reference for optimize operation and maintenance, safety management and other fields.

Keywords

• probabilistic safety assessment (psa)
• component reliability database
• classic estimate
• bayesian estimate
• common cause failure