ICONE11-36171 RISK MANAGEMENT IN TAIWAN'S NUCLEAR POWER PLANTS BY ADOPTING TIRM-2

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概要

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• The TIRM-2 is the second generation risk monitor developed by INER and TPC. By providing risk indexes such as CDF, LERF, ΔCDF, ΔLERF, importance measurements and availability of safety systems, the TIRM-2 can precisely capture the plant risks and can serve as a better management resource. Examples about how to use TIRM-2 for the risk management are discussed in this paper. For plant at power operation, the TIRM-2 allows the plant staff to change plant configuration directly from the P&I Diagram. For a new plant configuration, only a few minutes will be spent for TIRM-2 to recalculate all the risk indexes. TIRM-2 can also provide risk profile and the associated risk indexes based on a given online maintenance schedule. The risk profile of CDF and LERF with ΔCDF and ΔLERF will help the plant staff with preparing associated information for the applications of risk-informed, performance-based regulation. With the proposed refueling outage schedule, the TIRM-2 can predict status of safety system and risk profile of CDF hourly. All calculations can be done within 40 minutes for a typical 50-days outage schedule. The plant staff and managers can rearrange the maintenance schedule referring to TIRM-2's predicted results and avoiding the plant entering into a potential high-risk situation. With the capability of performing both CDF and LERF calculations, the TIRM-2 will become a very helpful tool in monitoring the risk of different plant status and will provide further information directly for risk-informed applications.

• 一般社団法人日本機械学会の論文

著者

• Kao Tsu

  Institute of Nuclear Energy Research

• Chao Chun

  Institute Of Nuclear Energy Research

• Huang Shian

  Taiwan Power Company

関連論文

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• ICONE11-36171 RISK MANAGEMENT IN TAIWAN'S NUCLEAR POWER PLANTS BY ADOPTING TIRM-2

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