This paper describes current regulatory practice and research activities on risk based applications for nuclear power platns in Korea. Korea has had an active nuclear program since the early 1970s. Part of the Korean Policy Statement for Severe Accident implies a basic policy on PSA based on risk-informed approach. PSA has been utilized widely as a tool of evaluating and decision making for safety of NPPs either in the process of design or operation such as YGN 3&
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