Nuclear Academy - PSA Part 2

Level 2 PSA, Low Power and Shutdown PSA, and Internal hazards

The purpose of this course is to give participants an introduction to specific PSA topics such as Level 2 PSA, low power and shutdown PSA, and internal hazards. The course is tailored to individuals with some experience in PSA (PSA Part 1 or working experience). The lectures combine theory with practical examples, and there are exercises using RiskSpectrum® PSA.

  • June 2025 (week 26) – Stockholm
  • November 2025 (week 48) – Online

Plant Operating States

Low Power and Shutdown PSA

Introduction to Internal Hazards PSA eg Fire and Flooding

Level 2 PSA

  • Interface Level 1 and 2 PSA
  • Plant damage states
  • Accident progression analysis (containment event trees)
  • Containment failure modes and performance
  • Phenomena during severe accidents
  • Release categories and source terms
  • Quantification of large early release frequency (LERF/LRF)

Hands-on Practice using RiskSpectrum® PSA

  • Shutdown PSA modelling vs. full power PSA modelling
  • Integrated Level 1 and 2 PSA modelling
  • Internal hazards
  • Containment event trees and release categories

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