Published on March 13, 2014
PSA-HD Simulator for Severe Accidents firstname.lastname@example.org
2 Post-Fukushima Drivers of Severe Accident Simulation FLEX NTTF RMRF B.5.b IRM ASME NSC HD simulator Desktop & full-scope Classroom Training Site drills/ exercises Safety analysis V&V
3 What Does the Industry Need? • A single tool for: – Safety analysis, emergency planning, technical support and training organizations – Desktop, classroom, and full-scope simulators – Multi-unit site scenarios from normal operations to EOP, SAMG and EDMG – Ease of coupling with plant desired codes, such as dose • An essential tool to meet regulatory requirements (e.g., NTTF) in post-Fukushima • Reducing costs and risks with intuitive tool set to facilitate training, drills/exercises, analysis, and V&V
4 Tier 1 NTTF Recommendations • 2.1 - Seismic and flood hazard reevaluations • 2.3 - Seismic and flood walk downs • 4.1 - Station blackout (SBO) regulatory actions • 4.2 - Equipment covered under Title 10 of the Code of Federal Regulations (10 CFR) 50.54(hh)(2) • 5.1 - Reliable hardened vents for Mark I and Mark II containments • 7.1 - SFP instrumentation • 8 - Strengthening and integration of emergency operating procedures, severe accident management guidelines (SAMGs), and extensive damage mitigation guidelines • 9.3 - Emergency preparedness regulatory actions (staffing and communications)
5 Tier 3 NTTF Recommendations • 9.1/9.2 - Emergency preparedness (EP) enhancements for prolonged SBO and multiunit events (dependent on availability of critical skill sets) • 9.3 - ERDS capability (related to long-term evaluation Recommendation 10) • 10 - Additional EP topics for prolonged SBO and multi-unit events (long-term evaluation) • 11 - EP topics for decision making, radiation monitoring, and public education (long term evaluation) • 12.1 – Reactor oversight process modifications to reflect the recommended defense in-depth framework (dependent on recommendation 1) • 12.2 - Staff training on severe accidents and resident inspector training on SAMGs (dependent on recommendation 8)
6 Desktop Simulator Technology • PSA-HD (MAAP code) • Interactive GUI • Simulates most important systems & scenarios (RCS/ SG/Cont./Aux Blvd./SFP/Dose) Applications • Classroom training • Computer-based training (graphical and text procedures) • Engineering analysis
7 Unit 2 containment MAAP5 RCS MAAP5 SG MAAP5 Core Unit 1 containment MAAP5 RCS MAAP5 SG MAAP5 Core In-plant DOSE simulation In-plant DOSE simulation Ex-plant DOSE simulation MAAP5 Auxiliary building MAAP5 Spent fuel pool Demo on a 2-unit plant of Westinghouse 4-loop PWR PSA-HD: Desktop Simulation
8 Full-Scope Simulator Technology • PSA-HD integrated in FSS • Enhanced simulator models as needed • Integrated EOPs, SAMGs & EDMGs Applications • Plant site drills and exercises involving TSC, OSC, EOF • Performance evaluation • Operator training • Realistic V&V and analysis
9 A Demo on a 2-Unit Plant of Westinghouse 4-Loop PWR PSA-HD: Full-Scope Simulator Unit 2 containment MAAP5 RCS TH code/ MAAP5 SG TH code/ MAAP5 Core S3R Unit 1 containment MAAP5 RCS TH Code/ MAAP5 SG TH Code/ MAAP5 Core S3R In-plant DOSE simulation In-plant DOSE simulation Ex-plant DOSE Simulation MAAP5 BOP JTopMeret Auxiliary building MAAP5 Spent fuel pool I&C JControl Electrical system JElectric
10 GSE HD Parallel Architecture JADE Operation Station DCS-Like HMI animation, Soft panels, Interface simulation control HD server 1 for MAAP5 Unit 1 HD server 2 for MAAP5 Unit 2 HD server 3 for MAAP5 Unit 3 JADE Dashboard (JDB) HD server, Graphical user interface, interactive control, monitor, V&V HD Client HD server # for MAAP5 Unit #
11 Reactor Core Performance UNIT 1 UNIT 2 Time 4H:2M:56S
12 Fukushima Unit 3 at 76 Hours
13 Off-site Radiological Dose Time 6:20:06
14 SBT in PSA-HD (SAMGs) SBT is a computer-based procedure that helps automate the SAMG to control the sequence of events in PSA-HD simulation.
15 Analysis/V&V Tool referencedata simulatordata
16 PSA-HD Sample Configuration
17 Key Points • Need to work with PRA and EP groups – PRA group has MAAP Models (this is the standard) – EP need these tools first and are developing responses to the Recommendations (Flex, SAMG) – Model is important – Then training • May not need full-scope integration – Start with single unit desktop (include Flex, etc.) – Then expand to multi-unit/site model with fuel pool, etc. – Use for validating updated procedures (demonstrate effectiveness) – Expand interface for training of decision makers and stakeholders – Then maybe integrate with full-scope simulator • All desktop work is applicable so investment is not lost
For more information: Go to: www.GSES.com Call: 800.638.7912 Email: email@example.com Follow us on: Twitter @GSESystems Facebook.com/GSESystems
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