ML11221A299: Difference between revisions
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{{#Wiki_filter:RancoSecoLoss of ICS Power Chapter 15.0B&WCrossTrainingCourse 1 B&W Cross-Training Course R-326C OBJECTIVES1.Describe the symptoms of an overcooling transient.2.Explain how the loss of power to the ICS controlstationsresultedin: | |||
2 control stations resulted in:a.An overheating event and b.A subsequent overcooling event.3.Describe the effect of operating a multi-stage centrifugal pump without a suction | |||
source. | |||
Appendix -Sequence of Events 3 | |||
Appendix -Sequence of Events 4 | |||
Appendix -Sequence of Events 5 | |||
Appendix -Sequence of Events 6 | |||
Appendix -Sequence of Events 7 | |||
Appendix -Sequence of Events 8 | |||
Appendix -Sequence of Events 9 | |||
Appendix -Sequence of Events 10 ICS Power Supplies Fig 15-1 11 Fig. 15-1 12Main Steam System (Fig. 15-2) | |||
MFW reg. valves assume 50% open positions.MFW block valves close. | |||
13Main Feedwater System (Fig. 15-3) 14Auxiliary Feedwater System (Fig. 15-4) 15High Pressure Injection System (Fig. 15-5) | |||
Dominant Core Vulnerability Sequence Event Tree Fig 15 6 16 Fig. 15-6 Dominant Core Damage Sequence Event TreeFig. 15-7 17}} |
Revision as of 11:46, 4 August 2018
ML11221A299 | |
Person / Time | |
---|---|
Site: | Rancho Seco |
Issue date: | 08/01/2011 |
From: | NRC/HR/ADHRTD/RTTB-PWR |
To: | |
References | |
Download: ML11221A299 (17) | |
Text
RancoSecoLoss of ICS Power Chapter 15.0B&WCrossTrainingCourse 1 B&W Cross-Training Course R-326C OBJECTIVES1.Describe the symptoms of an overcooling transient.2.Explain how the loss of power to the ICS controlstationsresultedin:
2 control stations resulted in:a.An overheating event and b.A subsequent overcooling event.3.Describe the effect of operating a multi-stage centrifugal pump without a suction
source.
Appendix -Sequence of Events 3
Appendix -Sequence of Events 4
Appendix -Sequence of Events 5
Appendix -Sequence of Events 6
Appendix -Sequence of Events 7
Appendix -Sequence of Events 8
Appendix -Sequence of Events 9
Appendix -Sequence of Events 10 ICS Power Supplies Fig 15-1 11 Fig. 15-1 12Main Steam System (Fig. 15-2)
MFW reg. valves assume 50% open positions.MFW block valves close.
13Main Feedwater System (Fig. 15-3) 14Auxiliary Feedwater System (Fig. 15-4) 15High Pressure Injection System (Fig. 15-5)
Dominant Core Vulnerability Sequence Event Tree Fig 15 6 16 Fig. 15-6 Dominant Core Damage Sequence Event TreeFig. 15-7 17