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{{#Wiki_filter: | {{#Wiki_filter:Ranco Seco Loss of ICS Power Chapter 15.0 B&W Cross-Training Cross Training Course R-326C 1 | ||
source. | OBJECTIVES | ||
Appendix -Sequence of Events 3 | : 1. Describe the symptoms of an overcooling transient. | ||
Appendix -Sequence of Events 4 | : 2. Explain how the loss of power to the ICS control stations resulted in: | ||
Appendix -Sequence of Events 5 | : a. An overheating event and | ||
Appendix -Sequence of Events 6 | : b. A subsequent overcooling event. | ||
Appendix -Sequence of Events 7 | : 3. Describe the effect of operating a multi-stage centrifugal pump without a suction source. | ||
Appendix -Sequence of Events 8 | 2 | ||
Appendix -Sequence of Events 9 | |||
Appendix -Sequence of Events 10 ICS Power Supplies Fig 15-1 | Appendix - Sequence of Events 3 | ||
MFW reg. valves assume 50% open positions.MFW block valves close. | |||
Appendix - Sequence of Events 4 | |||
Dominant Core Vulnerability Sequence Event Tree Fig 15 6 | |||
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 Fig. | |||
11 | |||
12 Main Steam System (Fig. 15-2) | |||
MFW reg. valves assume 50% open positions. | |||
MFW block valves close. | |||
13 Main Feedwater System (Fig. 15-3) | |||
14 Auxiliary Feedwater System (Fig. 15-4) | |||
15 High Pressure Injection System (Fig. 15-5) | |||
Dominant Core Vulnerability Sequence Event Tree Fig 15-6 Fig. 15 6 16 | |||
Dominant Core Damage Sequence Event Tree Fig. 15-7 17}} | |||
Latest revision as of 17:21, 12 November 2019
| ML11221A299 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/01/2011 |
| From: | NRC/HR/ADHRTD/RTTB-PWR |
| To: | |
| References | |
| Download: ML11221A299 (17) | |
Text
Ranco Seco Loss of ICS Power Chapter 15.0 B&W Cross-Training Cross Training Course R-326C 1
OBJECTIVES
- 1. Describe the symptoms of an overcooling transient.
- 2. Explain how the loss of power to the ICS 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.
2
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 Fig.
11
12 Main Steam System (Fig. 15-2)
MFW reg. valves assume 50% open positions.
MFW block valves close.
13 Main Feedwater System (Fig. 15-3)
14 Auxiliary Feedwater System (Fig. 15-4)
15 High Pressure Injection System (Fig. 15-5)
Dominant Core Vulnerability Sequence Event Tree Fig 15-6 Fig. 15 6 16
Dominant Core Damage Sequence Event Tree Fig. 15-7 17