Term
| How can SI be initiated manually? |
|
Definition
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Term
| What containment pressure will initiate SI? |
|
Definition
| 2/3 Hi 1 CTMT pressure >17.7 psia |
|
|
Term
| What PZR pressure will initiate SI? |
|
Definition
|
|
Term
| What steam line pressure will initiate SI? |
|
Definition
2/3 on 1/4 SG
<658.6 psig |
|
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Term
| What does a SI signal cause? |
|
Definition
- Reactor trip
- Turbine trip
- Main feed pump trip
- CIA
- FWI
- Sends signal to EGLS (sequencer) and to slave relays not controlled by EGLS
- CBI for manual and HI 1 containment pressure
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|
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Term
| How can a CIA be initiated? |
|
Definition
Manually with 1/2 switches at MB2
or
with an SI signal |
|
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Term
| What does a CIA signal do? |
|
Definition
| Isolates all containment isolations except ECCS and RPCCW |
|
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Term
| How can a CIB signal be initiated? |
|
Definition
2/2 on 1/2 sets of buttons on MB2
or
2/4 Hi 3 containment pressure >23psia |
|
|
Term
| What does a CIB signal do? |
|
Definition
|
|
Term
|
Definition
| Sends CDA signal to EGLS and slave relays not controlled by sequencer |
|
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Term
| What initiates a MSI signal? |
|
Definition
- Manually at MB2 or MB5
- 2/3 Low steam line pressure <658.6psig (above p-11)
OR
- 2/3 Hi steam pressure rate >100 psi/sec ↓
(below P-11)
or
- 2/3 Hi-2 Containment pressures >17.7
|
|
|
Term
| What does a MSI signal do? |
|
Definition
| Closes MSIVs, MSIV bypasses and upstream traps |
|
|
Term
| What initiates a FWI signal? |
|
Definition
- SI signal
- HI HI SG level (>80%) on 2/4 SG (P-14)
- 2/4 Low loop Tave w/ P-4 (train related) <564F
|
|
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Term
| What does an "A" train FWI signal do? |
|
Definition
Closes the following:
- Feed Reg Valves
- Bypass FRVs
- A&C Chem Feed isolation valves
|
|
|
Term
| What does a "B" Train FWI signal do? |
|
Definition
Closes the following:
- Feed CTVs
- B&D chem feed isolation valves
|
|
|
Term
| How can a CBI be initiated? |
|
Definition
- Manually at MB2 or VP1
- 2/3 Hi 1 containment pressure >17.7 psia
- Manual SI at MB2 or MB4
- 1/1 Hi rad >1.5x10-5μci/cc
|
|
|
Term
| What does a CBI signal do? |
|
Definition
- Opens 3HVC * AOV25 and 26
- Opens 3HVC*MOD33A
- Starts 3HVC*FN1A
- Opens 3HVC*AOD119A
|
|
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Term
| What causes an LOP signal? |
|
Definition
- Loss of voltage (<70% for 1.8 seconds)
- Degraded with no ESF signal (<90% for 4.5 minutes)
- Degraded WITH an ESF signal (<90% for 7 seconds)
|
|
|
Term
| What does an LOP signal do? |
|
Definition
| Starts EGLS, AFAS, EDG etc... |
|
|
Term
| What initiates an AMSAC signal? |
|
Definition
3/4 Lo Lo SG levels (coincident with C-20)
<16.6% after 25 secs |
|
|
Term
| What does an AMSAC signal do? |
|
Definition
- Trips turbine
- starts Motor driven and Turbine driven AFWPs
- Closes BDG CTVs
- Closes SG sample CTVs
|
|
|
Term
| What gives a containment purge isolation signal? |
|
Definition
- 3RMS*RE41 >1 Rem/hr
- 3RMS*42 >1 Rem/hr
|
|
|
Term
| What does Cont Purge isolation signal do? |
|
Definition
| Closes Containment purge CTVs |
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