PCTs Flashcards
P-4
Rx tripped
2/2 Trip and bypass bkrs open or racked out
P-6
SR trip block
1/2 IR NIs >10^-10 A (5x10^-11 A)
Allows manual block of SR trip (auto unblocks)
P-7
Rx and Turb not at power
2/2 Both not at power
Auto blocks hi Lpzr, lo Ppzr, RCP speed, and RCS flow trips (auto unblocks)
P-8
3 loop
2/4 >50%
Enables lo flow trip on 1/4 loops (2/4 required <50%)
P-9
Rx trip on Turb trip
2/4 >51%
P-10
Rx at power
2/4 >11% (<9%)
Auto blocks SR trip and hi volts (auto unblocks if
P-11
Ppzr lo
2/3 <1992 (>2000)
Allows manual block of lo Ppzr and Pstm, inserts hi Beth rate MSI
(auto unblocks and opens SI accum valves)
P-12
Lo-lo Tave block
2/4 <553ºF
Auto blocks SDs (can be bypassed)
P-13
Turb not at power
1/2 (505/506) >10%
Feeds P-7
P-14
Hi-hi Lsg
2/4 on 1/4 >80%
Trips Turb, MFPs, FWI
P-19
Cold leg injection
2/4 < 1900#
Allows 8801s to auto open on SI
C-1
IR Hi Flux Rod Stop
1/2 >20% (current eq)
Blocks rod withdrawal (can be manually blocked >P-10)
C-2
PR Overpower Rod Stop
1/4 >103%
Blocks rod withdrawal
C-3
OT∆T
2/4 >119%
Blocks rod withdrawal, runback
C-4
OP∆T
2/4 >109%
Blocks rod withdrawal, runback
C-7
Load Reject
506 >10% step or 5%/min ramp decrease
Arms SDs (in Tave mode, manual reset)
C-9
Condenser Available
1/2 pumps/bay
3/3 <5” HgA
Allows SDs
C-16
Hi Terror/Lo Tave
Auction lo Tave >20ºF lo or <553ºF
Prevents Turb load increase (hold light)