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PCTs Flashcards

1
Q

P-4

A

Rx tripped

2/2 Trip and bypass bkrs open or racked out

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2
Q

P-6

A

SR trip block

1/2 IR NIs >10^-10 A (5x10^-11 A)

Allows manual block of SR trip (auto unblocks)

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3
Q

P-7

A

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)

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4
Q

P-8

A

3 loop

2/4 >50%

Enables lo flow trip on 1/4 loops (2/4 required <50%)

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5
Q

P-9

A

Rx trip on Turb trip

2/4 >51%

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6
Q

P-10

A

Rx at power

2/4 >11% (<9%)

Auto blocks SR trip and hi volts (auto unblocks if

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7
Q

P-11

A

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)

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8
Q

P-12

A

Lo-lo Tave block

2/4 <553ºF

Auto blocks SDs (can be bypassed)

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9
Q

P-13

A

Turb not at power

1/2 (505/506) >10%

Feeds P-7

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10
Q

P-14

A

Hi-hi Lsg

2/4 on 1/4 >80%

Trips Turb, MFPs, FWI

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11
Q

P-19

A

Cold leg injection

2/4 < 1900#

Allows 8801s to auto open on SI

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12
Q

C-1

A

IR Hi Flux Rod Stop

1/2 >20% (current eq)

Blocks rod withdrawal (can be manually blocked >P-10)

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13
Q

C-2

A

PR Overpower Rod Stop

1/4 >103%

Blocks rod withdrawal

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14
Q

C-3

A

OT∆T

2/4 >119%

Blocks rod withdrawal, runback

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15
Q

C-4

A

OP∆T

2/4 >109%

Blocks rod withdrawal, runback

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16
Q

C-7

A

Load Reject

506 >10% step or 5%/min ramp decrease

Arms SDs (in Tave mode, manual reset)

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17
Q

C-9

A

Condenser Available

1/2 pumps/bay
3/3 <5” HgA

Allows SDs

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18
Q

C-16

A

Hi Terror/Lo Tave

Auction lo Tave >20ºF lo or <553ºF

Prevents Turb load increase (hold light)

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19
Q

C-20

A

AMSAC Not Armed

1/2 (505/506) <260# for >261 sec

20
Q

SR Flux Hi Trip

A

1/2 >10^5 cps

Not credited

21
Q

IR Flux Hi Trip

A

1/2 >25% (current eq)

Not credited

22
Q

PR Flux Hi (Lo) Trip

A

2/4 > 25%

∆Sk too rapid for T/P

23
Q

PR Flux Hi (Hi) Trip

A

2/4 >109%

Excessive heat flux leading to DNB

24
Q

PR Flux Rate Hi Trip

A

2/4 +5 step ≤2 sec

Rod ejection
Manually reset

25
Q

Lpzr Hi Trip

A

2/3 89%

Not credited
Overpressure (RCS)

26
Q

Ppzr Hi Trip

A

2/4 >2385#

Overpressure (PZR and components)

27
Q

Ppzr Lo Trip

A

2/4 <1900#

Limits OT∆T req’d range

28
Q

OT∆T Trip

A

2/4 >120%

Slow DNB transients (stm blanketing)
Inputs: Tave, Ppzr, ∆I

29
Q

OP∆T Trip

A

2/4 >110%

Not credited
Excessive kw/ft from SLB
Inputs: Tave, ∆T
Cannot increase

30
Q

Lo RCP Speed Trip

A

2/4 <92.4%

Fast DNB transient

31
Q

Lo Lsg Trip

A

2/4 in 1/4 <18%

DHR

32
Q

Turb Tripped

A

4/4 TSVs closed

2/3 Pets <500#

33
Q

Lo RCS Flow Trip

A

2/3 <90%

Fast DNB transient
P-8

34
Q

Manual Rx Trip

A

1/2 MB4 or MB7

35
Q

General Warning Trip

A

2/2 trains SSPS Trouble

11 conditions
First Outs contradict

36
Q

N-1 Trip

A

> 1 loop sw/train bypassed
or
1 sw/train for different loops

37
Q

SI

A

1/2 switches on MB2/MB4
2/3 >18#
2/4 <1892
2/3 in 1/4 <660#

Trips Rx, Turb, MFPs (14 sec TD)
CIA, FWI, CBI (man/18#)
Starts EDG, AFW, CHS, SI, RHR, SW, CCP, CAR, CRDM, AB Fans, EDG

60 sec to reset, P-4 blocks (train related)

38
Q

CIA

A

1/2 PBs on MB2
SI

CIVs close (E-0 Att A) except CCP/CDS x-connects which open

39
Q

CIB

A

2/2 on 1/2 sets of CDA PBs
2/4 >23#

Isolates CCP CIVs (45s, 48s, 49s)

40
Q

CDA

A

2/2 on 1/2 sets on MB2
2/4 > 23#

Starts QSS, RSS, CHS, SI, RHR, AFW, SW HVK, IRR/CR ACUs
Stops CCP, CAR, CRDM fans

Energize to actuate

41
Q

MSI

A

1/2 PBs on MB2/MB5
2/3 >18#
2/3 on 1/4 <660# or 100#/sec decrease

Close MSIV and bypasses, upstream traps, and ARVs

42
Q

FWI

A

SI
P-14
P-4 and <564ºF

Close FRV and bypasses, CTV41s, and chem feed isolations

43
Q

CBI

A

Manual SI
1/2 PBs on MB2/VP1
1/2 >1.5x10^-5 uCi/cc (or LOP)
2/3 >18#

CR to pressurized filtered recirc
TSC to filtered recirc

44
Q

AFW

A 
SI/CDA/LOP
Lo Lsg (2/4 for TT)

Start AFW
Close sample and BDG isolations

45
Q

AMSAC

A

1/1 in 3/4 ≤16% (>25 sec with C-20)

Trip Turb
Start all AFW
Close sample and BDG isolations

46
Q

LOP

A

2/4 <70% (1.8 sec) and 1/1 <30%
2/4 <90% (4.5 min or 7.5 sec with SSS)

Slow transfer attempt for 5 sec
LOP signal to EGLS
Start signal to EDGs

47
Q

CTMT Purge

A

1/1 ≥1R/hr

Close CTMT purge supply and exh

ILT (8 decks)

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