RQC-Know

Question 1

What are all the reactor trips with Coincidence and Setpoints?

Answer 1

SR High Flux, 1/2 @ 90,000 cps

IR High Flux, 1/2 @ 22.5% (20%) RTP

PR Hi Flux, Low SP, 2/4 @ 20% RTP

PR Hi Flux, Hi SP, 2/4 @ 107% RTP

PR Hi + Rate, 2/4 @ 4.5% in 2 sec

OP delta T, 2/4 variable

OT delta T, 2/4 variable

PRZ Press Hi, 2/4 @ 2385#

PRZ Press LO, 2/4 @ 1950#

PRZ Water Level Hi, 2/3 @ 92%

RCS Loss of Flow, 2/3 on 1/4 Loops > P8 or 2/3 on 2/4 Loops between P7 and P8 @ 91%

UV- RCP Busses, 1/2 on 2/4 busses @ 88 V

UF- RCP Busses, 1/2 on 2/4 busses @ 58.2 Hx

RCP Breaker Positions, 2/4 Open Aux Switch

SG Water Level LO LO, 2/3 on 1/4 SG @ 5% (22%)

SG Water Level Low w FF < SF, 1/2 on 1/4 SG and 1/2 on same SG @ 15% (26%) and 0.71E6 (1.47E6) lamp/hr

SI either Train

Turbine Trip, 2/3 oil press 800# or 4/4 SVs < 1%

Manual

Question 2

What are the RPS safety related Functions?

Answer 2

Keep fuel within DNBR and Limit RCS Pressure within design

Question 3

What are the RPS non-safety related functions?

Answer 3

Initiate turbine trip from Rx Trip and give status and alarm conditions

Question 4

What are the SI Signals with coincidences and Setpoints?

Answer 4

Manual

Containment Press Hi, 2/3 @ 1#

PRZ Press LO, 2/3 @ 1775#

DP by Steam Lines, 1 SG < 2 Others, 2/3 on any steam line @ 100 psig

SG Press LO, 1/1 on 2 SGs @ 500#

Question 5

What are the CTS signals with coincidences and setpoints?

Answer 5

Manual

Containment Press Hi Hi, 2/4 @ 2.8#

MUST ENERGIZE

Question 6

What are the Steam Line Isolation signals with coincendences and setpoints?

Answer 6

Manual

Containment Pressure Hi Hi, 2/4 @ 2.8#

High Steam Flow w P-12, 1/2 on 2 SGs @ 1.42E6 (1.6E6) variable w power

SG Pressrue, 1/1 on 2 SGs @ 500#

Question 7

What are the Turbine Trip and FWI signals with setpoints and coincidences?

Answer 7

SG Level Hi Hi, 2/3 on 1 SG @ 67%

SI

Rx Trip (P-4) w LO Tavg, either trip breaker open

FWI ONLY, Tave < 554*F on 2/4 loops

Question 8

What is the peak fuel centerline Safety Limit?

Answer 8

< 5080F decreasing by 58F per 10K MWD/MTU

Question 9

What does it take for P-4 to be active?

Answer 9

Both Rx Trip A or B and same Bypass Breaker open

Question 10

What is the function of P-4?

Answer 10

With Low Tavg, gives FWI

Seals in FWI from SI or Hi Hi SG Level

Permits manual block of auto SI Signals

Question 11

What does it take for P-6 status light to be lit?

Answer 11

Any IR NI >/= 10E-10 Amps

Question 12

When does P-6 status light go out?

Answer 12

BOTH IR NIs < 6E-11 amps

Question 13

What is the function of P-6?

Answer 13

Permits manual block of auto SR High Flux Trip

Question 14

When is P-7 met?

Answer 14

3/4 PRs < 10% AND 2/2 Turbine 1st stage Press < 10%

Question 15

When is P-7 deactivated?

Answer 15

2/4 PRs > 10% OR 1/2 Turbine 1st stage Pressure > 10%

Question 16

What is the function of P-7?

Answer 16

Permits auto block of Rx Trips due to “at Power” Trips

1. PRZ Press Low
2. PRZ Water Level High
3. RCS Loss of Flow
4. RCP Bus UV
5. RCP Bus UF
6. RCP Breaker Position

Question 17

How is P-7 made up?

Answer 17

Reset of P-10 and actuation of P-13

Question 18

How is P-8 made up?

Answer 18

3/4 PRs = 29%

Question 19

How is P-8 cleared?

Answer 19

2/4 PRs > 29%

Question 20

What does P-8 doe?

Answer 20

Permits auto block of Rx Trips due to single loop low flow trips AND Turbine trip

Question 21

What conditions make up P-10?

Answer 21

2/4 PRs >/= 10%

Question 22

What conditions clears P-10?

Answer 22

3/4 PRs < 10%

Question 23

What does P-10 do?

Answer 23

Permits manual block of:

1. PR High Flux Trip, Low SP
2. IR Trip
3. IR Rod Stop

Also

4. Resets P-7
5. Backup de-energization of SR

Question 24

What conditions make up P-11?

Answer 24

2/3 PRZ Press < 1920#

Question 25

What conditions clear P-11?

Answer 25

2/3 PRZ Press >/= 1910#

Question 26

What does P-11 do?

Answer 26

Permits manual block of SI on low PRZ Pressure

Question 27

What conditions make up P-12?

Answer 27

2/4 Loop Tavg = 541*F

Question 28

What conditions clear P-12?

Answer 28

3/4 Loop Tavg > 541*F

Question 29

What is the function of P-12?

Answer 29

Allows manual block of SI due to low steam line pressure

With High Steam Flow, gives Main Steamline Isolation

Blocks all Steam Dumps

Question 30

What conditions make up P-13?

Answer 30

2/2 Turbine 1st stage pressures < 10%

Question 31

What conditions clear P-13?

Answer 31

1/2 Turbine 1st Stage Pressures > 10%

Question 32

What conditions make up P-14?

Answer 32

2/3 SG NR Levels < 64 % in all 4 SGs

Question 33

What conditions clear P-14?

Answer 33

2/3 SG NR Levels > 678% in at least 1 SG

Question 34

What does P-14 do?

Answer 34

Allows or prevents MFW addition.

To prevent it, FWI initiated and MT and MFPs Trip

Question 35

What is C1?

Answer 35

Auto and Manual Rod stop when 1/2 IR @ 18 %(16%)

Question 36

What is C-2?

Answer 36

Auto and manual rod stop when 1/4 PR at 103%

Question 37

What is C-3?

Answer 37

Auto and Manual Rod stop and initiated Turbine runback when 2/4 OT delta T at 3% < Trip Setpoint

Question 38

What is C-4?

Answer 38

Auto and manual rod stop and initiates turbine runback when 2/4 OP delta T at 3% < trip setpoint

Question 39

What is C-5?

Answer 39

Rods Alive

Auto only rod stop when 1/1 turbine impulse pressure (MPC-253) < 15%

Question 40

What is C-11?

Answer 40

Rods in Heaven

Auto Rod stop only

When Bank D demand is at 229 Steps

Question 41

What is C-20?

Answer 41

2/2 Turbine Impulse Pressure > 40% enables AMSAC