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ILT Review Often > P's and C's > Flashcards

P's and C's Flashcards

1
Q

What is C-1

A

IR Rod Stop 1/2 IRNI > 18% (16%)

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2
Q

What is C-2

A

PR Rod Stop 1/4 PRNI >103%

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3
Q

What is C-3

A

OT Delta T Rod Stop 2/4 PRNI 3% < trip Setpoint

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4
Q

What is C-4

A

OP delta T Rod Stop 2/4 PRNI 3% < trip setpoint

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5
Q

What is C-5

A

Turbine Power Interlock MPC-253 < 15%

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6
Q

What is C-7A?

A

Load rejection bistable. 10% step change or sustained ramp decrease of a given magnitude for a long enough time period

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7
Q

What is C-7B?

A

Load rejection bistable 30% step change. From turbine impulse pressure MPC-254. Arms steam dump valves for load rejection operation

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8
Q

What is C-11

A

Control Bank D Rod Stop CBD @ 229 steps (cycle dependent)

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9
Q

What is C-20?

A

2/2 Turbine impulse pressures (MPC-253 and 254) greater than 40% equivalent power “enables” AMSAC

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10
Q

What does C-1, IR Rod Stop do and when can it be blocked?

A

Stops Auto and Manual Rod Withdrawl Blocked when IR range High Flux Trip is blocked (P-10) Auto unblocked

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11
Q

What does C-2, PR Rod Stop do and when can it be blocked?

A

Stops outward rod motion in Auto and Manual Blocked when Rod Stop Bypass selected to alarming channel

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12
Q

What does C-3, OT delta T Rod Stop do and when can it be blocked?

A

Stops outward rod motion in Auto and Manual Cannot be blocked

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13
Q

What does C-4, OP delta T Rod Stop do and when can it be blocked?

A

Stops outward rod motion in Auto and Manual Cannot be blocked

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14
Q

What does C-5, Turbine Power Interlock do and when can it be blocked?

A

Stops outward rod motion in AUTO only Cannot be blocked

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15
Q

What does C-11, Control Bank D Rod Stop do and when can it be blocked?

A

Stops outward motion in AUTO only Cannot be blocked

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16
Q

Which permissives are there really no status lights for?

A

P-4 and P-14

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17
Q

What condition will make the P-4 Status Light ON?

A

Both Rx Trip Breaker A and Bypass Breaker A open OR Both Rx Trip Breaker B and Bypass Breaker B open

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18
Q

What is the function of the P-4 Status Light being on?

A

Combines w Low Tavg to give FWI

Seals in FWI from SI or Hi-Hi SG Level

Permits manual block of all automatic SI signals

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19
Q

What condition will make the P4 Status Light OFF?

A

Either the Rx Trip or Bypass breaker is racked in and closed

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20
Q

What is the function of the P-4 Status Light being off?

A

Prevents or defeats manual block of SI

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21
Q

What condition will make the P-6 Status light ON?

A

Any IR NI ≥ 10-10 amps and rising

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22
Q

What is the function of the P-6 Status light being On?

A

Permits manual block of the SR High Flux Trip

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23
Q

What condition will make the P-6 Status light OFF

A

Both IR NI channels < 6 x 10-11 amps and lowering

24
Q

What is the function of the P-6 status light being Off?

A

Prevents or defeats the manual block of the SR High Flux Trip

25
Q

What condition will make the P-7 Status light ON?

A

3/4 PRs < 10% AND 2/2 Turbine 1st Stage pressures <10% equivalent power

26
Q

What is the function of the P-7 Status light being On?

A

Permits automatic block of Rx trips due to the “at-power” trips

27
Q

What condition will make the P-7 Status light OFF?

A

2/4 PRs > 10% OR 1/2 Turbine 1st stage pressures >10% equivalent power

28
Q

What is the function of the P-7 status light being Off?

A

Prevents or defeats the automatic block of Rx trips due to the “at-power” trips w exception of turbine trip

29
Q

What can happen that meets P-7?

A

Reset of P-10 and actuation of P-13

30
Q

What condition will make the P-8 Status Light ON?

A

3/4 PRs less than or equal to 29%

31
Q

What is the function of the P-8 Status light being ON?

A

Permits the automatic block of Rx trips due to single loop low flow trips and turbine trip

32
Q

What condition will make the P-8 Status Light OFF?

A

2/4 PRs > 29%

33
Q

What is the function of the P-8 Status light being OFF?

A

Prevents or defeats the automatic block of a Rx trip due to a single loop low flow trip and turbine trip

34
Q

What condition will make the P-10 Status light on?

A

2/4 PRs greater than or equal to 10%

35
Q

What is the function of the P-10 Status light being on?

A

Permits the manual block of: 1. PR High Flux Trip, Low Setpoint 2. IR Trip 3. IR Rod Stop Also: 4. Resets P-7 5. Backup deenergization of SR

36
Q

What condition will make the P-10 Status light OFF?

A

3/4 PRs < 10%

37
Q

What is the function of the P-10 Status light being OFF?

A

Prevents or defeats the manual block of: 1. PR High Flux Trip, Low Setpoit 2. IR Trip 3. IR Rod Stop Also: 4. Inputs into P-7

38
Q

What does P-10 do?

A

De-Energizes Source Ranges

39
Q

What condition will make the P-11 Status light on?

A

2/3 PRZ pressure < 1910 #

40
Q

What is the function of the P-11 Status light being on?

A

Permits manual block of SI actuation on low pressurizer pressure

41
Q

What condition will make the P-11 Status light off?

A

2/3 PRZ pressure greater than or equal to 1910 #

42
Q

What is the function of the P-11 Status light being off?

A

Prevents or defeats manual block of SI actuation on low pressurizer pressure

43
Q

What condition will make the P-12 Status light on?

A

2/4 Loops less than or equal to 541*F

44
Q

What is the function of the P-12 Status light being on?

A
  1. Allows manual block of SI due to Low Steam Line Pressure 2. Coincident w High Steam Flow, will give MSI 3. Blocks all Steam Dump Valves
45
Q

What condition will make the P-12 Status light off?

A

3/4 Loop Tavgs > 541*F

46
Q

What is the function of the P-12 Status light being off?

A

Prevents or defeats manual block of SI due to low steam line pressure

47
Q

What condition will make the P-13 Status light on?

A

2/2 Turbine 1st stage pressures <10% equivalent

48
Q

What is the function of the P-13 Status light being on?

A

Input to P-7

49
Q

What condition will make the P-13 Status light off?

A

1/2 Turbine 1st Stage pressures > 10%

50
Q

What is the function of the P-13 Status light being off?

A

Input to P-7

51
Q

What condition will make the P-14 Status light on?

A

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

52
Q

What is the function of the P-14 Status light being on?

A

Allows main feed water addition to SGs

53
Q

What condition will make the P-14 Status light off?

A

2/3 SG NR levels > 67% in at least 1 SG

54
Q

What is the function of the P-14 Status light being off?

A

Prevents Main Feedwater addtion to the SGs by initiating a FWI and tripping both MFP turbines and the main turbine

55
Q

Which Permissives are normally lit at 100% Power?

A

P6 and P10

ILT Review Often (23 decks)

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