ML20203J823

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Rev 1 to AP-510, Rapid Power Reduction
ML20203J823
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 12/10/1997
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20203J799 List:
References
AP-510, NUDOCS 9712220106
Download: ML20203J823 (19)
v • d • e


Text

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INFORMATION ONLY RPR Ae sio O

RAPID POWER REDUCTION 1.0 [NTJLY CONDITIMI 11 conditions exist which require a rapid power reduction, JE N use this procedure.

L9__lMEDI ATE ACTIONS 891t There are no innediate actions for this procedure.

9 O

V Approved by HNPO

  1. 8 Date /1//0/f/

ig (SIGNATURfONFILE)

AP 510 PAGC 1 of 19 RPR

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O AP-510

.REV 01 PAGE 2 of 19 RPR

l b0 FOLLOW UP_ ACTIONS w-j ACTIONS' DETAILS 3.1 Notify personnel of plant

  • ._. STA conditions.

i e _ Plant operators j

e,_,_ 5500 l

t o.__ Dispatcher l

3.2 Adjust ICS " LOAD RATE" to desired setpoint.

i 6

3.3 Adjust "t".11T LOAD MASTER"

,l demand tu "10".

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3. 4 _ _,,

Maintain Imbalance within e Adjust APSRs-to maintain limits.

limits.

i

~

See OP 103D, Withdrawal limit i

Curves, i

3.5 Maintain MUT level e Cycle appropriate BWST ta MVP valve t 55 in, to raise MUT level:

__ MVV-73 i

HUV-58 3.6

_ Notify Chemistry of 2 15t,'

Rx power change in any-I hour time period.

/~N V

IAP 510 REV PAGE 3 of-19 RPR h

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AP.510 REV 01 PAGE 4 of 19 ppg

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L.D FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.7 11 at any time, a rapid e

OP 204, Power Operations, power reduction is Section 4.2 MI required, M stop power reduction e __ OP 208. Plant Shutdown, and 60 70 the applicable Section 4.1 OP.

e _ OP 203, Plant Startup, Sectico 4.1 3.8 M Rx power is < 80%,

e Notify SP0 to ensure ASV 27 *MS to M ensure MS is AS Control" (119 ft TB by AS Hdr) is supplying AS.

supplying Aux Steam header.

3.9 Jf at any time, FWV-28 is 1

Notify PPO to obtain keys 11, 74

opened, and 75 from Control Room.

E ensure EFIC MFW isolation is properly 2 Notify PPO to select Efl0 MFW

aligned, isolation pump trip key switches to "BOTH":
  • Efl0 CHANNEL A MAIN FW ISOLATION MAIN FW PUMP TRIP" (CRD room, Aux Relay Cab RR3A)

__. "EflC CHANNEL B MAIN FW ISOLATION MAIN FW PUMP TRIP" (B Ef!C room, Aux Relay Cab RR581) 3.10 _

Maintain DFT level between 10 and 13 ft.

O AP 510 REV 01 PAGE $ of 19 RPR

Applicable Carry over steps:

^}

3.7 (V

1[ rapid power reduction is @l required, THEN stop power...

I 3.9 1E FWV-28 is opened, 1118 ensure EFlc MFW isolation...

!U AP 510 REV 01 PAGE 6 of 19 RPR

3.0 FOLLOW-UP ACTIONS (CONT'D)-

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ACTIONS DETAILS 3.11 11 at any time, ICS

[

transfers to tracking i

mode, M reset
  • UNIT LOAD MASTER" demand to "10" to t

resume power decrease.

4 3.12 _., 11'at any time MBVs e Select MBVs to " MAN" and "CLOSE":

[

close, M ensure MBVs remain FWV 30 i

closed.

1 FWV 29 i

,i 3.13 Verify Aux Transformer is not supplying any bus.

\\

J1 Aux Transformer is supplying any busses, M PERFORM Enclosure 1, Shu*down Electrical Lineup.

3,14 M both OTSGs are on low 1

Select Rx Diamond to " MANUAL".

level limits.

E align ICS for 2

Select " REACTOR DEMAND" to shutdown conditions.

" HAND".

1 3

Select "SG/RX DEMAND" to " HAND"

.and lower demand to *0".

4 Select both FW Loop Demands to

" HAND" and lower demand to "0".

"STH GEN A FW DEMAND" "STM GEN B FW DEMAND" O

APsi10 REV 01 PAGE 7 of 19 RPR m-

Applicable Carry over steps:

,iG 3.7 E rapid power reduction is 11Q1 required, THEN stop power...

V 3.9 E FWV 28 is opened, J11G ensure EFIC MFW isolation...

3.11 E ICS transfers to tracking mode,1116 reset "VNIT LOAD MASTER"...

v U}-

f AP 510 REV 01 PAGE 8 of 19 RPR

.,w "T'-

3.0 FOLLOW-UP ACTIONS (CONT!D)

ACTIONS DETAllS 3.15

_ Maintain PZR level.

See OP 103A, Startup Curves. Curve 5 3.16 _, Begin RCS cooldown.

CONCURRENTLY PERFMM E0P 14, 5. E0P (emperature Log (RCS TEMP).

Begin sequential control rod group insertion.

Maintain RCS cooldown rate 5 50'F/% hr.

3.17 __ Notify SP0 to CONCURRENTLY O

PERFORM E0P 14, Enclosure 1, SP0 Post Trip Actions.

3.18 _ M 11 Rx Power is < 12%,

1 Establish manual turbine l!!B trip Main Turbine.

control.

2

_ Establish 50 MWe turbine load (45 to 55).

3 Ensure TBVs are controlling MS Hdr PRES.i.

4 Depress Main Turbine trip push button.

5 Verify TVs and GVs are closed.

O AP 510 REV 01 PAGE 9 of 19 RPR

Applicable Carry over steps:

,7^N 3.7 E rapid power reduction is @l required, THEN stop power...

3,9 E FWV 28 is opened, Di[B ensure EFIC MFW isolation...

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V AP 510 REV 01 PAGE 10 of 19 RPR

-.. -....... ~ ~ - _ -.

l 3.0 FULLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS-I 3.i9

' Ensure Main Generator i

output Bkrs are open.

Bkr 1661 Bkr 1662 i

i 1

if any output Bkr fails to 1 Select affected output Bkr to-

~

open,.

" BACKUP":

M attempt to open output Bkr using backup "BKR 1661 TRIP COIL SELECTOR trip coils.

SWITCH" "BKR 1662 TRIP C0ll SELECTOR SWITCH" 2 Open affected output Bkrs:

4 Bkr 1661 Bkr 1662 3

If output Bkrs are @l open, l

' O.

E notify Dispatcher to separate CR 3 frorp grid.

l t

3.20 _ If CR 3 is separated from Open field Bkr.

the grid.

1 E shutdown Main Select voltage regulator to Generator.

"0FF".

O AP 510:

REV'01-PAGE 11:of 19 RPR

Applicable Carry-over steps:

(~)N 3,7 E rapid power reduction is NOT required, THEN stop power...

K_

3.9 H. FWV-28 is opened, THEN ensure EFIC MFW isolation...

/

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,m; Isj AP-510 REV 01 PAGE 12 of 19 RPR

. _.... - _ _ _ _ _ -.. _ _ _. - _. - - _ _. - -. _ ~ _... _.

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.t 3.0- FOLLOW-UP~ ACTIONS (CONT'D)

-)

ACll0fl.E DETAILS:

3. 21._

Ensure Main-Turbine oil pumps.are running, T8P 8 TBP-2 a

3.22 __

-Ensure AH Hain Turbine drain valves.are open.-

TDV TDV-6 TDV-1 TDV-5

=TDV-3

_ TDV-7

.TDV-4 TDV-9 TDV-10 TDV-8 3.23 Jf this procedure was entered from E0P 6 Steam

-Generator Tube Rupture, lH_Qf EXIT this procedure.

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-AP-510 REV 01 PAGE 13'of 19'

-RPR

Applicable Carry over steps:

~}

3.7 E rap-;d power reduction is NOT required, THEN stop power...

3.9 E FWV-28 is opened, JJiG ensure EFIC MFW isolation...

O t.)

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g wJ AP 510 REV 01 PAGE 14 of 19 RPR

F 3.0 FOLLOW-UP ACTIONS (CONT'D)

)

ACTIONS DETAILS

(

3.24 Align CD System for low 1

Select both CDP-1A and CDP 1B flow operation.

controllers to " HAND" and reduce demand to "0".

2 Ensure only 1 CDP is running.

3 Close CD Htr outlet valves:

CDV-44.

CDV-43 4

Maintain CD system PRESS between 90 and 150 psig.

5 Throttle CDV-242 to maintain DFT level-between 8 and 11 ft.

501t

/"'

The following step will add a 125 psig bias to the TBVs.

N,-]s 3.25 ___ WHEN Rx power lowers to 5'.,

I!!fN trip Rx and GO TO E0P-2, Vital System Status Verification, beginning with step 2,1 4

AP 510 REV 01-PAGE 15 of 19 RPR

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AP 510 REV 01 PAGE 16 of 19 RPR I

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5;0 ENCLOSURE l' $HUTDOWN ELECTRICAL LINEUP-()

= ACTIONS _

DETAILS-1.1-If Bkr 3101 is closed,

.l' Select " AUTO TRANSFER 3103"tto -

I 181H transfer the A 6900V

" MAN".

bus to START UP transformer.

2 Close Bkr 3103 3

Open Bkr 3101-1.2 If Bkr 3201 is closed, 1

Select " AUTO TRANSFER 3203" to 181H transfer the A unit

" MAN".

4160V bus to START UP transformer.

2' Close Bkr 3203 3

Open Bkr 3201 1,3-If Bkr 3207 is closed, 1

Select " SYNC 3211" to "0N".

6ND the_0FFSITE Os transformer is the desired 2

Close-Bkr 3211

source, IHfB transfer the A ES

-3 Open Bkr 3207 4160V to Bus to the OFFSITE transformer.

4 Select " SYNC 3211" to "0FF".

1.4-if Bkr 3207 is closed, 1

Select " SYNC 3205" to "0N".

AtQ the BEST is the l

desired source, 2

Close-Bkr 3205 THEN transfer the A ES 4160V Bus to the BEST.

3-Open Bkr 3207 4

Select " SYNC 3205" to "0FF".

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AP-510 REV 01 PAGE 17 of 19 RPR

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AP-510 REV 01 PAGE 18 of 19 RPR

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5.0 ENCLOSURE _1-5HUTDOWN ELECTRICAL LINEUP (CONT'D)

ACTIONS DETAILS 1.5,__ _ E Bkr 3102 is closed, 1

Select " AUTO TRANSFER 3104" to liiLN transfer the B 6900V

" MAN".

bus to START UP transformer.

2 Close Bkr 3104 3

Open Bkr 3102 1.6 H Bkr 3202 is closed, 1

Select " AUTO TRANSFER 3204" to IliLN transfer the B unit

" MAN".

4160V bus to the START UP transformer.

2 Close Bkr 3204 3

Open Bkr 3202 1.7 E Bkr 3208 is closed, 1

Select " SYNC 3206" to "0N".

AND the BEST is the O

desired source, 2

Close Bkr 3206 V

IllLN transfer the B ES 4160V-Bus to the BEST.

"3 Open Bkr 3208 4 _ Select " SYNC 3206" to "0FF".

1.8 H Bkr 3208 is closed, 1

Select " SYNC 3212" to "0N".

A@ the 0FFSITE transformer is the desired 2

Close Bkr 3212

source, lHLN transfer the B ES 3 _ Open Bkr 3208 4160V to Bus to the OFFSITE transformer.

4 Select " SYNC 3212" to "0FF".

O AP-510 REV 01 PAGE 19 of 19 (LAST PAGE)

RPR

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