ML20199C055

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Rev 11 to AP-660, Turbine Trip
ML20199C055
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 01/22/1998
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20199C044 List:
References
AP-660, NUDOCS 9801290086
Download: ML20199C055 (17)
v • d • e


Text

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l TT REV 11 (MC)

AP 660 0

TURBINE TRIP 1.0._.. ENTRY.. CONDITIONS INFOR VIATION it Rx power is < 4ss, mfd either of the following:

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Turbine trip *,as occurred Turbine trip should have occurred 111[8 use this procedure.

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2.0 1 MEDIATE ACTIONS ACTIONS DETAILS 2.1 Depress Main Turbine trip i

push button.

2.2 Verify TVs and GVs are closed.

If any TV, 1 Close All MSIVs:

MD any GV are fiQI closed, JEEN close all MSIVs and

~ MSV.412 trip the Rx.

MSV-413 MSV 414 l

MSV-411 2

Depress Rx trip push button and GO TO E0P 02, Vital System O

Status Verification, beginning with step 2.1 2.3 Stabilize RCS PRESS.

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LAP 660.

REV 11:-

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AP 660 REV 11 PAGE 4'of 17 TT e

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3.0 FOLLOW-UP ACTIONS ACTIONS DETAllS 3.1 Notify personnel of plant e

STA conditions.

Plant Operators i

o 5S00 (evaluate plant conditions for entry into the Emergency Plan) 3.2 Ensure ICS runback in progress.

3.3 Ensure MS Hdr PRESS controlled between 870 and 900 psig by TBVs or ADVs.

OG 3.4 Ensure Main Generator output Bkrs are open.

Bkr 1661 Bkr.1662 1

lE any output skr fails to 1 Select affected output Bkr to

open,
  • BACKUP":

IllB attempt to open output Bkr using backup "BKR 1661 TRIP C0ll SELECTOR trip coils.

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

.__ Bkr 1661 L

Bkr 1662 3

If output Bkrs t.re liQI open, p

JEG notify System Dispatcher to g

separate CR-3 from grid.

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ACTIONS DETAILS-l i

3.5 E CR-3 is separated from e

Open field Bkr.

the grid, Ilife shutdown Main Select voltage regulator to Generator.

  • 0FF".

3.6 Ensure plant conditions e

RCS PRESS

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stabilize, e

OTSGs on LLL

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o Steaming rate within capacity of TBVs or ADVs o

Tm 1

3.7 Maintain PZR level.

O See OP-103A, Startup Curves, Curve 5 3.8 Notify SP0 to perform post 1

Close HVV-103 "Decerator Vent trip DFT line up.

Iso" (162 ft TB by DFT).

2 Close HDV-47 "5A Heater to Deaerator Level Control Iso" (162 ft TB by DFT).

3 Close HDV-48 "5B Heater to Deaerator Level Control Iso"

-(162 ft TB by DFT).

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AP-660' REV 11 PAGE 8 of 17 TT l

e L D F0LLOW UP ACTIONS (CONT'0)

ACTIONS

, DETAILS 3.9 Ensure Main Turbine drain e Notify SP0 to perform the following isolation valves are open.

(119 ft TB under HP turbine):

Open TDV-104 "TDV-5 Iso"

__ Open TDV 105 "TDV 10 Iso" f

3.10 Ensure Main Turbine oil i

pumps are running.

TBP-8 TBP-2 3.11 Ensure MSR high PRESS bundle isolatior. valves MSV-29 are closed.

MSV-30 MSV-31 MSV-32 3.12 Ensure Main Turbine drain valves are open.

TDV-2 TDV 6 TDV-1 TDV-5

-TDV-3 TDV-7 TDV-4 TDV-9 TDV-10 TDV-8 AP-660;-

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ACTIONS DETAILS l

3.13 ___ Notify Chemistry of 215%

Rx power change in any 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> time period.

t 3.14 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 4

90 and 250 psig.

()

5 Throttle CDV-242 to maintain DFT 4

level between 8 and 11 ft.

3

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i LR F0LLOW UP ACTIONS (CONT'D) i ACTIONS DETAILS 3.15 If MFW is feeding both 1 _ Notify PPO to obtain keys 11, 74

01SGs, and 75 from Control Room.

J11[B align MFW for reduced flow operation.

2 Notify PPO to select EFIC MFW isolation pump trip key switches to "BOTH":

i "EFIC CHANNEL A MAIN FW ISOLATION MAIN FW POMP TRIP" (CRD room, Aux Relay Cab RR3A)

"EFIC CHANNEL B MAIN FW ISOLATION MAIN FW PUMP TRIP" (B FFIC room, Aux Relay Cab RR5BI) 3,_ M EFIC MFW isolation pump trip key switches are selected to "BOTH",

E ensure FWV-28 is open.

4 Ensure one MFWP is tripped:

._ FWP-2A FWP 28 5 Open valves associated with tripped MFWP:

FWP-2A FWP-28 FWV 18 FWV-19 TDV 26 TDV 23 TDV-16 TDV-30.

TDV-32 TOV-33 O

AP 660 REV-11 PAGE 13 of 17 -

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LA [QLLOW UP ALTIONS (CONT'D)

L ACTIONS DETAILS 3.16 _, Isolate MSR high PRESS and

  • Notify SP0 to select "CLOSE" on LP bundle vents to FWHEs.

HDCP-1 "MSR REHEATER DRAINS CONTROL PANEL" (119 ft TB) for the following valves:

r HDV 539 HDV 540 HDV 543

_ HDV-544 HDV 547

,_ HuV 548 HDV-551 HDV-552 3.17 __, Isolate MSR high PRESS e Notify SP0 to close MSR high PRESS drain tank drains to drain tank drains to FWHEs:

FWHEs.

HDV 1 "A MSR HP Drain Tank to FWHE 3A Control Iso" (119 ft TB above FWHE-3A)

HDV 3 "B MSR HP Drain Tank to FWHE-3A Control Iso" (119 ft TB above FWHE-3A)

HDV-5 "C MSR HP Drain Tank to FWHE-38 Control Iso" (119 ft TB above FWHE-3B)

HDV-7 "D MSR HP Drain Tank to FWHE-38 Control Iso" (119 ft TB above FWHE-38)

OV AP 660 a

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Lj F0Lt0W UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.18 E at any time, the "TUR8 1

Ensure 18M 1 in "AUT0",

f Al ZERO SPEED" alarm is

actuated,

'2 Ensure 78P 6 is running.

l M ensure Main Turbine goes on the Turning Gear.

3 E Turning Geer does @l Auto

engage, E select TBM 1 to " MAN" and 4

notify SP0 to engage Turning Gear.

3.19 E turbine was tripped due to exceeding condenser vacuum limits, M notify Systems Engineering to evaluate per vendor instructions.

3.20 E plant shutdown is

required, M GO TO OP-208. Plant Shutdown, beginning with Step 3.2 E plant shutdown is El
required, M 60 TO OP-203, Plant Startup, beginning with Step 3.2 4

0

-AP 660

.REV ll.

PAGE 17 of 17 (LAST PAGE)

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