ML23241A621

7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.7-6, Drawing 495890, Rev. 2, Sheet 1, Electrical Functional Logic Diagram Digital Feedwater Control System FW Flow Controller & Cv Demand

ML23241A621
Person / Time
Site:	Diablo Canyon
Issue date:	05/25/2023
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML23241A052	List: DCL-23-044, 7 to Updated Final Safety Analysis Report, Chapter 9, Figure 9.4-10, Drawing 512904, Revision 15, Mechanical Air Monitoring Technical Support Center and Post-Accident Sampling System Air Flow Diagrams ML23241A053 ML23241A054 ML23241A055 ML23241A056 ML23241A057 ML23241A058 ML23241A059 ML23241A060 ML23241A061 ML23241A062 ML23241A063 ML23241A064 ML23241A065 ML23241A066 ML23241A067 ML23241A068 ML23241A069 ML23241A070 ML23241A071 ML23241A072 ML23241A073 ML23241A074 ML23241A075 ML23241A076 ML23241A077 ML23241A078 ML23241A079 ML23241A080 ML23241A081 ML23241A082 ML23241A083 ML23241A084 ML23241A085 ML23241A086 ML23241A087 ML23241A088 ML23241A089 ML23241A090 ML23241A091 ML23241A092 ML23241A093 ML23241A094 ML23241A095 ML23241A096 ML23241A097 ML23241A098 ML23241A099 ML23241A100 ML23241A101 ... further results
References
DCL-23-044
Download: ML23241A621 (1)

Text

1"'*

FROM I NPU T SIGNAL VALIDATION

!SHEET 18)

~

--~

-~

STEAM F LOW ~

I ' '

LOOP STEAM FLOW

~

i------,----~l) }-------,-*

LOOP FEEDWATER FLOW 6

(CONSTANT)

NO - LOAD LOOP WIDE RANGE LEVEL SET PO I NT LOOP WR S, G LE VEL BAD QUAL ITY HIGH, LOW POWER MODE SELECT ADFCS MANUAL

( SHEET 20 I TO FEEDWATER FLOW ARBITRATE (SHEET 18)

DEMANDED TOT AL FLOW COEFFICENT

- ~

Cm

---

-~1-c-;~;;; L VA L ~~ SEQUENCING

[

ANO TRACK IN G LOGIC

,,,c 9 L-----~-

i t,PE L

( CONSTANT l w,wo1 r---

FEEDWATER FLOW DEMAND TRACKING SIGNAL

( SHEET 20 )

AVERAGE LOOP STEAM PRESSURE

!SHEET 18 )

NOTES:

I. ONELOOPSHO,,,'N, TYPICAL FOR ALL LOOPS.

2. HIGH PO,iER MOOE INDICATION IS PROVIDED FOR EACH LOOP.

LOWPO',IERMOOE !NOICAT!ON ISPROV!DEOFOREACH LOOP.

3. BOARD INDICATION IS FROM A DFWCS OUTPUT. ALL OTHER RECORDER VALUES AND INDJCAT IONONTHJSORAW!NGAREPROV!OEDONTHEOFWCSHM I.

4. oo*i. Po*R TRAHS !Ei.T IS TRUE FOR LOSS OF (\IP, LOSS OF FIIP, OVER POWEA10VEA TEMP DELTA T AUH~An, STATOR COOLll1G AUH~ACk, OR ST[AMPRESSUAE l11CAEASl11G OUIULY (].[, RAP ID LOAD DECAEAS[I, RESETSFOLLOillHGATIMEOELAYAFTERSTEAMPRESSURERATEOFCHAHGE HAS DECREASED ~ELD\/ THE THRESHOLD VALUE.

5. REFERTOTHEOFWCSFUNCT IONALREOUIREMENTDOCUMENTDRAWING663195-27 FOR LOGIC DESCRIPTION.

6. SHEETNUMBERSREFERTOTHEREFERENCENUMBERSBELOW.

~

REFERENCES (NOTE 6 1

'* FUNCTIONALLOGICDIAGRAMINDEXANDSYMBOLS

2. FUNCTIONALLOGICDIAGRAMREACTORTRIPSIGNALS l. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTRANDMANUALTRJPSJGNALS FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISS JVESANDBLOCKS FUNCTIONALLOGICDIAGRAMPRIMARYCOOLANTSYSTEMTRIPSIGNALS

6. FUNC TIONALLOGICD!AGRAMPRESSUR IZERTR IPS IGNALS

1. FUNCTIONALLOGICDJAGRAMSTEAMGENERATOR TR IP SIGNALS

8. FUNC TIONALLOGICDIAGRAMSAFEGUAROSACTUAT IONS IGNALS

9. FUNC TIONALLOGICD!AGRAMROOCONTROLSANDROOBLOCKS

,o. FUNC TIONAL LOGIC DIAGRAMSTEAMDUW CONTROL

"* FUNCTIONALLOGICOIAGRAMPRESSURIZERPRESSUREANOLEVELCONlROL

'2. FUNCTIONALLOGICDIAGRAMPRESSURIZERHEATERCONTROL

,i. FUNCTIONALLOGICDIAGRAMFEEDWATERCONTROLAND ISOLAT I ON FUNC TIONAL LOGIC DIAGRAM FEEDWATER cmnROL AND ISOLATION

,s. FUNC TIONALLOGICDIAGRAMAUXILIARYFEEOWATERPUMPSSTARTUP FUNC TIONALLOGICDIAGRAMTURBINETRIPS. RUNBACKS&SIGNALS FUNC TIONALLOGICD!AGRAMAMSACS IGNALS

,a. FUNCTIONALLOGICDJAGRAMSEISM!C TRIP

,s. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW COtH SYS INPUT SIGf!AL VALIDATION 20. FUNC TIONALLOGICDJAGRAMD IGlTALFWCONTSYSFWFLOWCONTROLLER&CvDEMAND 2'. FUNCTIONALLOGICDJAGRAMDIGJTALFWCONTSYSCONTVCVSEOt>..TRACKINGLOGIC

22. FUNC TIONALLOGICDIAGRAMDIGITALFWCONTSYSSIGNALSELECTORLOGIC 2l. DRAWING INOEXSOLIDSTA TEPROTEC TIONSYS JNTERCOflN[CTION&SCHEM. DIAGRAM KE Y DWG. SECT I0N_3 _

UNIT 2 WE DWG PG&E OWG 5653D74 - I 49587 I 5653D74-2 495872 5653074-3 495873 5653D74-4 495874 L

5653D74 -5 495875 5653074 -6 495876 11 5653074 - 7 495877 5653D74-8 495878 5653074 -9 495879 5653D74-I O 495880 5653074-1 1 495881

,,.l 5653074-12 495882 5653D74-13 495883 5653074-14 495884 5653074-15 495885 5653074-16 495886 5653074 - 17 495887 8759077 495888 5653D74-18 495889 5653074-19 495890 5653074-20 495891 5653D74-21 495892 1080442-1 458862