ML23241A548

From kanterella
Jump to navigation Jump to search
7 to Updated Final Safety Analysis Report, Chapter 5, Figure 5.5-13, Drawing 500825, Sheet 1, Rev. 27, I & C Function Diagram Rector - Turbine - Generator Protection
ML23241A548
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 05/25/2023
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23241A052 List: ... further results
References
DCL-23-044
Download: ML23241A548 (1)
v • d • e


Text

e s 0 0 0 0 1 sisoos i! 2 3 i! 4 5 7 8 i! 9 10 REACTOR, TURBINE & GENERATOR TRIPS I REACTOR '

TURBINE '

GENERATOR I

' I GENERATOR TRIP I NO. FUNCTION DEVICE REMARKS NO.

/MAIN, 31 G IR HI NEUTRON FLUX RATE POSITIVE 2 OUT OF 4 OF ANY COMBINATION OF POS TURBINE >----+---------------+---,RATE TRIP NOT FROM THE SAME CHANNEL 124RI TURBINE TRIP/TRAIN B AUTO S T O P > - - - - - - - ~

TRAIN "B" INPUTS OIL 3R HI NEUTRON FLUX POWER RANGE HIGH SET POINT - 2 OUT OF 4 SIMILAR TO TRAIN 'sPREss/ BOTH 5DDKV 4R HI NEUTRON FLUX POWER RANGE LOW SET POINT - 2 OUT OF 4 "A" INPUTS FROM GENERATOR LOSS OF FIELD BKRS OPEN 1----------+i HIGH IR IR TO 23R, 25R 5R HI NEUTRON FLUX INTERMEDIATE RANGE I OUT OF 2 F I ELD u~I-----'

NEUTRON AND PERMISSIVES 6R HI NEUTRON FLUX SOURCE RANGE I OUT OF 2 FLUX RATE 29G BKR CLOSED POSITIVE f---------------~

-"' LOW IT GEN.

REVERSE f-----+--+-t--,

25KV MOT.

OPER SW -

9R STEAM GENERATOR LOW-LOW WTR LEVEL IOR PRESSURIZER HIGH WATER LEVEL 2 OUT OF 3 PER LOOP I OUT OF 4 LOOPS 2 OUT OF 3 WITH P-7 INTERLOCK

' CLOSED r -#1-------J-+--------+l CL BEARING 1 POWER E OIL I IR PRESSURIZER LOW PRESSURE 2 OUT OF 4 WITH P-7 INTERLOCK 2T PRSSURE 12R PRESSURIZER HIGH PRESSURE 2 OUT OF 4 26G 30 SEC.

THRusr' 13R OVER TEMPERATURE 6T 2 OUT OF 4

, BEAR ING f-----ff,1----+--+--------t GEN.

ANTI- 7' f...- 14R OVER POWER 6 T 2 OUT OF 4 FOLD

/ H[GH __

NEUTRON JR FAILURE

_________ MOTORING TRIP

/

__,, I 1-1~5Rct'-P~R~ES~S~U~R~IZ~E~R~LO~W~L~OW'-=cP~R~ES"'S~U~R~E--+-----t~2_0~U~T_O~F~4~M~AN~U~A~L~B~LO~C~K~IN~T~LK~W~IT~H~P~-~l~I--l ,,,,

FLUX P O W E R ' - - - - - - - - - - - - - - - - - - i RANGE I 5DDKV _j 16R HIGH CONTAINMENT PRESSURE 2 OUT OF 4 HIGH SET BKR CLOSED POINT 4T -

,,.---.,_4R IBR LOW STEAM LINE PRESSURE 2 OUT OF 3 IN ANY STEAM LINE MANUAL BLOCK

/ HIGH NEUTRON ,..-----.__ 3 4 G INTLK WITH P-11 MECHANICAL ' - - - - - - - f f , 1 - - - - + - - + - - - - - - - - . . J OVERSPEED r LO-LO FLUX POWER)-------;;=:::;--r7 RANGE LOW SET POINT -

X ,~'"\----'

t--~ BRG OIL f-----+---+-f---

PRESS

( EH) 20R REACTOR COOLANT PP BUS UNDERVOLTAGE 21R REACTOR COOLANT PP BUS UNDERFREQ 1/2 PER BUS AND 2/2 SUSSES WITH P-7 INTERLOCK 2/3 PER BUS WITH P-7 INTERLOCK 22R REACTOR COOLANT PP BREAKER TRIP 2/4 TRIP WITH P-7 INTERLOCK IP- I Of------<

,..-------- I 2T 23R REACTOR COOLANT LOW FLOW 2/3 TRIP WITH P-7 INTERLOCK HIGH 5R - l""'-/L~J---,1-----.1 ' TRIP 1/4 TRIP WITH P-8 INTERLOCK IA TRAIN 11 A 11 f-NEUTRON FLUX \ _______ _"::=::'_---1_ _j AMSAC SYS r---------j---~ "'

<(

,..-----.__ I G GEN,

> UNIT AUXILIARY

~~TRANS. BREAKERS 24R TURBINE TRIP 2/3 AUTO STOP OIL PRESSURE OR INTERME- ,-

~IA~~

0 N LOSS "'

0 2-12KV BKRS 4/4 STOP VALVES CLOSED

,HANG~. OF GEN~G >- 5-.11. 16KV BKRS KOJll,KOJIZ 2 OUT OF 3 PER AXIS REACTOR TRIP

~-----~----'-~-----'--+----i~ FIELD NEUTRAL \ - - - - - V , <( 25R SEISMIC TRIP KOJIJ

_J HIGH 6R 51S GT

"'>' START-UP o,v.

f---~~~~~~~.::;----t-7

' 1---->-I "' a:

26R CONTAINMENT HI RADIATION REI l,REl2 AIR PARTICLE OR GAS MONITOR NEUTRON -co OR TRAIN 11 A 11 "' - BOTH 500KV~---t-__J f-IT LOW BEARING OIL PRESSURE TRIPS IF BEARING OIL DROPS BELOW PRESET VALUE FLUX ) - - - - - - ; : : : : = ; - - - ; - - 7 STEAM GEN .f------'-="'-----'-'---j---~  :: - ,4G BKRS OPEN 1  :::, TRIPS IN CASE OF EXCESSIVE WEAR OF SOURCE ANGE/ -ix,~'"\---' t--~

z SHUNT TRIP COIL HI-HI LEVEL

3r 0

z w

6 ~

REHEAT STOP VALVES (6)

<(

z GEN.

START-UPI--~

o.v. MAIN 5G 0

u 0

2T THRUST BEARING FAILURE 3T TURB SPEED 111, 5%, LOW VAC, LOW BRG cSV037 DEH OUTPUT THE THRUST BEARING SHOES

<(

a: TURBINE U'l TRANS. _J OIL PRESS OR DEH DC BUS TRIP f- SPEED I I l.5X, C:,.

0 <(

a: S.P. 6G 4T MECHANICAL OVERSPEED TR IPS WHEN UN IT REACHES A SPEED OF I I0%

D P-10 LOW VACUUM, _ a_ f-

>- LOW BEARING r-+------1 ac 0c- f---,'ff--"-----!MA IN STEAM 27G GEN, a: 6T SIS OR STEAM GEN, HI-HI LEVEL K621 p 6 TRIP OIL PRESS, OR t- u, STOP I-- DIFF. f-REACTOR DC BUS TRIP

( DEHl 8 EXCITER INITIATE lT TURB SPEED 111, 5%, LOW VAC, LOW BRG cSV I 7 I DEH OUTPUT

,, TRIP 0

e--

VALVES (4)

OVERCURRENTf--------1,,.-----,,, _ _ _ _ ___:::=::::::.___ _J f- AUTO-TRANSFER OIL PRESS OR DEH DC BUS TRIP BYPASS => V, TRIP ,..---._ 2 BG }- z 12KV BUS D & E

<( 0  :::,

BREAKER z

_J OVER 7G 4. 16KV BUS D, 9T LOW AUTO STOP OIL PRESSURE PS22 2/3 TURB AUTO STOP OIL TRIPPED PRESS SW II All u EXCI- E,F,G&H IIA11 <(

a:  :':

<(

i---M--1 f----ff,1---->-I INTERCEPTOR VALVES 161 V,

. _.--._9G TATION TRIP UNIT OVERALL 1--------+I IOT TURBINE OVERSPEED I IT TURBINE OVERSPEED 103%

cSV04 I DEH OUTPUT cSV042 EH OUTPUT f- > DIFF. BG

"'0 > / 500KV r-,,i' 12T AMSAC SYSTEM KIOIA 3/4 STM GEN LO LVL COINCIDENT W/ TURB POWER )401/4

,;.ANUAi:" 0 PCB I/ 500KV TURBINE I - - - - - - - - + - + - - _ . ~ CL BltR FAILUREf--------,¥--1-, LINE 13T AMS AC SYSTEM KIO IB 3/4 STM GEN LO LVL COINCIDENT W/ TURB POWER )401/4 TRIP f-----H,1--+-->-1 GOVERNOR ~ --------- I OG / L/ \_DIFF.

/STEAM 9R UN ERVOLTAGE CONTROL (J")

SW.532

/ 50DKV IG GENERATOR LOSS OF FIELD 40GI

'GENERA TOR LOW-LOW f - - - - - - - - - - - - - - - - - + I TRIP COIL REACTOR TRIP - a_ ---~VALVES (4) z w

IIG LINE C H . A l - - - - - - - + !

TRIP 2G LOW AUTO STOP OIL PRESSURE 63AST3, AUTO STOP OIL PRESS.& TURB. STOP VALVES 4 & 5 CLOSED SIGNALS FED INTO SSPS-OUTPUT K635 WATER REACTOR LEVEL TRIP BREAKER h'ff--"--1 TR IP TURBINE SPEED I I l.5X, ~ "'e-- ,n a: ......-i,,----,

/,-,a-, v' RELAY r-,,i _.--._ I 2 G 3G GEN. NEUTRAL START-UP 0. V. 59NSTG I

..-i'-.__/

- BREAKER LOW VACUUM, ~ --+---I >- >- LOIi ,2G PCB I/. AUX.

IIAII IIA11 LOW BEARING OIL PRESS'- OR I U'l

<t u

z BltR FAILURE}--------,+'-!-" TRANS.

4G GEN. START-UP OVERVOLTAGE 59STIGI RESS- I OR DC BUS T~IP , w AUTO-STOP f-SW.632 / L_..-' N0.11&12 5G MAIN TRANSF SUDDEN PRESSURE 63MTI URIZER !DEHl o N

C> OIL DIFF.

HIGH WATER z "'w ~ESS!JlE 1/l 6G GENERATOR DIFFERENTIAL 87GI F Lll LEVEL/ - <(

a:

"w UNIT'\ MANUAL TRIP JG UNIT OVERALL DIFFERENTIAL f--+---------------+---+--------------------i 87UI _,_,_,_,_

SHUNT TRIP a_

f- > 0 ,..-------- I 3 G EMERGENCY 500KV BG 500KV TIE LINE DIFFERENTIAL SET A 587-IA IP 7 COIL

"' c-u, TRIP GENERATOR 0 UNIT'\ BREAKERS 500KV BREAKER FAILURE 50/562BFX2 PCB SWITCH N0.532

'\I IR \ TRAIN "A" CONTROL ROD 0 START-UPf-;===::::;---,-7 9G TIMING AUX. RELAY -531 PRESSUR IZEli LOW 1---o- DRIVE MECHANISM 53 CONTROL RODS z

w z

-co O. C. BOTH 500KV,__4-_ _i--,,-----,--------a~ 594L-IA

~ <(

BKRS OPEN 33G IOG 500KV LINE CH.A TRIPPING RELAYS 594L-IB

.co PRESSURE 0 1

"'a_' "'0 _.-----I BG 500KV 594L-ID 13R z LINE OVERTEMPt-------------i SHUNT TRIP COIL "

z

--->-I "'

f-

<(

a:

LOW AUTO-STOPf--------4--7 DI FF, IIG 500KV BREAKER FAILURE TIMING AUX. RELAY 550/561BFX2 PCB SWITCH N0.632

-632 12R 6T --------- I 3 T f- OIL C <( PRESS. 1-------------+I 12G AUX TRANSF *11&12 DIFFERENTIAL JATll,&11 a: AMSAC TRAIN "8"

'ESSUR IZ~ '---___,, f-SYS _.--._ I BG 13G UNIT START-UP OVERCURRENT 51STUI HIGH f-----------------1 TRIP TURB. UNIT I 5G PRESSURE REACTOR THRUST OVERALL 14G GENERATOR OVERVOLTAGE 59GI TRIP BEARING f - ~ DI FF. > - - - - - - - - + <

14R TRAIN 8 11 REACTOR TR IP 15G UNIT OVERALL DIFF, HARMONIC 87UHI OVER- BYPASS 11 FAILUR 16G HARMON~

BREAKER 16G AUX TRANSF

  • I I&12 SUDDEN PRESSURE ,3AT 11, &11 25R POWER 6T 11s11 II BIi -- AUX.

TRANS. "'"'

a, TRIP 17G AUX TRANSF *11&12 OVERCURRENT IATll,&12 SIS GT NO. 11&12 GENERATOR IBG TURBINE THRUST BEARING FAILURE PS28 OR TRAIN"B 11 o~ S.P.

"'u FIELD LOW AUTO STOP OIL PRESSURE PS21 SEISMIC f-----------------+I STEAM GEN. 0 ~ f-+--f-----ff,1-----, " --------- I 7 G TRIP HI-HI z, AUX.

> 19G GEN. NEUTRAL RUNNING OVERVOLTAGE 59NGI 9T WO TRANS w 15R LOW ' \ LEVEL 6~ NO. I l&i 12 0 20 G 500KV BREAKER FAILURE 550/562BFXI PCB SWITCH N0. 532 UN ERVOLTAGE AUTO STOP U'l ---~ZOG o.c. _.--._I 4G >-

TIMING AUX. RELAY -532 PRESSURIZE~ TRIP COIL 0 IL f - - - - - - - - - + I C:,. ~ 500KV -X / <(

LOW LOW >-----~ REACTOR TRIP REACTOR PRESSURE er~ PCB /. GEN

  • _J 21 G 500KV BREAKER FAILURE 5501562 BFXI PCB SWITCH NO. 632 I6R PRESSURE

..----+----.1'-.J)---+

TRIP BREAKER /--IH---i TR I P 2/3 I-~

"'f-BKR FAILUREf--------,¥--1-,

SW. 532 _.----.__ I OG 1 _./

OVER-zoL TAGE "'

TIMING AUX. RELAY -632 HIGH 11911 ..-1,_,,I BREAKER II BIi >- 500KV f-

, 22G GEN. STATOR COOLING TRIP GEN. STATOR CLG WATER, HIGH CONDUCT.,

CONTAINMENT f - - - - - - - - ~ MANUAL u LI NE CH. A1-------+I 0 VERY LOW WATER LEVEL & LOW WATER FLOW 18 R RE ACTOR 1------- z ,..-----:::21 G TRIP 23G GENERA TOR BACK -UP TR IP 21 GI PRESSURE SIS GT w u"'

'---___,, / LOW '\ TRIP OR O u C, 500KV RELA y / -X 0 21G GENERATOR UNDERFREOUENCY BIGI STEAM STEAM GEN TRAIN"B" a..

- o f-t--f----~/ff----------+1 w "' PCB /' _J LINE SHUNT TRIP IOT HI-HI LEVEL

~'.:::

~~

w BKR FAILUREf--------,¥-+i-J SW.632 / _,/ / 19G a_ 25G GENERATOR NEGATIVE SEQUENCE 46G I PRESSURE J COIL / J GEN. a: 26G GEN. ANTI-MOTORING TRIP PS30 STEAM IMPULSE PRESSURE MANUAL TURBINE ~~ 0

"'f-z NEUTRAL f-----1 f-27G EXCITER OVERCURRENT TRIP 51EI SAFETY INJEC-TION OVERSPEED f - - - - - - - - - + i

<D EH l a_ _

er ";

e-- >

0 u

RUNNING o.v.

f-z:::,

r2_87Gf-O_V_ER_E_X_C_IT_A_T_I_ON_T_R_IP_ _ _ _ _-+O_X_P_2_/_K73_5_S_E_C_._D_E_L_A_Y_O_N_CO_N_T_A_C_T_C_L_O_S_IN_G_ _

29G GENERATOR REVERSE POWER 32G IA

~!-

  • en V, f--+---------------+---+-------------------10 SAFETY z 500KV 30G GENERATOR REVERSE POWER 32G IB ~ ~

INJECTION

/_.--._30G BKR CLOSED 7 ~-+---------------+---+-------------------100 31G MAIN TURBINE AUTO STOP Oil PRESSURE PS329X 0 u / __,, le___ _

B 20R CL GEN. 32G GENERATOR OUT OF STEP 78G I "'

0.5 SEC. _,, REVERSE f - - - - - - - - ' " ! - -_

FOLD R.C.P.

BUS UNDER r7'  ;".M_ANUAL' CNT. ISOL.

J--~----i CONTAINMENT ISOLATION PHASE II A II ~---11T 00'---t-f-----~lff----------+j ON z,

WO JN POWER

_J 30 SEC. f...- 33G 500KV TIE LINE DIFFERENTIAL SET B 587-IB 31G LO-LO BEARING OIL PRESSURE c62AMGIX EH OUTPUT

i;~.;
.
;_;
;~7~;.:,:;;~~~~c;;::;:::::::;;;::=:,~;;:::~J.::~~~;;;,.:.,-=..-c=="-""='"""=._.,="",,I FOLO

'\!'OLT AGE ,,--, 2 I :

/R. C. P.';

L--' QP~7D--,--!--J PHASE A f----<-1'--

VENL TURBINE OVERSPEEDf----+lc:_~

o-U'l 25KV OPER MOT.

SW 1--_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___J BUS !SOL ,..---~"*GR ,,--. 1031/4 - I OC>

C DEH J 22R UNDER '-+V '-- CONTAINMENT e-- v, EN CLOSED FREQUENCY CNT r----- VENTILATION /STATOR I 75 SEC.

HIGH f---f,~ ~ CLG WATER f-----------+--------~-,-7 '

REACTOR _RADIATION COOLANT cc HIGH f------,t'->-/f------~

pp BREAKER I  : CONDUCT / _.,.,,

TRIP ,..--------23R~-~.,-~ - HI -HI CONTAINMENT I---~

CONTAINMENT SPRAY z 60 MIN.,

REACTOR' PRESSURE

,--00

-::; GEN, 5 SEC. /

COOLANT ______ ___,, ACTUATION o STATOR CLG D'

\_ FLOWLOW IL _ _'.__ _-f--7 O

u VERYWATERLOW f-0-V }-------,li-+--+~t--------1--_J , _.,.,, 45 SEC.

LEGEND PERMISSIVES p 8, 1------.1 MANUAL SPRAY L...._

CONTAINMENT ISOLATION a:

~

" FLOW + \___/ / _./ ~~D~E~H~

RUNBACK I---°"

X f----,l'c.J-->-1 D'

- ELECTRICAL CONTROL P-6 - I/2 NEUTRON FLUX I INTERMEDIATE RANGE I ABOVE SET PO I NT PHASE 11 B" GEN OPERATING / ,

p 9, ACTUATION <(

1--

/

' AT 40%/MIN _,, HI - MECHANICAL CONTROL P-7 - 2/4 NEUTRON FLUX !POWER RANGEi ABOVE SET POINT IP-IOI OR 1/2 FIRST STAGE TURBINE PRESSURE ABOVE SET POINT 124RI TURBINE TRIP/TRAIN 'A" GENERATOR LOSS OF FIELD TURBINE TRIP/TRAIN A

(/')

~

ST AJAolrncLG VERY LOW FLOW I _ _J__ __'T:::o:::=1s:::r.;:L:::O:::Ao=--------~}/'~--~

t-135 SEC/_,/

/'

=tJ - AND P 2/4 P 2/4 P 2/4 P 2/3 NEUTRON FLUX !POWER RANGEi ABOVE SET POINT NEUTRON FLUX !POWER RANGEi ABOVE SET POINT NEUTRON FLUX !POWER RANGEi ABOVE SET POINT PZR CHANNELS BELOW SET POINT N GEN. _.-------2 3 G -{g] - NOT P 2/4 TAVG BELOW SET POINT N LOAD > GEN. D' I_./

N N

0 N

15%

24G

57. 55HZ I/

/ L--',

7. 7 SEC BACK-UP}----,f-o+---~~~-------+J TRIP 1 _./ /

GEN.

25G NEGATIVE 1------L, 1f - - - - - - - ~

~

p - OR REFERENCES I. FUNCTION DIAGRAM BY WESTINGHOUSE ______ 495841 THRU ~95858 DWG NO.

C r-'

0 V '

A GEN, 57.95HZI/ 31 UNDER-FREQUENCY

/ L--'

SEC ,

SEQUENCE

-719- - TIME DELAY O> 0 0

  • C (])

00 o,+-

58. 35HZ I/ 92 SEC 500KV BKR CLOSED KEY DWG. SECTION 3 NUCLEAR SAFETY RELATED

-' "0 .

25KV MOT. UNIT

'o m , :::, OPER SW f - - ~ 32G DATE REVISION DESCRIPTION DWG SCALE:

N - a:

co,z CLOSED / GEN I & C Om:,: OUT OF 04-07-2022 FUNCTION DIAGRAM BILL OF MATL:

ON,. STEP m CO L D.D. MNRU REACTOR - TURBINE - GENERATOR SUPSDS:

II O (l)

GENERATOR TRIP R. E. RXG2 PROTECTION SUPSD BY:

a:o'"

w m:::, OIABLO CANYON POWER PLANT DRAWING SHEET PAGE REV f- " I. v. N/A PACIFIC GAS AND ELECTRIC COMPANY VlZD

""'°""

a:ou

p. E. NIA SAN FRANCISCO, CALIFORNIA 500825 I O 27 SNPG 5 Size 0 i!

0 i!

0 i!

0 i! DDN -2

  • I 966 u*Z-500800
Retrieved from "https://kanterella.com/w/index.php?title=ML23241A548&oldid=3623147"