ML20209J377
| ML20209J377 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 11/30/1986 |
| From: | WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| To: | |
| Shared Package | |
| ML18052B549 | List: |
| References | |
| CT-25266, CT-25266-R, CT-25266-R00, NUDOCS 8705040274 | |
| Download: ML20209J377 (8) | |
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STEAM TURBINE INFORMATION TURBINE MISSILE REPORT RESULTS OF PROBABILITY ANALYSES OF DISC RUPTURE AND MISSILE GENERATION CT-25266 REVISION O NOVEMBER 1986 DUQUESNE LIGHT COMPANY BEAVER VALLEY STATIONS PARTIALLY INTEGRAL SPARE ROTORS - PGE96471/2 WESTINGHOUSE ELECTRIC CORPORATION POWER GENERATION OPERATING DIVISION kDjso gOCK 05o00412 a74 870424 E
i NO WARRANTIES, EXPRESS OR IMPLIED, INCLUD-ING WARRANTIES OF FITNESS FOR A PARTICULAR
- PURPOSE, OF MERCHANTABILITY OR WAR-RANTIES ARBING FROM COURSE OF DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION AND DESCRIPTIONS CONTAINED i
HEREIN. In no event will Westinghouse be responsible to the user in contract, in tort (including negligence) or otherwise for any special, indirect, incidental or consequential damage or loss whatsoever including but not limited to damage to or loss of use of equipment, plant or power system, cost of capital, loss of profits or revenues, cost of replacement power, additional ex-pensee in the use of existing power facilities, or claims against the user by its customers resulting from the use of the information and descriptions contained herein.
11
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MISSILE PROBABILITIES 1.
The probabilities for disc rupture and missile generation resulting from stress corrosion are shown in Tables III and IV including the probability for each disc as well as the overall probability for the machine. These values include the probability of reaching design overspeed where applicable. All probabilities are reported as a numerical value followed by the negative exponent of 10.
For example,1.3-012 means 1.3 X 10~12 2.
The probability of disc rupture and missile generation due to stress-corrosion is calculated for each disc and the unit in its present running condition taking into account specific dise properties and keyway temperatures. The proba-bilities have been calculated for both the rated speed and the design over-speed as a function of six inspection intervals.
Page 1
,,---,-,---+n_.a.
, - + - - -,e------------,-,,
.----,,.-------------r-
, 3.
The feliswing notes explain the various columns that appear in Tables III & IV.
The dise number.
DISK LP END - LP rotor number followed by Generator (GEN) or Governor (GOV) end.
DEL T Inspection interval in operating hours: 8,760 to 87,600 hours0.00694 days <br />0.167 hours <br />9.920635e-4 weeks <br />2.283e-4 months <br /> has been analyzed. Since these are operating hours, appropriate adjustment should be made for calendar hours if considered necessary.
P ROB (R) -
Probability of disc rupture or missile generation s'; rated speed.
PROB (0)- Probability of disc rupture or missile generation at design overspeed.
This number is lower than that corresponding to rated speed since it includes the probability for reaching design overspeed.
4.
The overall probability of disc rupture or missile generation for the entire unit is summarized at the ends of Tables III & IV for six different time intervals and for both rated speed and the design overspeed.
j i
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TABLE 111 PROBABILITY OF 0!SC RUPTURE QUE TO STRESS CORROSION
-
- B E A vt1P-1rtt.i. E V 42 ( D U s 0 E 5 iv E7, 5FAkt LF' ROTOR i ( 5 CGE76 4 7T)- '--- ~ ~ T T 2 Ol%K LP END DEL T PROE(R)
PROB (0)
DISK 10 4-i G E i, 5760 0 i m e. 3 2 s-----
17 0.0 itl!8:8
_ g3 gg yg. -_
=. -... _ _....
87600.0 4
1 GOV 876G.0 TN14318 1g Q8.,8 17 0.0 504 iMQr:j
---Tftt t32 ?---
-.._._. 5- -
1 6E M-e 7t 1752C.0 26280 0
_ _ _ _.._ _ _. _.. _ _ _.,35040.0 3 g gggg 87600 0 5
1 GOV 876C.0 TN14322 17520.0 2 6 2 ? C. C--
~
3504C.0 43600 0 87600.C
~~
.b c,h OUTPUT
SUMMARY
b,c,h
- b,c,h DEL T PROB R
=
PROP (a) =
.. __._.. = gp 99,8760.0...
.pggg(gg) 9
)
m g t Y t - r---
17520.0 PRcB(R) =
PROR(0) =
DEL T =
LP NO. 1 PROB (R) =
PR09(0) =
OEL T =
26280.0 PROB (R) =
PR08(0) =
LP NO. 1 PROS (R) =
PROE(0) =
-- - DEL T & 15040.0
-P*c5(R)
FR05(0)
LP NO. 1 PROB (R) =
PROE(0) =
OEL T =
43200.0 PROB (R) =
PROB (0) =
LP~NO.
t- -"- - P RCS T IO-r -'
FRORTO) 87600 0 PROB (R) =
PRoe(0)
DEL T =
=
LP NO. 1 PRO 2(R) =
PROR(0) =
...=h*+_.
eu.W.
6e.uu.6 ques.p.D 6D e
- am
. men.
__4e.
6.
m.
e.
PAGE3 8
- ggg ;;;
PROBA8ILITY OF DISC RUTTURE DUE TO STRESS CORROSION REAVER vAcuni #2 iuusvE5mE), 5 Fait LP A0isn 2 (5.0. F6tye472) tt-t7-Se DISK LP END DEL T PROP (R)
PROB (0) 0!SX 10 4
2 G Ei, e oG.G ini4326 11!0.0 17 8:8
"- ' '~ "-
- aouv.c 8760C.0 4
2 GOV 8760.C TN14325 26}20.0 17c6v.
35040.yu 43800 0 3
2 GEN b.*8 Tiv i 4336 17520.0 26280 0 35C4G.0 4 3 6 0cvtf---
87600 0 5
2 GOV 8760.0 TN14343 17520.0
_.. _. __ g y 3504u.0 43800 0 87600 0 v,v,.
OUTPUT
SUMMARY
-, b,c,h
- b,c h OEL T =
8760.0 PROB (R) =
PPOB(0)
=
FRGEiO)
LF 40. i FRCB(R)
LP NO. 2 PROE(R) =
PROB (0) =
OEL T =
17520.0 PROE(R) =
PROB (0) =
FROEiG) t Pwc.--1 FRCEiki LP NO. 2 PR08(R) =
PROe(0)
=
26280 0 PROB (R) =
PROB (0) =
OEL T =
FROBiU) ur
,v.
i FRCEiR)
LP NO. 2 PROE(R) =
PROE(0) =
DEL T =
35040.0 PROB (R) =
PROB (0) =
F R O E i c tmr--
- - - - L P-M O. ^ t FRettR)
LP NO. 2 PROB (R) =
PROB (0) =
PROB (0) =
43800 0 PROB (R)
OEL T =
=
- i. F NO.
i Pt0FtR3 F R OFTtit-z- -
LP NO. 2 PROE(R) =
PR08(0) =
DEL T =
87600.0 PROB (R) =
PROP (0) =
F40nivi LF n6.
i Fkstiki LP NO. 2 PR08(R) =
PR09(0) =
__ ene m
eume.
.e em.enlh N m -
e
(.... _
P A G E 4-a
T A 6i.E IV PROBA8ILITY OF MISSILE GENERATION FROM DISC RUPTURE DUE TO STRESS CORROSION TE A1rt R vALLer #2 (Lusus 5reE7, 5PARt LP RuiUk i TT'.0. P G E9~6 47T 7--- 7 7-17-8 DISK LP END DEL T PR0e(R)
PROB (0)
DISK 10
4 i GEh 5760.0
~
~
Thi4J24 17520.0 26280 0 35040.0
_4g p 0-
_e_
8760.0 4
1 GOV 876
.0 TN1431?
175{0.0 3504 R888:8
- - 1 G ete-2 7 &t%C TN 14 32 3 - - - --
17520.0 26280 0 35040.0
- 3 gogg-87600 0 5
1 GOV 876C.0 TN14322 17520.0 e
- -2 6 2 2 3-r -
35040.C 43800 0 87600 0 4,,, n e-OUTPUT
SUMMARY
- b,c,h
- b,c,h 8760.0 PROB (R) =
pn0B(o) =
DEL T =
-- t P -40.- t -
-PMottn, rav=sv, 17520.0 PR09(R) =
PR00(0) =
DEL T = LP NO. 1 PROB (R) =
PROB (0) =
OEL 1 =
26280.0 PROB (R) =
PROB (0) =
LP NO. 1 PR08(R) =
PROB (0) =
Me40 0-FR05(*) -
FRGB(0) -
-- -- DE L Y LP NO. 1 PRO 8(R) =
PRCB(0) =
P90e(0) =
43F00.Q PROE(R)
OEL T
=
=
F tDtt04-r-tP-NO. 1
-- - - 9 R'C B-t R ;
87600 0 PROB (R) =
PRC9(0)
- DEL T = LP NO. 1 PROB (R) =
PROB (0) =
__.e.___....
de 6 e
e h em64 g
6469 9
he ee*_9+w*
e m m e.iumusog m emuumum.
WD me me e
P A G E 5' t
m
<w e
e een e e
e
+ -v
e
.2..._..____..__
- 3 g
=. _.. _ _. _ _.._.
PR0eA81LITY OF MISSILE GENERATION FROP DISC RUPTURE 00E TO STRESS CORROSION
" 8 E AVE *-V A i. i. E i s2 (DU40E5NE), 5 F A R *" 1:7-ROTOR- ?' tTTtTs FGY96
- T77----
- 71 8 OISK LP END DEL T PROB (R)
PROB (0)
DISK 10
C--
2 GEi, 5760.0 ini* 26 17 0.0 26 00 35 0.0 c3 geg;g ___
87600 0 4
2 GOV 8760.0 TN14325 175 0.0 g s 7l'g., g._
35040.0 43800 0 8760g.Q 2-CEN-F-7 6u. u T ii i 413 6 - - - ------
2628'0.0 175 0.0 35040.0
_.. _ _.-4 3g g, g 87600 0 5
2 GOV 8760.0 TN14343 17520.0
. - g y y,.g.
.504d.0 43800 0 0 $ 6 00,. 0
_.b.e.h OUTPUT
SUMMARY
'ho0B(0)
.c,h DEL T =
8760.0 PR05tR) =
=
-- ~~ - t P - N O. -9RGEiRi FtCE(G)
LP NO. 2 PROB (R) =
PRGB(0) =
DEL T=
17520.0 PROECR)
=
prop (o) =
- -LP-NO. P Refrf fH --
F R O* t &t -=---
LP NO. 2 PROB (R) =
PR0e(0) =
OEL T =
26280.0 PROE(R) =
PROB (0) =
Ftotrtet -
~
~ - -
- L P-N O. PRO 5iRi LP NO. 2 PROB (R) =
PROP (0) =
35040.0 PROB (R) =
PPOB(0) =
DEL T =
- L P-40.
1--
PtostR-)
r---
---PRO *( 0 y r -
LP NO. 2 PROB (R) =
PROE(0) =
42!00.0 PROB (R) =
PR09(0) =
OEL T
=
-t#DB-t O Y =~
-t P-- N O.--1 ^
FRO 5iR)
LP NO. 2 PROB (R) =
PDCP(0) 87600.0 PROB (R) =
PROP (0) =
DEL T =
FRO?iG)
- i. F ii G. i PRG5(R)
LP NO. 2 PROB (R) =
PRCB(0) =
a_.
.e.,
e.
w w
e-eu.
m.m
. = +. e e.e. o -. em e.
em
. me_.. e-e e e e..
e ew -
- = -.
.. N e
e
=
PAGE S 8
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