ML20012C460
| ML20012C460 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 03/15/1990 |
| From: | Loflin L CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NLS-90-067, NLS-90-67, TAC-73351, TAC-73352, NUDOCS 9003210355 | |
| Download: ML20012C460 (2) | |
Text
p CD&L Carolina Power & Light Company SERIAL:
NLS-90-067 MAR 151990 L
United States Nuclear Regulatory Commission ATTENTION:
Document Control Desk Washington,.DC 20555 I
BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS. 1 AND 2 DOCKET NOS. 50-325'& 50-324/ LICENSE NOS. DPR-71 & DPR-62 ARI/RPT POWER SUPPLY (TAC NOS. 73351/73352) 1 Gentlemen:
1 L
By letter dated March 13, 1990, Carolina Power & Light Company provided additional-information regarding ARI/RPT.
The calculation identified in the text of information provided was inadvertently not mailed with that letter.
Attached is the i.
Control Loop Voltage Drop Calculation in support of the l
information previously provided.
1 Questions regarding this matter should be directed to Mr. Dale B.
l Bates at (919) 546-6154.
l Yours very truly, J1].k.-
hr ' A-lL L.
I.
Loflin Manager i
Nuclear Licensing Section DBB/ecc (653ECC)
Enclosure cc:
Mr.
S.
D. Ebneter Mr.-N.
B.
Le Mr. W. H. Ruland 0
f.
411 Fayetteville Street e P. O. Box 1551
- Raleig'n. N. C. 27602 ecyJ2nr.mim:rresrtmi".lu2:ZEmsn222nn7&TJ
,l \\
9003210335 900315 PDR ADOCK 05000324 I
P.
i
,g f e.
' CONTROL: LOOP VOLTAGE DROP CALCULATION.
I DIST
+
123' CAB.
190' CAB.
165' CAB.
-an' CAB i^
PNL' 123'-
P603 190' P624 165' P612
-40' P613 12A
!=
~
-l
' To tal-l eng th' (Worst Case) 1036' DC Resistance per 1000' (#12AWG)-
1.92.
Total Amps (Ckt. Load) 1.30 1036 x l'.92 x 1.3 1000 2.59 Volts Drop
=
t I-SWBC
? ?' '
DIST
+
2A 271..
PNL 12A Total Length 542' DC Resistance per 1000' (2-1/0 AWG-per leg)-
.065 Total-Amps (Ckt. load) 34.73 542 x x 34.73= 1.22 Volts Drop s
li BATT
+/Pi 75' SWBD
]
2A-1 -(N/P) 75' 2A Total Length 150' DC Resistan'ce per 1000' (2-500 MCM per Leg)
.013 Total Amps (Ckt.-Loud) 569.5 9
1006
=1.11 Volts Drop Total volta drop for control p is 4.92 VDC
- \\;
A PRE,ARED BY 4'd DATE f*4~90 VERIFIED BY
(
DATE M' M 90 L
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