ML20024B442
| ML20024B442 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/19/1974 |
| From: | Rogers L BABCOCK & WILCOX CO. |
| To: | Geoffrey Miller GENERAL PUBLIC UTILITIES CORP. |
| References | |
| TASK-*, TASK-GB GPU-2516, SOM-258, NUDOCS 8307080739 | |
| Download: ML20024B442 (2) | |
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g Mr. G. P. Hiller C?J Eervice Corporation Fost Office Pox !+80 g
f Middletown, PA 17057 Resctor Coolant Hotor stator Te=perature Cetroint i
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- est Mr. Hillers i
i Following is in response to Met. Ed. request for change in the setpotst for Reactor Coolant Pu=p Motor statar ta=perature.
Pe NIMA n; proved limit of the observable temperature as nessured tr f'
an haidad detector (RT:2) for Class P insulation is motors of the size ar.1 voltage range of the RCP :nters is 150*C. Paces on :TatA and the A-C I
".sstruction r.an:ni, it is permisssble to raf e the stator temperature novever, it is recor= ended that
, F-alsr:a set point to the naximum of 150*C.
the setpoint be kept down to 145*C, S' below the ruir:un allovable tesperature, to permit corrective a tics following an alars before the
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If 1%5'c slars setpoint still becoces a nuisance,150*C setpoint veuld g
necessarily be required 6
g If you have any questions, plesse contact me.
7ery truly yours, e.
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I L. Cs 2cgers Site Operations Engineer ICE /can ces R. S. Rand R. J. McConnaLL J. G. Earbels The Besses &me.s Cumany / r<sawided ISET
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!,l THE BASCOCX & WILCOX CCHP4MY lJ Pow!R GENERATION GROUP i
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7/19/74 l
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RC? Meters, stator Temperature set. Point i
l ~ i The following is ih response to your phone call of July la, l
1974:
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The NDu approved limit of the observable temperature as 1
measured by an embedded detector (RID) for Class F insulation j
in notors of the size and voltage range of the ACP notors is l
is Based on. DG and the A-C instruction casual. it
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permissable to raise the stator temperature alara set point >is recossended that t e 150'C.
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However it to the nazinun of 150*C.down to 145'C, S' below the maximum allew.
set point be kept able tenperature, to pernit corrective action fo11cving aa j
l alara before the nazinua allowable te=perature is reached.
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