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|  DSH 590/06# ~$ m4 Y/ `3 N) N% R( m T
+ Y! J0 m; z- j, C- t4 L
| Temperature of supports for transformers IP 00' E9 s( R- z ]5 V
| 14.2 q7 q( S3 x# N, w
| 61558-1(ed.1);am1
2 O$ T& Q( @* F0 t, ^ |
) F1 y; c/ e3 C- k: O. q; G
Standard(s): IEC 61558-1/1997
+ A% @3 X4 {0 y- xA1/1998. J3 g+ j# q0 ]) {4 w$ t% {
Sub clause(s): 14.2
1 ^9 T6 ~) E4 iSheet N°: 590/06
0 |% M* Q |; k4 ^6 CPage: 1(1)7 A5 ]/ v9 [2 p+ \
Subject(s): Temperature of supports: y) v8 z7 Q! L* y; q; k- n% s' g9 Z4 H
for transformers IP 003 D' O7 I, R8 M; H) @: ]4 w
Key words:$ x H( f. S/ x) s0 W
- Temperature of! J1 D, i1 V* z: k. [4 A% N
supports$ P7 X9 |& ~1 N1 }
- IP 00
# K/ i/ X7 D3 j: S; k. n- TRF
: f7 p3 `: f2 ]1 V8 F: uMeeting:' y" ?1 u' w2 T& ?
Decision confirmed1 s- [3 ~8 f7 ~% Z
at 44th CTL meeting
7 r! Z1 G& `$ i0 x9 l8 sQuestion: Note 1 of clause 14.2 states: “ In the case of transformers with a protection index
, `5 t! B* v+ N( D8 s) O8 `IP00, the temperature of the support is measured, but the values given in tables 1- p) p/ N C; @9 p5 E7 v2 R
and 3 are not considered”.& S0 ?: H( D4 B$ y5 A2 \: Z
Does this mean that the temperature of the support must always be given in the/ M9 T4 G* ?2 ]; z+ t
TRF as an informative value?2 l2 B5 E9 e0 X, j4 M
Decision: Yes. z4 g3 l6 }4 N# S8 d. J
/ |; v9 e7 s( g" b) f, t% P6 M5 I8 ]6 X
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发表于 2012-11-8 15:09
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