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|
; n5 }! Z1 Z9 o6 j! e$ ?* k
X+ ~7 \- m2 ]$ _! Y ?: r7 f: c. U
| Mains Transformers; F7 h( ^, g' H, g
| 14.7
1 h1 K: K' l7 F1 W$ P5 B | 61010-1(ed.1);am1;am2
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Standard:
" [5 @# x3 n. u% w7 tIEC 61010-: s, b2 x# K R2 C* U
1:1990+A1:1992+A2:1995- X" ~5 o f1 H, s. V
Sub clause:9 k9 o# ^( \% q
14.7
- ]# U1 V3 U& j8 z+ d! ^Sheet n. 326
- i1 H4 r; c" y; x" i* l& X9 H- I7 pPage 1(1)9 q2 z( `3 L6 [/ s. p8 ?
Subject:
. S& C2 |6 K7 jMains transformers& \) _9 D! s8 _1 ]0 O
Key words:
) c6 O; a" P$ Y7 W& t# S- Temperature( ^6 N P' S4 r; X# \$ D
- Melting
6 P C' X) Z) P: b2 e- Limits
" M0 B; Y, ^0 @( @# k7 ?Decision taken by3 \. |6 A' x$ K' R: L7 a! z
ETF3 and confirmed% M F Y( h8 S z
by CTL at its 38th3 s( }3 h, e* Z: l8 V
meeting, in Toronto- W. n f8 q" V" V+ d Q# Q2 D
Question:
/ J* K$ L, ]9 E b; Q0 ?What temperature limits should be applied in single fault condition?
% [( y# ^3 y4 q8 b! P% Y, J: KDecision:
) q; p Y6 ]1 o1 d8 d0 E. {Refer to Table4 of IEC61010-1 ‘Motor temperature’.
* @( g+ ]7 }0 K* e% KNote: Where melting of insulation occurs this is not significant where it does not cause a" }6 i3 D5 ^7 f) B* C. h: B) W/ y
hazard.
/ g6 d8 E0 Q3 NExplanation:
/ w9 e2 Q! T- `! Y3 _3 Q+ `Table 4 is to be amended to include transformers in its application in the next edition and a
. U0 N& J% M5 } s9 \. otext change included referring to hazards when insulation melts.3 V$ |5 [. n% H; l
J$ B' j8 V% P
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