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8 [' ?2 n* g7 m. E8 O1 a; }( J | Mains Transformers
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9 `2 v2 I) \* ` | 61010-1(ed.1);am1;am2+ N9 H8 i# S/ e
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7 o( G5 |8 @; l$ K0 w7 W7 {Standard:' [8 A% f9 v! Q! R
IEC 61010-
: k$ G) D, j3 a0 ~1:1990+A1:1992+A2:1995
/ a# y' W/ }& B! }# h( }Sub clause:2 J' _( `" x' i3 R9 h
14.7
% y- d$ P, E% j2 qSheet n. 3263 R& f% o4 \2 F. Y
Page 1(1)
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Mains transformers' D" C! X* X C! h3 Z, v" c
Key words:
! n8 k0 y2 N# [* a: }6 F5 u- Temperature
. P% H; A6 {1 W" [' q- Melting( H$ l: y0 h4 ~7 F' @5 M
- Limits/ |3 Q% J4 l, O, O3 y- I
Decision taken by9 i* ~& d7 @; p9 C
ETF3 and confirmed
' P V0 j" E% _$ d0 Yby CTL at its 38th( K" M4 I/ R J/ D4 K
meeting, in Toronto, j- s- V! e; P% d1 ^
Question:% R( l1 S0 u# x2 Y
What temperature limits should be applied in single fault condition?+ d; N! E$ K6 j
Decision:/ \" A6 I% R6 o
Refer to Table4 of IEC61010-1 ‘Motor temperature’.* f+ ?+ L& g! e
Note: Where melting of insulation occurs this is not significant where it does not cause a
: C; \% T6 w; Z3 W6 Y) q" g5 ?hazard.5 Y- m6 X# H d3 V- c4 ^& H
Explanation:
' `8 L9 ~" U! a8 CTable 4 is to be amended to include transformers in its application in the next edition and a
0 Z- ]9 t1 A6 ]% W6 p' Btext change included referring to hazards when insulation melts.
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