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( T g" w5 R9 Z- U$ ?6 N' w9 R* [5 @, O* H8 j
 DSH 326
( v5 C* e, }6 k' `1 t# `9 Q9 t9 B | Mains Transformers" {1 g' [" F$ j6 o3 i3 [, b
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2 H P) G+ d1 V( dStandard:
' h6 [5 l( v( @) iIEC 61010-
: b2 B) M) L a9 X; W1:1990+A1:1992+A2:1995
8 e6 g7 L( i- D$ D3 `! ]Sub clause:
7 I1 B) o* n! K- P [ R4 t" L14.7$ p" r/ l8 j5 ~6 j+ A9 Y* @$ p
Sheet n. 3261 T | d! A5 `# S7 J
Page 1(1); X4 x- \) S Y+ w* C; s
Subject:4 V' W! ]7 s! L2 P0 }
Mains transformers
! j( R' }; Y6 k, z5 T( JKey words:
+ ~: f. k; i# z2 o# a- Temperature/ _6 `- l' N D
- Melting
! p) z1 Q" U7 n% s- Limits) ~& m6 _4 `, U) v4 z
Decision taken by
y' A" r4 Z( @& c6 y! n3 l! iETF3 and confirmed
3 e* j ^/ x+ z( R: iby CTL at its 38th' U+ I6 t3 {8 |2 f# ~- |
meeting, in Toronto
0 y' T# I, L/ k6 R% {1 oQuestion:3 T% ^% ~- o0 X5 {# p# V& H2 y
What temperature limits should be applied in single fault condition?" G+ B7 _ T( j% r2 s
Decision:
% T; @* ]' c k1 I7 g( hRefer to Table4 of IEC61010-1 ‘Motor temperature’.1 J- }# C3 ]5 {4 b+ w2 g
Note: Where melting of insulation occurs this is not significant where it does not cause a9 J5 E0 E( t1 H0 v- a
hazard.! d0 ^0 X0 \# V& f |
Explanation:. J3 a: T& @* N w( J1 U; s9 I
Table 4 is to be amended to include transformers in its application in the next edition and a2 C n7 K& _4 C! U# n
text change included referring to hazards when insulation melts.
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