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' G6 p3 w! A0 g7 i' t; E DSH 326- z7 q) J, r7 f, i* N/ w) M8 F
| Mains Transformers' J) v( {( I1 W; Z1 \5 p& J6 c
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! ]: H7 D3 R1 X, V! p# \Standard:- U5 M. \7 _- D9 E( @2 q
IEC 61010-
: R% I8 g# D/ l/ C/ W, v9 _2 s1:1990+A1:1992+A2:1995
$ L: \3 @ l" x! @+ j; m- wSub clause:2 K- A" G. B% \8 q. t
14.7- m* R" g- d8 Q; r+ N
Sheet n. 326
- c( R: r; l' l. a3 yPage 1(1)
, d3 J/ [! M9 B+ }" k& l' NSubject:
5 l6 X, @4 u% @" L7 HMains transformers
: k( m4 X3 t: w7 H0 WKey words:: }3 u5 T- }2 p
- Temperature
~3 I& g: L7 T+ m- Melting
! z l: e8 L; G# C- Limits( F9 z% X$ g# \( K
Decision taken by; _/ t" C$ L! @6 c7 s! N( Q
ETF3 and confirmed
; j/ c; Q$ E8 i+ h2 l, M7 Vby CTL at its 38th# e2 z' R/ c% I' R
meeting, in Toronto2 z* w: E# d Q, h1 i
Question:$ S0 X7 l/ p: h- p* M
What temperature limits should be applied in single fault condition?
4 D& T4 ^4 O( I( qDecision:( o: Q+ s4 B8 H: n7 H' G- F
Refer to Table4 of IEC61010-1 ‘Motor temperature’.
/ S5 p) P9 l7 F4 JNote: Where melting of insulation occurs this is not significant where it does not cause a
; n! K( e6 L3 jhazard.
+ W; ~4 ^* G8 z, h; qExplanation:" {- Q3 F9 X+ ?! h* e1 P$ L
Table 4 is to be amended to include transformers in its application in the next edition and a
' l& l. l$ J4 Otext change included referring to hazards when insulation melts.! w: `6 }1 v+ P4 _3 S" \
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