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7 n9 V0 D' |: L8 @1 I& }/ N/ w( ?$ h7 n2 o5 Y
| Mains Transformers5 t7 V4 S# s, B
| 14.7
# B3 \* D! x. l3 L# e | 61010-1(ed.1);am1;am2
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l7 E& m' n; o+ p: ~/ M( _9 H7 z
8 g0 v; j3 B0 XStandard:
7 j& d% m2 K* s X9 u& e$ NIEC 61010-
2 u k* y0 W; }* S. z1:1990+A1:1992+A2:1995
) T; c+ t G/ m1 USub clause:
0 j( d( X& D! @& z14.7
1 o6 [( i! M: C: Z" l+ DSheet n. 326( q R* d# K2 S B. N, a1 _6 x
Page 1(1)
4 k- _; ?6 e5 a, \' c/ lSubject:7 ~6 s- T9 \* H& j
Mains transformers
; M, K6 ]" Y) t% n6 IKey words:* @; F; C9 t! S! r$ F9 R
- Temperature# C: f- e3 r" i! B* E( f2 l
- Melting
0 {2 E5 y: I/ _- Limits
8 X+ i' G2 V, Q: W0 J8 P5 C% ODecision taken by. A$ ~$ Q A0 e1 |; _
ETF3 and confirmed0 h, i& x+ z; {" w4 |6 ~# z
by CTL at its 38th
' R% O% f: [2 K3 ?meeting, in Toronto
4 \" x7 [% ^2 q& V4 t3 CQuestion:: D0 w' N) {0 r/ U( X- V3 w% J
What temperature limits should be applied in single fault condition?
( V+ i0 s$ X6 E& h @, T, tDecision:( w6 [+ ?5 j7 f( p: @# `
Refer to Table4 of IEC61010-1 ‘Motor temperature’.3 s9 O0 n* y9 D7 x* N3 o1 R% o
Note: Where melting of insulation occurs this is not significant where it does not cause a
$ o+ f8 W/ r3 O$ f* {8 fhazard.
3 W3 \: A$ j4 M `+ R* ]Explanation:
3 j7 h! @" P; PTable 4 is to be amended to include transformers in its application in the next edition and a; I" ?+ a5 H3 \7 ]2 j! H* V
text change included referring to hazards when insulation melts.
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