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; o9 d. W9 o: k$ \6 p
) J$ C" {+ q0 {$ t B" y | Mains Transformers
/ c- g* R5 D8 e | 14.79 ? o' i( ^ D9 O
| 61010-1(ed.1);am1;am2# o( d( W R# z: D) ^
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Standard:
8 _1 c+ A% b: M4 ^' TIEC 61010-7 y" E9 {) b6 ^8 S; R( R4 K
1:1990+A1:1992+A2:1995
3 n, B" [; G/ s+ c7 cSub clause:
9 z' k9 q5 O' w# H. i' ^14.7
9 j8 d3 I; W) G. s% y0 @ V; vSheet n. 326
# K$ S l' j! I' KPage 1(1)% z4 _! q. c4 U3 }" I
Subject:
5 l8 W& V+ E6 m2 X0 X* S+ TMains transformers, W2 Y8 Q/ M [4 o
Key words:
- t% _' ?! M/ A- Temperature
. P6 j8 h3 r" ~" b. L: v+ {1 p- Melting
$ @) D1 M5 A' X9 S5 r, g- Limits5 }& b# q" j O2 k
Decision taken by$ h) t0 D6 N3 G: ?
ETF3 and confirmed
% C$ x7 I- L, f4 S" P* ?& cby CTL at its 38th
5 J3 `2 B0 O# H/ n" n1 L6 fmeeting, in Toronto: V: M4 E; x5 l# e
Question:# R; G) l/ U5 L, k
What temperature limits should be applied in single fault condition?
. s" b) Q& s' O* y0 { cDecision:& S9 J* Z6 p5 c/ G$ w
Refer to Table4 of IEC61010-1 ‘Motor temperature’.
5 I# K: p2 I P2 b/ gNote: Where melting of insulation occurs this is not significant where it does not cause a
, }7 l; [4 l, n1 v6 i E7 `1 G" Mhazard.
" e! B1 ~8 P+ VExplanation:
$ P: R4 a+ J8 c: xTable 4 is to be amended to include transformers in its application in the next edition and a3 n( p& K4 `9 p4 _1 i( d% q& q
text change included referring to hazards when insulation melts.+ {+ D7 X5 x, i, i1 g4 O w1 L$ ~
9 w+ {9 E% C: y+ z& u7 D3 A
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发表于 2012-9-19 14:09
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