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|  DSH 426( l4 O( G7 v; @& [
+ `4 ]" j5 G4 B: W/ s | Triple insulated windings2 Y8 F! `" E7 i! R- r
| 57.9, 57.9.4
$ {* Y! j ^8 ~+ l* ]9 @ | 60601-1(ed.2);am1;am2
) |. }8 ^' a5 m |
9 ~7 ?5 \+ A, P/ h5 N( cStandard(s)- (year and edition):
$ p( F( |5 {% o9 L( k3 |% U# AIEC 60601-1:1988 Ed.2 Am1+Am2
0 P) [+ ~5 X. v- X. sSub clause(s): 57.9 57.9.4
5 ~: g# B( U% o7 H$ N. r! y. U* j; |Sheet n°: DSH-4264 R+ |/ |$ v" R8 z0 y H7 a. C4 i. `
Subject: Triple insulated windings" c( p6 D( {9 f! a2 z) C) G5 m% F B
Key words: Triple, insulated, winding, transformer- N0 T0 J! |, s$ w
Confirmed by CTL at its 39th meeting, in Cologne
1 D+ E# G9 N" Z( G; T) N) RQuestion:
0 Q6 }7 |3 w4 y$ ~' b* `Many manufacturers are using a triple insulated winding wire on a transformer, where% ]% M1 W! n; W
DOUBLE, or REINFORCED INSULATION is required between the primary and the secondary. g+ f$ j9 b: I. ]+ D
windings. Is this permitted?( B$ B" [! o% _: u" S3 T
Decision:
* O% p0 h& [( \$ xThis is allowed, but precautions should be taken concerning possible mechanical damages to: {. C4 t1 I2 o/ E3 d
the wires. Other requirements of 57.9 shall be applied.
9 `' s+ [' \& a5 j% U- ?. p- n; S3 H8 `. H! H5 D
0 ~! K% q2 _3 P8 {2 @4 M- L! M8 k0 w8 ?
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发表于 2012-11-5 10:34
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