|
|
|  DSH 426
$ o! ]1 R0 H, q" j: q- W1 @6 U2 J
| Triple insulated windings
" Z+ W( V) Z6 n; P- ^6 [ | 57.9, 57.9.4
J9 R& G1 ]+ v4 R( ` | 60601-1(ed.2);am1;am2
$ I, p' h1 k0 E( r+ j# \ |
4 r1 b7 S6 b/ H7 |Standard(s)- (year and edition):
- Z0 w5 X+ u5 ]IEC 60601-1:1988 Ed.2 Am1+Am2
L) @( o7 ` ~8 W" rSub clause(s): 57.9 57.9.42 }5 F# j C) ?7 i, X0 a- t
Sheet n°: DSH-426( l8 `' l$ \6 x
Subject: Triple insulated windings4 d4 M5 U( ]+ R3 d4 u% I0 t
Key words: Triple, insulated, winding, transformer8 ^1 j: Z8 ~$ m" l4 C
Confirmed by CTL at its 39th meeting, in Cologne
% w2 A. g0 l5 p _2 d7 \7 hQuestion:
6 ^- p; i& B, E- z' F: i8 v+ v% n3 KMany manufacturers are using a triple insulated winding wire on a transformer, where4 A1 C, E2 H6 F1 x- T# k
DOUBLE, or REINFORCED INSULATION is required between the primary and the secondary2 r2 x; ?- z8 g& R5 | r
windings. Is this permitted?0 }: ]- C- g2 B
Decision:5 B' K0 x9 k8 M. R( N
This is allowed, but precautions should be taken concerning possible mechanical damages to
: k7 S- o* W( d( Z2 Gthe wires. Other requirements of 57.9 shall be applied.
. J. X/ F6 ?1 n+ {& Z# Q5 X1 h* ]4 e2 u D1 H
! y& r: O! `4 V8 a) l
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
发表于 2012-11-5 10:34
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡