|
|
|  DSH 426
5 Q) K8 I* c. Y2 U( Z& w( d; F& s' A2 ~4 _2 u9 U) t
| Triple insulated windings
; @6 Y2 E0 K9 M8 w* P$ S | 57.9, 57.9.4
9 U4 ^/ l+ w. s) U: F: Z | 60601-1(ed.2);am1;am2, Z J# G2 C& e% V$ q5 e
|
R N0 @# n* B. q3 l& q' l ^# r vStandard(s)- (year and edition):
7 |. R( K2 I, s* v! oIEC 60601-1:1988 Ed.2 Am1+Am26 V- a" d) M* q" j/ U
Sub clause(s): 57.9 57.9.4
0 [0 W9 ?/ M( ?: r1 G- vSheet n°: DSH-426) J, [* p( F' e2 c
Subject: Triple insulated windings5 D" X5 n. X' J1 M% x+ U
Key words: Triple, insulated, winding, transformer
4 B! A! H/ {! Y3 LConfirmed by CTL at its 39th meeting, in Cologne
+ M9 s3 |4 e8 [. h2 ]7 aQuestion:
Q9 d/ C0 U/ Y; _Many manufacturers are using a triple insulated winding wire on a transformer, where2 ?3 X `4 F: o! [3 v
DOUBLE, or REINFORCED INSULATION is required between the primary and the secondary
8 f+ N/ p* G+ c% T# d4 _windings. Is this permitted?
3 U3 E3 T P) ^5 w VDecision:
8 I4 D! L- H! t$ D" o% c; @This is allowed, but precautions should be taken concerning possible mechanical damages to
, i1 X; R+ B2 r1 G% zthe wires. Other requirements of 57.9 shall be applied.
" |6 E3 p& [" j* K9 I Z- ^! r5 l& b( @
& [% \" V' _/ K3 V2 i9 S6 V |
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
|
/1 
|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