|
UL60950:
1 j. R$ L3 U0 z% h9 H2 BWhere two winding wires, or one winding wire and another wire, are in contact inside the wound
3 i8 @% Z! [% e r+ }* T8 |; Q+ Icomponent, crossing each other at an angle between 45° and 90° and subject to winding+ e2 K$ ?6 g& |/ w
tension, protection against mechanical stress shall be provided. This protection can be
' R; F; S& }+ ]' J. p& fachieved, for example, by providing physical separation in the form of insulating sleeving or
1 t8 m+ ~7 a! F g9 `2 asheet material, or by using double the required number of insulation layers.
2 D' L) f% _: X, ]) q# E9 S& |: @! B) L+ X
UL60065+ r' I8 ?! f* X8 E# g
where two insulated wires or one bare and one insulated wire are in contact inside a wound
, V7 i3 ?9 n) \+ o4 l4 ecomponent, crossing each other at an angle between 45° and 90° and subject to winding
7 @' m; r* `% ^9 J8 g6 G4 p! J% Q& htension, protection against mechanical stress shall be provided. The protection can be achieved5 I* q6 M5 S/ g! |
by one of the following:
3 \) J, E8 I" O& m9 }• physical separation in the form of insulating sleeving or sheet material or using double
" M' o( I4 x2 O' \the required number of insulation layers, or the wound component meets the requirements of 8.18.
% r7 r+ e; h2 E' p" d– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
" w" A! n& I* x+ ?* J% xdielectric strength test as specified in H.3.* U/ M2 l. I& S* D# E! i
f* Z# B0 B1 v5 L }9 ?- [. f/ g4 [" T如图中,次级三层绝缘线,1. 初级与次级线算是45与90度之间吗?标准里面是说接触,初次级没有接触呀(a. 有一点距离 所以没接触 b. 变压器骨架初级线附近有一个凸起塑胶挡住了次级线,也就是说次级线不会跟初级线接触)标准说的是45-90 度, 其实角度怎么参考?我是说两线相交,可以说是135度呀或其他角度呀?参考0度在哪里?0 u4 w( ^* t. @
4 W3 ?& ~6 @0 [3 [) r( A; C: e
2. 初级线要加绝缘套管吗?或加marign tape 吗?4 F* G& h8 q9 Q$ J
4 `! I& [! `! E/ Y$ P3 a
3. 初级与初级间(或次级与次级)
) a+ ]' J% T; x& I7 |4 {; W相交45-90度,算是标准说的那个情况吗?
+ [' L5 h% S! ^7 y2 p# z$ s) ~+ m' z% \ T. ~' e; R6 F2 K
4. 什么时候变压器次级三层绝缘线前面那段要加绝缘套管?
1 r7 c6 ?! D9 H2 M8 }2 `7 S6 d) ? |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册安规
x
|