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UL60950:2 [" ^5 U. G3 q6 |! K0 v& W" o
Where two winding wires, or one winding wire and another wire, are in contact inside the wound" o% n" k- j/ k0 h
component, crossing each other at an angle between 45° and 90° and subject to winding* L3 Q7 l& o% q- ]+ y E
tension, protection against mechanical stress shall be provided. This protection can be7 b7 B( t' I1 o( p2 S" j% U0 E, P/ U6 _- F
achieved, for example, by providing physical separation in the form of insulating sleeving or C: Z1 ~1 d7 Z; y2 v
sheet material, or by using double the required number of insulation layers.7 ~( e& y, i3 b+ C
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UL600655 }! m% c: t5 c* J3 |4 L; L' J; q3 y
where two insulated wires or one bare and one insulated wire are in contact inside a wound
4 x! V1 P' A" ~3 v% g: W: scomponent, crossing each other at an angle between 45° and 90° and subject to winding( j. _( q0 e8 T1 O7 G
tension, protection against mechanical stress shall be provided. The protection can be achieved/ k: s3 |5 `% V. K7 b5 n
by one of the following:
% c" [* |* ]& W! i8 ~; R• physical separation in the form of insulating sleeving or sheet material or using double
% X R: k7 N3 [0 y$ ?the required number of insulation layers, or the wound component meets the requirements of 8.18." F$ `! |' X4 q. B$ m8 W% [. D' G0 O! g
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
5 l3 w8 O& ]$ }0 Q, Fdielectric strength test as specified in H.3.
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: ~7 u, ?' y& o0 b8 y# v0 @! h" Q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?& P' u3 L8 X) n* G1 {# ]% c/ R
" n2 j# m) ^. K* X 2. 初级线要加绝缘套管吗?或加marign tape 吗?: g; G9 o+ v! x7 g9 ?( c
$ \! x4 F: ]9 Q0 d" w1 n! V+ p3. 初级与初级间(或次级与次级)% X) j/ f! r$ i$ A1 L: P( c
相交45-90度,算是标准说的那个情况吗?
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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?
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