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UL60950:
: T& _( O" A8 b8 d- k1 jWhere two winding wires, or one winding wire and another wire, are in contact inside the wound1 |/ C0 V9 l2 N2 q
component, crossing each other at an angle between 45° and 90° and subject to winding& n9 {7 \' v2 V) j1 H- e% {
tension, protection against mechanical stress shall be provided. This protection can be
$ s; J. _5 C+ B0 q5 h6 hachieved, for example, by providing physical separation in the form of insulating sleeving or* k% j# B% k/ q. x& l. M
sheet material, or by using double the required number of insulation layers.2 Z: |1 d$ i- v8 @
. V! q: s$ N- |6 H9 {0 iUL60065
4 I) P" B% k7 \4 [3 _. y1 T- t where two insulated wires or one bare and one insulated wire are in contact inside a wound
) l) F. m, h% `- D% H! X+ rcomponent, crossing each other at an angle between 45° and 90° and subject to winding8 q) N9 Q' c! j! d o z
tension, protection against mechanical stress shall be provided. The protection can be achieved
0 H" R# o4 I" w. b7 T, Y W5 b; Zby one of the following:
! m7 N( h/ l5 e0 ~• physical separation in the form of insulating sleeving or sheet material or using double3 e2 N2 x, w' R; Z
the required number of insulation layers, or the wound component meets the requirements of 8.18.$ G* P. k4 v) Y' i- ]
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
$ B) k/ {7 g# S) Pdielectric strength test as specified in H.3.& o0 a3 f0 H! a: | g# a+ o5 U
0 b& X* X1 z. N/ r' x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?2 q. v) x3 W4 n \+ L+ i* X
* x) [, e! g& ~% v3 o$ }, `4 Z4 o0 g9 l 2. 初级线要加绝缘套管吗?或加marign tape 吗?& Y' ~( X! z$ C; J. {* M D
3 L' N5 ^' q2 z$ G& h! [5 r3. 初级与初级间(或次级与次级)/ b2 C8 F: a1 R) P9 s! W
相交45-90度,算是标准说的那个情况吗?0 y( u! D1 H5 O5 w. J1 \
( f6 {; Z* E0 i5 H/ M
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?' Y J% k* Z3 T7 \
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