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UL60950:
6 R& d( i1 H. F |Where two winding wires, or one winding wire and another wire, are in contact inside the wound% \/ j9 n0 J: X! e
component, crossing each other at an angle between 45° and 90° and subject to winding* b) z( K$ J. U- T; |
tension, protection against mechanical stress shall be provided. This protection can be
: N5 X4 R: }- T+ w+ q. n2 ?achieved, for example, by providing physical separation in the form of insulating sleeving or7 A! j5 Q0 b$ N& g2 `+ A4 u
sheet material, or by using double the required number of insulation layers.
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B/ w& d+ G. g$ i3 O+ s | V1 YUL60065
7 R; X6 ^) X1 _3 d. J" o- M% e8 | where two insulated wires or one bare and one insulated wire are in contact inside a wound
6 O2 b# z8 [' t7 T. {component, crossing each other at an angle between 45° and 90° and subject to winding! A, I$ r6 s5 Q8 A1 }2 ?
tension, protection against mechanical stress shall be provided. The protection can be achieved
K9 a' p8 U5 i3 @. Yby one of the following:
- ?7 y% o! L+ ^' S# h• physical separation in the form of insulating sleeving or sheet material or using double
6 _/ g0 y% R& {- Ethe required number of insulation layers, or the wound component meets the requirements of 8.18.
0 H" m$ |, n+ r7 g& D– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
4 O8 b7 X7 | qdielectric strength test as specified in H.3.3 C' n; ]4 ]/ H/ ~ v3 j
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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?7 s6 U$ }* Q- p: V V$ k
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2. 初级线要加绝缘套管吗?或加marign tape 吗?
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5 W3 b; Z8 {% \! x1 d0 F( H* |3. 初级与初级间(或次级与次级)4 l5 p2 r8 M3 a1 b) Q: [( o! T. j
相交45-90度,算是标准说的那个情况吗?% m) h/ m E: A+ o4 K
7 d& }* x0 H0 r7 D0 n' T4. 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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