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UL60950:2 R/ ^ P8 ?# F) g9 A& I/ J
Where two winding wires, or one winding wire and another wire, are in contact inside the wound
7 J$ @' u: d6 L- G6 Icomponent, crossing each other at an angle between 45° and 90° and subject to winding
3 z. H- J% x) Q3 p: Ttension, protection against mechanical stress shall be provided. This protection can be
; B9 J7 q" o4 Q5 ^7 C8 k& qachieved, for example, by providing physical separation in the form of insulating sleeving or
- @& U+ E' \0 g8 X# k- K6 [! B7 Osheet material, or by using double the required number of insulation layers.
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UL60065; A+ X0 m, [& ^+ G8 B
where two insulated wires or one bare and one insulated wire are in contact inside a wound' W/ H1 n! d% a( D- m" w
component, crossing each other at an angle between 45° and 90° and subject to winding* Q. k; L! X! } L2 S4 }1 Z% m3 L
tension, protection against mechanical stress shall be provided. The protection can be achieved2 E- h# o3 ]5 }
by one of the following:; @# {) x, |# G' l
• physical separation in the form of insulating sleeving or sheet material or using double) U+ V, [+ U5 e% X' c3 H
the required number of insulation layers, or the wound component meets the requirements of 8.18.
! W4 A3 O* y3 H– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
A- ?+ K2 R' w/ p4 |dielectric strength test as specified in H.3.8 E |9 @/ h) q* g. G3 q0 X
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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?* D& d* O# r* L s
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2. 初级线要加绝缘套管吗?或加marign tape 吗?: B8 c$ t4 q8 y
( G5 W8 n' K/ {/ e+ J# E7 u3. 初级与初级间(或次级与次级)( _: s. g1 S' a8 G
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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