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UL60950:
' f$ N4 V) U/ A, p Y; a6 O! G0 }Where two winding wires, or one winding wire and another wire, are in contact inside the wound
T! \2 t; l& v" s& z m8 u: Ecomponent, crossing each other at an angle between 45° and 90° and subject to winding! [/ b q9 \+ f& _( H1 L& j- Q
tension, protection against mechanical stress shall be provided. This protection can be
- B2 M. d: p+ v7 M+ v wachieved, for example, by providing physical separation in the form of insulating sleeving or. a; f1 y- l6 T4 U, ~' j3 | Y
sheet material, or by using double the required number of insulation layers., n, R; |, G3 M% K; d- k
- r8 [- O j3 @1 W; e& `. b0 QUL60065# j0 I: P( R u% y- X! B
where two insulated wires or one bare and one insulated wire are in contact inside a wound
: Y0 _( B* t4 D# M: G, I! y8 u6 X* g4 [component, crossing each other at an angle between 45° and 90° and subject to winding
z+ E. h/ p+ `7 @2 ?tension, protection against mechanical stress shall be provided. The protection can be achieved2 y T6 j) s4 W7 q3 H6 p9 f
by one of the following:
3 K8 A0 R/ J* I& i* Z! d• physical separation in the form of insulating sleeving or sheet material or using double( U; N( \: w; y/ d8 ]
the required number of insulation layers, or the wound component meets the requirements of 8.18.
. |/ V* O R6 [9 R4 y( ^– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine0 ?: c" i& c+ {0 E4 i f6 ^0 d
dielectric strength test as specified in H.3.7 I# A5 ? `- d x- R& E8 q: q# l
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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?
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2. 初级线要加绝缘套管吗?或加marign tape 吗?. s8 m/ X0 ?* Q; Q6 T
; W/ a* Y; ~' [3. 初级与初级间(或次级与次级)
0 t( D h9 F# w5 Y相交45-90度,算是标准说的那个情况吗?$ `/ {& r8 S9 M3 A
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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?2 m, j: V- c5 _ J K
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