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UL60950:; G. ]. Z- f8 ` o
Where two winding wires, or one winding wire and another wire, are in contact inside the wound
8 v6 f" w! s& C7 L4 qcomponent, crossing each other at an angle between 45° and 90° and subject to winding2 M- v( y( l* v; z) S
tension, protection against mechanical stress shall be provided. This protection can be
% i5 S3 n& }) M- T/ o0 k5 @achieved, for example, by providing physical separation in the form of insulating sleeving or
1 X8 p3 O( J0 I- M/ x3 e( \; |5 f) Vsheet material, or by using double the required number of insulation layers.
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1 n2 g0 U2 C4 T, i% o; W* I7 tUL60065
: T% t5 n5 Q, J: ]7 K where two insulated wires or one bare and one insulated wire are in contact inside a wound
! {% q- m$ }/ ?component, crossing each other at an angle between 45° and 90° and subject to winding4 o4 R% k! [# j- J% K
tension, protection against mechanical stress shall be provided. The protection can be achieved
: c* z" U6 I' Z( x, ]; b5 Q! B6 aby one of the following:. G1 e3 F7 Y; t# _2 Y* j. N. _
• physical separation in the form of insulating sleeving or sheet material or using double
- s: Q9 r4 L' V; d& Ithe required number of insulation layers, or the wound component meets the requirements of 8.18.6 P, R& b; t n, s5 D) m
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
" G$ U$ }$ e. R- p6 B, V0 E" V4 K8 ?dielectric strength test as specified in H.3.
+ J+ Y* F; B9 Q3 k# w2 a1 ?
& L5 b2 o5 e( Q& ]9 E0 f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?& C& b5 C0 h. ^
$ u3 R2 b# C3 f3 A9 d& q: p/ W 2. 初级线要加绝缘套管吗?或加marign tape 吗?1 |: C1 ^5 Q# ]6 g. x
, m" `0 Y W' q0 s) r) Y3. 初级与初级间(或次级与次级)
- Q# \& a# i" x/ ?" T相交45-90度,算是标准说的那个情况吗?& p0 o8 L; s6 w1 V, p
" g, {6 g8 `9 x8 E5 y3 I5 ~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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