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UL60950:
8 D% L( z9 n) V- SWhere two winding wires, or one winding wire and another wire, are in contact inside the wound
O4 C+ b/ p& `7 [5 I$ Tcomponent, crossing each other at an angle between 45° and 90° and subject to winding
Y& _) |( [4 m, ?: J+ r# ntension, protection against mechanical stress shall be provided. This protection can be d; a) z4 g; q9 G" _9 |; P
achieved, for example, by providing physical separation in the form of insulating sleeving or
4 q8 _. S) {0 c1 O. Z. csheet material, or by using double the required number of insulation layers.7 K* J n9 |8 }( Q/ }$ a$ A$ q
, o3 k4 [& W ]3 G! v$ ZUL60065
, l d3 i( x' ?, U U$ g' T where two insulated wires or one bare and one insulated wire are in contact inside a wound' n( b. q% |" J7 Q' k; _- S
component, crossing each other at an angle between 45° and 90° and subject to winding6 D: M0 Q6 o! g) j+ G2 b1 l
tension, protection against mechanical stress shall be provided. The protection can be achieved" d0 A- m, l- ?2 V5 T% M4 J# y' O8 c
by one of the following:9 p b `: O+ w/ O- A9 H
• physical separation in the form of insulating sleeving or sheet material or using double- u. N' t' |8 |6 y& q9 C) k
the required number of insulation layers, or the wound component meets the requirements of 8.18.( Z. `$ l5 s# E) f3 y1 _$ y6 t- p
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
( b8 ~! E/ b# ?) X4 ldielectric strength test as specified in H.3.) z2 m1 x3 n% E# C! a+ g& H0 v
7 E& z6 C; v7 o5 p( |* t5 ^
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? B# p. h. K1 _0 P3 X3 C
& b, l. ^. L% f/ ^$ {; l& x 2. 初级线要加绝缘套管吗?或加marign tape 吗?
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/ D4 ~9 B; v+ W/ D# E) v- p3. 初级与初级间(或次级与次级)
6 j; V* b! k9 y# k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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