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UL60950:
+ \ v7 c3 \' l' H0 s `2 cWhere two winding wires, or one winding wire and another wire, are in contact inside the wound
F+ K+ D! u6 Z- B3 Ecomponent, crossing each other at an angle between 45° and 90° and subject to winding
$ R' [0 P5 e: u. }8 i" q3 N' Ftension, protection against mechanical stress shall be provided. This protection can be
+ \ u& L7 |6 ^achieved, for example, by providing physical separation in the form of insulating sleeving or
. W$ l, Z# j& J }( d3 v" O0 Jsheet material, or by using double the required number of insulation layers.$ z- k; w# Y6 o9 v
6 a# ]/ i# A/ A6 a; cUL60065
, d; Q% g- _& o% e! f% C where two insulated wires or one bare and one insulated wire are in contact inside a wound: L+ \+ o" p2 s% W0 ~- \$ S! p7 w
component, crossing each other at an angle between 45° and 90° and subject to winding! g; e$ M% R2 i
tension, protection against mechanical stress shall be provided. The protection can be achieved
4 W$ ]# z5 L! ]/ i6 h$ zby one of the following:
* I& F1 r; z6 ?- w( C• physical separation in the form of insulating sleeving or sheet material or using double
, X) V3 \3 J% e1 g! O( d$ {6 k9 hthe required number of insulation layers, or the wound component meets the requirements of 8.18.
/ r" a- C) _3 @6 T7 `/ z4 ?0 F– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
# w' X# m. e. h& D- xdielectric strength test as specified in H.3./ Z% y- H( j# @' p" c- q. b
5 w/ h+ T% X. _6 _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?' e9 P& {' z. ^1 K2 ]% L O
9 M! q8 A9 }2 p0 r: \# \# r W. @' E
2. 初级线要加绝缘套管吗?或加marign tape 吗?0 Z* k+ L& {) W7 b& ]" a. v
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3. 初级与初级间(或次级与次级): y! e; d4 `' N, H9 c
相交45-90度,算是标准说的那个情况吗?. @6 E$ K' ^. ~6 D8 `: Z4 k
/ ^4 T% P. |( r0 ^( ~! E6 A1 I" R4. 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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