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UL60950:
4 z, w u' m; U$ M- fWhere two winding wires, or one winding wire and another wire, are in contact inside the wound
a; x: W# u1 p$ F& `$ Kcomponent, crossing each other at an angle between 45° and 90° and subject to winding
4 ?; ]' j# M4 i) ltension, protection against mechanical stress shall be provided. This protection can be
3 J6 P& U- s* l' cachieved, for example, by providing physical separation in the form of insulating sleeving or) E) j' X0 L1 h
sheet material, or by using double the required number of insulation layers.! }+ R% r9 B* h/ E' x2 Y
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UL60065$ v% a) d; C3 O5 \1 _7 }
where two insulated wires or one bare and one insulated wire are in contact inside a wound
$ Q2 V8 @) j7 N# X; d. qcomponent, crossing each other at an angle between 45° and 90° and subject to winding
2 @% A* B) F3 btension, protection against mechanical stress shall be provided. The protection can be achieved9 ?( x* [# |' Z# U2 C
by one of the following:
2 [3 n+ O) U9 q1 Y0 }" G" |• physical separation in the form of insulating sleeving or sheet material or using double. @6 m" c# w0 l
the required number of insulation layers, or the wound component meets the requirements of 8.18.
3 c1 r3 ?! K" H: |& O! h/ _+ D– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
" N/ F) e3 J( a7 ^/ s3 Odielectric strength test as specified in H.3.
5 D6 _1 u! N* W) k
2 w6 O, @, L" r- O9 L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?+ P$ q' I# ~7 r# X; e
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3. 初级与初级间(或次级与次级)
5 O0 C( D2 b7 M1 E9 m9 y# p' y( ~相交45-90度,算是标准说的那个情况吗?& a% ]* p/ o; ^
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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?" Q& z* Z! w, U2 U% {6 y
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