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UL60950:
( U( f; S9 J4 Z* a2 t# {- LWhere two winding wires, or one winding wire and another wire, are in contact inside the wound
. _% ?$ n& N# y) w& K. ^component, crossing each other at an angle between 45° and 90° and subject to winding) z8 A4 c7 |+ r
tension, protection against mechanical stress shall be provided. This protection can be
0 U3 a' p) O/ l% }& ?8 [achieved, for example, by providing physical separation in the form of insulating sleeving or8 ]8 |! M5 d: i
sheet material, or by using double the required number of insulation layers.
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UL60065+ _2 Q/ q' B/ R, V, V
where two insulated wires or one bare and one insulated wire are in contact inside a wound
+ h+ H* l( Y$ B& ycomponent, crossing each other at an angle between 45° and 90° and subject to winding6 I, E. }6 P4 P, S/ b" Z
tension, protection against mechanical stress shall be provided. The protection can be achieved1 k3 q/ u8 l9 i1 {0 k* h
by one of the following:
% C& e4 U9 E: R$ w' H• physical separation in the form of insulating sleeving or sheet material or using double
! c/ ]' a0 w8 }& R. k9 Nthe required number of insulation layers, or the wound component meets the requirements of 8.18. C* [* a7 N$ P' R0 X
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine9 n) Y. Q/ V8 B! y- X
dielectric strength test as specified in H.3.1 @ A+ ^, ^) A. p
7 |& [) P" X% } R( r& i& n& p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?1 P/ i1 I8 [4 r" P t' A# m
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2. 初级线要加绝缘套管吗?或加marign tape 吗?1 ~$ ?4 Y8 U Q$ t( K
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3. 初级与初级间(或次级与次级)
- r# F# D( `6 R/ R3 v# M9 B. w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?* t- i3 x! r/ }- A# e9 ~# o' C
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