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UL60950:7 D. C! m6 F- ]; l, z6 ~ j
Where two winding wires, or one winding wire and another wire, are in contact inside the wound% h6 b- k O) p, F* O" {8 |. G
component, crossing each other at an angle between 45° and 90° and subject to winding
( I3 h+ ~- p1 {* f2 ^% Etension, protection against mechanical stress shall be provided. This protection can be
+ z" P! T" B) ^0 Iachieved, for example, by providing physical separation in the form of insulating sleeving or* z/ h- N, w1 x$ F; d! X$ o
sheet material, or by using double the required number of insulation layers.3 m7 J5 A0 d4 c
: ^6 @) @" A0 Q! R, ~4 j# ZUL60065! L0 D' d9 S: e1 p6 I. Z; e. o h
where two insulated wires or one bare and one insulated wire are in contact inside a wound
1 N5 I/ |+ K6 x9 G2 u0 ?& m+ pcomponent, crossing each other at an angle between 45° and 90° and subject to winding
, f1 I0 e. B" s* N" ^% r N& o! itension, protection against mechanical stress shall be provided. The protection can be achieved
/ Y& A. w. x" Qby one of the following:
' @$ T0 I" ]: k r0 a8 O# J• physical separation in the form of insulating sleeving or sheet material or using double, J/ L3 C) K+ I% E& @: u+ \3 c& b
the required number of insulation layers, or the wound component meets the requirements of 8.18.) N. ]% R! A. Q# m/ A
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
( q; Y ?7 P, ddielectric strength test as specified in H.3.' F; @8 E' {( G9 w- m; r" @6 x
) j8 B- ?1 T5 @! J7 @6 Y$ R* u6 U
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?' ~2 r3 }2 w+ G$ ?0 I ?& ^
0 S8 f3 p E/ i9 S3 K4 u _1 z 2. 初级线要加绝缘套管吗?或加marign tape 吗?5 R X- j. o- V* L7 N3 ~) E* b
$ _/ b! t4 X# O5 P& F9 K3. 初级与初级间(或次级与次级)
3 u0 g+ v1 }, y) m. s- B相交45-90度,算是标准说的那个情况吗? {3 L% |- b$ ^( Z3 }# i3 L
1 q0 z: g* e: K( D4. 什么时候变压器次级三层绝缘线前面那段要加绝缘套管?' B7 P+ k' Q2 S3 p! M; B! ]2 c
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