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UL60950:
2 Y2 l* p2 b; MWhere two winding wires, or one winding wire and another wire, are in contact inside the wound7 S& Q, `8 v; w& R! B
component, crossing each other at an angle between 45° and 90° and subject to winding
% } }3 ^1 O$ Y+ }5 y4 ctension, protection against mechanical stress shall be provided. This protection can be
, l( V( D: D; L0 x( c; m+ s# {/ lachieved, for example, by providing physical separation in the form of insulating sleeving or* K& S1 M2 b; ]
sheet material, or by using double the required number of insulation layers.& o) i; H1 D3 Z7 f: \- `% Z
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UL60065/ U `# U7 i6 h! E; W
where two insulated wires or one bare and one insulated wire are in contact inside a wound
: K, ^$ g# N( w2 S' X, Icomponent, crossing each other at an angle between 45° and 90° and subject to winding
% K0 S( k6 _$ G1 m1 rtension, protection against mechanical stress shall be provided. The protection can be achieved
, V( T8 `+ H' U$ ?9 J2 X4 Z. gby one of the following:
; d- x/ }& y! r/ \• physical separation in the form of insulating sleeving or sheet material or using double
U, D( j) }4 [ M# Y- R1 Pthe required number of insulation layers, or the wound component meets the requirements of 8.18. i ? k0 c( ?& i$ p0 s9 B; {
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine: \/ J/ R9 m$ C6 V% m
dielectric strength test as specified in H.3.: I4 K' r/ r9 Z
3 \! }2 D' j3 F" W) l" M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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/ q1 w0 ` q3 u6 E, g+ O 2. 初级线要加绝缘套管吗?或加marign tape 吗?9 M' u: g" m2 |9 |0 [
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3. 初级与初级间(或次级与次级)+ C/ G& b7 [: u: ]- i% h9 @5 o$ k& J$ ]7 s
相交45-90度,算是标准说的那个情况吗?, m7 R/ O3 A4 i, E1 [
o! p; P* h) b4. 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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