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UL60950:* H* U( Y2 W9 Z2 w+ K2 s! B" n
Where two winding wires, or one winding wire and another wire, are in contact inside the wound) B% j) C% r; T
component, crossing each other at an angle between 45° and 90° and subject to winding( F( B% [! V0 n- z. n
tension, protection against mechanical stress shall be provided. This protection can be
/ S* q2 s4 [4 S1 x1 W9 h6 |2 Fachieved, for example, by providing physical separation in the form of insulating sleeving or
5 T& Z. u4 @0 f' bsheet material, or by using double the required number of insulation layers.3 B: y( J7 w3 X f" V/ i4 }) L
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UL60065+ X* c. v, T" C' r( e
where two insulated wires or one bare and one insulated wire are in contact inside a wound
7 k" m" O2 t9 E' dcomponent, crossing each other at an angle between 45° and 90° and subject to winding" H% i" ^9 _% B- `
tension, protection against mechanical stress shall be provided. The protection can be achieved
7 O# A( {# r% h& C5 `! E' j4 K7 Z4 T2 Sby one of the following:+ X) z* d/ {$ u6 O# \
• physical separation in the form of insulating sleeving or sheet material or using double7 R6 b2 g! O% M1 x
the required number of insulation layers, or the wound component meets the requirements of 8.18.! r: M6 w1 i5 ]+ s
– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine
7 Q5 w* X7 A0 Y* V7 L4 \: O( C8 Fdielectric strength test as specified in H.3.! ]* M1 @4 h" D: G' x3 b% L& @
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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?% f8 `' a8 D8 u/ M
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3. 初级与初级间(或次级与次级)
6 H1 `' e3 W9 P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?
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