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UL60950:3 ~- C: v5 b, Y% k
Where two winding wires, or one winding wire and another wire, are in contact inside the wound
* _, T" [( A$ A6 zcomponent, crossing each other at an angle between 45° and 90° and subject to winding
/ R8 L" }3 C$ D7 ~tension, protection against mechanical stress shall be provided. This protection can be
# Z- z9 d3 c& d y2 f9 Lachieved, for example, by providing physical separation in the form of insulating sleeving or5 {/ R/ f" B8 h4 s3 z
sheet material, or by using double the required number of insulation layers., u k* V' |+ M# b3 ^2 J3 H, w
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UL60065
+ b: a" k+ ? L where two insulated wires or one bare and one insulated wire are in contact inside a wound
1 \& `3 `; y* }& u/ {2 ~component, crossing each other at an angle between 45° and 90° and subject to winding
# c5 x, g/ g$ M1 e' j7 J# htension, protection against mechanical stress shall be provided. The protection can be achieved
& u! R, n+ Z8 _3 s4 o. l* ?by one of the following:5 i6 r% Z- n; U# ?
• physical separation in the form of insulating sleeving or sheet material or using double
0 h0 H8 v' u/ I8 F) T# a$ w ^1 [: h0 ithe required number of insulation layers, or the wound component meets the requirements of 8.18.
1 K3 B' }6 o- A$ F5 l– the manufacturer shall demonstrate that the wire has been subjected to 100 % routine7 O0 U0 p! U3 p1 F: B3 h0 d
dielectric strength test as specified in H.3.
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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?' Y @- b6 M9 Q( a8 @6 ~
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2. 初级线要加绝缘套管吗?或加marign tape 吗?/ n" k, k4 {/ }4 M2 b8 y+ {$ ?
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3. 初级与初级间(或次级与次级)
% j; |! p8 q0 `$ J |& L2 F' F相交45-90度,算是标准说的那个情况吗?+ E) l5 Z' e2 I6 V1 n+ I
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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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