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1)变压器 cross over tape 是怎么弄的，起什么作用？ c( n0 y% ^0 q& d( C! J
60950那个条款有要求到cross over tape
2 V6 V, d- e/ ?& S5 \5 S2)如下这段话该怎么理解？
" Y4 V* \: W% s2 G% L$ r$ |; tPer UL60950; K9 R0 u3 B) i8 s9 [/ S! e" }3 S3 p
2.10.5.12 Wire in wound components
6 c }9 F: B& ?) d2 `Where two winding wires, or one winding wire and another wire, are in contact inside the wound
9 N/ @" H* [$ H& g
6 k: o: d4 C) o9 e; P) b3 ncomponent, crossing each other at an angle between 45° and 90° and subject to winding B4 i1 Q5 q# @( ?( t$ Z0 ~- }
7 R6 X2 h( G8 x" k8 `/ |2 I) z2 |tension, protection against mechanical stress shall be provided. This protection can be
0 y. ~8 z5 D7 N! m$ k( U! ~
2 h L0 V& F+ f( o/ _! C5 w0 aachieved, for example, by providing physical separation in the form of insulating sleeving or
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* {2 p: D: T) W5 H; q6 E3 s8 Gsheet material, or by using double the required number of insulation layers. |
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发表于 2010-1-26 17:45
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