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引用第7楼liao_yl于2008-06-04 09:01发表的 :
0 ?* J7 w2 U4 s3 g5 y2 C& KR/I: "A single insulation system which provides a degree of protection against electric shock equivalent to D/I under the conditions specified in ehis standard."变压器中使用的三层绝缘线应该就是这种了~~ $ o/ m/ n5 f9 `3 o* e" i
7 z( l1 Z" W! R$ T; a0 ?1 G7 \2 W三層絕緣線是屬於2.10.5.4 Wound component, 與R/I的定義有些許不同" b9 t7 l4 p& s! L4 {3 j$ @" V
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– BASIC INSULATION: two wrapped layers or one extruded layer;
$ y5 s, \6 _% o, u x5 e% b: o– SUPPLEMENTARY INSULATION: two layers, wrapped or extruded;7 Z; L1 a/ E% {* ^& c4 _
– REINFORCED INSULATION: three layers, wrapped or extruded. |
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