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引用第7楼liao_yl于2008-06-04 09:01发表的 :
4 m& E' r X& z+ B7 UR/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~~ , j1 @; x% T& ~* G/ U
2 u# t P7 }/ g1 ]& @2 ~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
5 \+ v5 F/ @9 u0 V+ {! x$ `% v6 p4 R% q$ L& O3 W, `
– BASIC INSULATION: two wrapped layers or one extruded layer;7 V( `; P; S4 C- A( {
– SUPPLEMENTARY INSULATION: two layers, wrapped or extruded;
: k* M, {/ C+ L$ e7 f– REINFORCED INSULATION: three layers, wrapped or extruded. |
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