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引用第7楼liao_yl于2008-06-04 09:01发表的 : ! z; @* J3 }+ v- l" x
R/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~~
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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8 s6 y) S5 a; n- A: }% {# K! r
) r' p, z0 \4 v/ t2 c& r9 V– BASIC INSULATION: two wrapped layers or one extruded layer;
. f2 q; p' Q! O( y– SUPPLEMENTARY INSULATION: two layers, wrapped or extruded;0 E: m9 e3 Q2 k- W! A/ _+ Z; }
– REINFORCED INSULATION: three layers, wrapped or extruded. |
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