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引用第7楼liao_yl于2008-06-04 09:01发表的 : 2 i& s8 A/ \, [7 b9 h) A: N0 I
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 P4 `9 q+ d8 ~0 i
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– BASIC INSULATION: two wrapped layers or one extruded layer;3 Q! } D: A/ A9 p3 S; J1 Z
– SUPPLEMENTARY INSULATION: two layers, wrapped or extruded;
2 g* ^& N y( b! X! g. g– REINFORCED INSULATION: three layers, wrapped or extruded. |
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