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引用第7楼liao_yl于2008-06-04 09:01发表的 :
% r, D) Q( H7 D7 w& ^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~~ 8 G3 C5 Q9 K9 j' h" W/ X) q
" N9 N: a7 [) P7 X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 F" t3 V: E- F- z# d
1 O+ z4 I& |8 J3 @* X- \/ \– BASIC INSULATION: two wrapped layers or one extruded layer;
; [3 ]$ _$ I D4 H– SUPPLEMENTARY INSULATION: two layers, wrapped or extruded;9 }2 {. s* s' f
– REINFORCED INSULATION: three layers, wrapped or extruded. |
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