|
引用第7楼liao_yl于2008-06-04 09:01发表的 :
0 `( w* ?7 c0 d2 v6 jR/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~~ T1 ?+ g$ i, Y9 C. f9 l1 u1 e/ v
" o% E! d+ v3 [6 P( j
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
- w( L4 B7 o# M) ]5 l7 p" p& V1 \8 ]- Y/ [2 v! s
– BASIC INSULATION: two wrapped layers or one extruded layer;
1 F4 y; d# |7 J9 ]% I: E– SUPPLEMENTARY INSULATION: two layers, wrapped or extruded;
. h8 s/ k9 Y4 ]0 |1 p u( |3 K– REINFORCED INSULATION: three layers, wrapped or extruded. |
|