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发表于 2012-2-9 10:16
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本帖最后由 lele11 于 2012-2-9 10:26 编辑 7 p! B6 N; o5 B" |8 X# O. g
山炮 发表于 2012-2-7 12:57 
0 i; Q0 v3 p8 A0 O; K! R' D4 i- M有这个: ! r5 y. R2 w( A7 @6 m
" p/ a6 E6 ?( W# W山炮,打耐压是外壳按加强绝缘打就行么?按29.3.2每层都要打耐压的话,空气层我不知如何打。
0 G- _+ }3 N/ t2 Q7 l3 \* A9 @29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
! _4 w( A r. c) w! nsupplementary insulation. Supplementary insulation shall consist of at least 2 layers of: f+ Q+ X2 N B7 N
material and reinforced insulation of at least 3 layers.
, \( F; j8 V! B' @: k( E# O% `" i% f+ f3 E
另外,是否得按如下这条,符合29.3的材料dry heat 测试,及固体绝缘材料仍按表格符合一定的厚度。但这个要求的前提是‘single layer',我们的固体绝缘加空气是否不算single layer?( {. ]2 p( A: \. B! b
an assessment of the thermal quality of the material combined with an electric strength
( d3 h7 \+ G2 U' I% P! V( s- z' D) f% Atest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a; j: |$ U: d2 t6 m4 V3 g( y4 @
single layer, measurement in accordance with 29.3.Z1.
. x" H( U. u8 T8 C$ P' t5 Q9 x2 ^$ {$ M' q$ Z
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