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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
) j6 ]/ i+ S; F7 `# L7 D山炮 发表于 2012-2-7 12:57 
" n# a p' |! p$ Q有这个: 8 Y$ a: i* N9 I7 E6 b# U0 p
( {5 y4 F' @9 x2 [& Z0 N5 V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。
~ [: j' |) o R$ E' l& @( L29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for5 p% O6 a: b4 ^# u
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of
8 R4 Q. W5 i8 B/ dmaterial and reinforced insulation of at least 3 layers.5 |4 A# R- S! Q( w; W u# y, _
+ V* @$ a# g1 @- @ z x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?1 Y! Z2 M! _+ P3 X
an assessment of the thermal quality of the material combined with an electric strength6 X+ I/ B/ q) r& u
test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a6 k* R. {' m- Q* n: a) Y' S
single layer, measurement in accordance with 29.3.Z1.
K X/ q1 D( G5 u: C$ t5 t" r6 u
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