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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 4 M E, w# C4 [& a$ y3 q+ a
山炮 发表于 2012-2-7 12:57 
( q8 S& A2 \1 K2 q% c( a% M) Q有这个: 2 T( H8 g" p* a0 w0 o8 r
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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。9 s" G' n; k$ X1 i9 f, Q; b
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
1 y+ y1 h3 I! Y7 v) v: r3 asupplementary insulation. Supplementary insulation shall consist of at least 2 layers of/ g; B- b6 k8 S% i
material and reinforced insulation of at least 3 layers.
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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?
?! Y" a" ?* Q3 can assessment of the thermal quality of the material combined with an electric strength
+ o6 z: S; z+ ctest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a. |9 o+ T$ \7 q t) Y: k
single layer, measurement in accordance with 29.3.Z1.2 S' g6 P$ n+ \) Q/ C0 a
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