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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 : z" s2 }# t ?
山炮 发表于 2012-2-7 12:57  0 @ p2 z4 K5 x+ K0 \
有这个：
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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。
, D. _" |5 _" q: j% O) |0 e7 y, t29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for+ `( c9 d& E0 q0 ^
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of; O/ C2 `! s. N1 O e* B
material and reinforced insulation of at least 3 layers.% X! X; w; n/ H( b/ \7 n- e
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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?! R- u: [& n2 P( n! c1 S
an assessment of the thermal quality of the material combined with an electric strength3 f% w4 l' L0 }
test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a, ~( S5 g; I% f2 j, }
single layer, measurement in accordance with 29.3.Z1.
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发表于 2012-2-24 16:36
