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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 6 D5 r5 w( u' Q) r5 r7 Q
山炮 发表于 2012-2-7 12:57 , l4 w4 u* F2 E5 e9 \
有这个:
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4 g% k8 n: N8 z9 A- }5 ^; _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。
7 u, R5 k8 h2 k7 a& m |29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for4 i1 ~. y$ X) s2 \/ {% `# S: w
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of+ @# S6 h) z- i# g5 K' o# B3 w& t7 B
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?; k. w2 O2 x! t* w7 @: Y r/ J
an assessment of the thermal quality of the material combined with an electric strength
: W0 G9 w0 z4 F3 Atest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a' }, R0 P( I' Y$ d1 p
single layer, measurement in accordance with 29.3.Z1.
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