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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
" \- W( `+ M# C# `; J! u- M( Z山炮 发表于 2012-2-7 12:57 ( z4 i* v9 O7 W
有这个: 4 c6 w9 h g! g0 S* Q
9 p& }, P' C1 g3 ]; k2 A! r9 s: u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。3 S8 f& H' t }5 R C
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for2 N0 M' z& K& }, j& u/ X5 |
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of
4 R4 n' u3 Z& qmaterial 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?6 h' f/ d) u8 w$ [5 y; R
an assessment of the thermal quality of the material combined with an electric strength* R$ d6 C i; _. d' b5 O" \& B
test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a0 r4 d$ F! I: u' O' K" H/ s
single layer, measurement in accordance with 29.3.Z1.
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