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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 $ e, v3 N4 s- J. Q) n
山炮 发表于 2012-2-7 12:57 9 m1 Z' z# d8 _5 ?# f
有这个: 4 F9 _9 M$ t) `" C E& ?
$ ]6 @; n3 X8 P6 [# ~' ~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 M8 Z! @; o2 X; g
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for0 O' i( E; f6 L# k- B# J
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of
. M+ p5 m& U. F# B% N vmaterial 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?9 D' j, U! V3 ~$ P
an assessment of the thermal quality of the material combined with an electric strength, m. s, N( m; ?% J: C N! A
test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
% I0 `( Z- L% L/ ^' ` E* D( ]single layer, measurement in accordance with 29.3.Z1.
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