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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
7 j7 w8 b: V+ Y2 `) ?山炮 发表于 2012-2-7 12:57 & x6 u# D( W6 y7 x) |
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。" \3 D- g$ _' V3 k& d( o( f) P
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for% W( [+ R3 X( J y: V
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of
/ {3 y Q$ e4 Z3 g! i6 S" ematerial and reinforced insulation of at least 3 layers.1 X) P4 X# X* m4 X, |
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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?) S' @% V8 D$ n+ m8 i; V. {/ X
an assessment of the thermal quality of the material combined with an electric strength: {! Y! M4 u6 c! U
test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
4 u6 E& \3 [9 C0 b0 h. M/ ~single layer, measurement in accordance with 29.3.Z1.* x P6 |- y: h4 D' W
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