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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
3 i" W3 Q' w1 |% J% E( `山炮 发表于 2012-2-7 12:57 
$ H3 N$ V0 x3 j. q有这个: - i+ l; w$ |7 x" z; H& o6 Y
( `0 `3 c# N# [+ T3 S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。
; i' k( }& [; D* D: A+ M- M2 V29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
; J( M i1 B j0 |' B7 Esupplementary insulation. Supplementary insulation shall consist of at least 2 layers of% U0 q1 z2 N) d
material and reinforced insulation of at least 3 layers., S( ], v+ e7 j3 F: T
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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?
2 ? z4 N7 `* J4 N$ H. Y1 E2 oan assessment of the thermal quality of the material combined with an electric strength
3 X: f. }* [! F: Ztest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
; E+ D$ C9 b# E9 Isingle layer, measurement in accordance with 29.3.Z1.
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