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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 . [, G0 Y# M& ]% \5 ]4 J% J- ~9 o
山炮 发表于 2012-2-7 12:57 " _; ^% B# x: A4 U$ m0 V. U
有这个:
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9 m! D- {1 W3 N+ h* x8 P$ K- o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。: s' R4 G* F" d% b4 {
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for; w& v" G* t) Q* E/ @4 R
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of
3 C/ n" Z4 G; e8 |+ @' v* lmaterial 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 ?$ N6 E8 n! r$ w1 B# ~6 Y
an assessment of the thermal quality of the material combined with an electric strength/ o8 r) b1 D6 A
test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a8 v- ~9 t, P; {& B2 v# N
single layer, measurement in accordance with 29.3.Z1.
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