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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
5 s5 C, \0 Z, z C山炮 发表于 2012-2-7 12:57 
, b t/ A2 z5 N4 }/ e8 H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。 i% B% H. Q0 l0 \+ ~; n
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
0 _1 N r* I$ x6 M6 A8 qsupplementary insulation. Supplementary insulation shall consist of at least 2 layers of6 X! i6 O: N$ N" A6 y' O0 J
material and reinforced insulation of at least 3 layers.
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6 j4 A' _' x9 {1 E: f0 U, r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 F* c3 s( Ean assessment of the thermal quality of the material combined with an electric strength
, y. Y/ i( L, v6 E8 h, btest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
- b- F8 `5 B9 \( c& N4 m* tsingle layer, measurement in accordance with 29.3.Z1.% _# a3 ~0 P; }
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发表于 2012-2-24 16:36
