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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 q N; u5 |* F+ J, \山炮 发表于 2012-2-7 12:57 5 a- O0 K8 P' d$ Z/ l1 n0 p
有这个: ' g5 @! B3 c% D5 q9 P0 @: j
. r! w C2 y) L; U' d- V* r: 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。
7 d$ W& ?# E4 j" H29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
; a* v3 Y" K- ~% T8 v6 gsupplementary insulation. Supplementary insulation shall consist of at least 2 layers of
# q0 R o4 N/ H" t( E2 x2 xmaterial and reinforced insulation of at least 3 layers.! K- l9 p9 `* u4 R
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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?
3 t, q9 g. z8 l8 S: C; y" O L6 D! m- oan assessment of the thermal quality of the material combined with an electric strength
' S5 b7 |. O' t# E: d- ?test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a# |4 S ~" I4 s
single layer, measurement in accordance with 29.3.Z1.
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