|
|

楼主 |
发表于 2012-2-9 10:16
|
显示全部楼层
本帖最后由 lele11 于 2012-2-9 10:26 编辑 " c) c9 p+ ?- b, w$ ]3 p6 w! U
山炮 发表于 2012-2-7 12:57 5 S' u+ }* z, S% q* A% L
有这个:
{6 b& K- I3 q8 n7 e! R! {* R
2 ?! ]( S: N# y9 i5 R- X# d0 o3 m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 p" X. {- ?# V, @* J# B
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
1 L6 C& [4 G2 Y5 m6 Q5 Usupplementary insulation. Supplementary insulation shall consist of at least 2 layers of J: {: e0 W3 s4 \, k0 L" @2 q+ v4 ]
material and reinforced insulation of at least 3 layers.
- `; _$ k3 d. Y4 V$ o. X( l1 u& |
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?
K6 E! q x) Qan assessment of the thermal quality of the material combined with an electric strength
8 r- T9 u7 _! Ftest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a& v% h, m) E' f9 ~7 Y- ?
single layer, measurement in accordance with 29.3.Z1.2 M* _. D7 J8 R' V6 Q7 o0 r
* S. a7 J, s! Y) b. u |
|