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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
+ ~" @0 H' j j3 a E7 c山炮 发表于 2012-2-7 12:57 
# M9 O& F. w' F* y有这个: , ]& c. i! {4 g) X
( G* V3 F) B, S# l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 U& |% q" M" p3 ?4 t4 q5 ?29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for; l, a. Q' E5 ]& S; U& D9 o8 N7 h
supplementary insulation. Supplementary insulation shall consist of at least 2 layers of& {& T% j1 r. m) b. X @
material and reinforced insulation of at least 3 layers.
/ _ l3 k8 g5 I8 w5 M" U5 E& E0 e8 v/ ]5 J/ h% ]8 c/ 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?2 H! s- L9 Q3 A' i, j8 W
an assessment of the thermal quality of the material combined with an electric strength
, ^: \3 ^3 V3 S/ ~test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a/ m8 s; H* X* b& `$ |
single layer, measurement in accordance with 29.3.Z1.
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