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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 ; D5 y! w2 [8 q6 g6 L( s2 a1 |
山炮 发表于 2012-2-7 12:57 
/ r' H4 f/ _- A* t/ K) \有这个: : T, E- O8 [1 o5 L- z
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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。
: B8 c* |! P9 e$ M6 Z8 P29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
- F4 h- N; p+ X9 H( Tsupplementary insulation. Supplementary insulation shall consist of at least 2 layers of+ ?! y, s- e/ x9 U9 Y
material and reinforced insulation of at least 3 layers.7 p* X# T& `3 h2 d( u
5 F. I/ W8 f: r6 _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 W( z- h T+ Q) Y
an assessment of the thermal quality of the material combined with an electric strength
! V9 O( \" u5 [; E# A( s! f* n8 \test, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
! z, T' g! b: T7 S: w4 isingle layer, measurement in accordance with 29.3.Z1.
! b' f+ i! N d- {. G2 C( i9 ]# V3 K6 @/ ]5 V& Z% a+ a8 M" e1 k
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