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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
1 ?( v4 L6 y- q& G山炮 发表于 2012-2-7 12:57 1 o9 Z( \* t. L9 F6 j
有这个: " v; l; C, K9 @( P5 }
7 Y% j- s/ ^( _5 r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。! v. u2 n- p4 z w- C, W" `7 p
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
1 H: k$ {+ {% f* e. Psupplementary insulation. Supplementary insulation shall consist of at least 2 layers of
& y" V7 e" n6 zmaterial and reinforced insulation of at least 3 layers.
( g* y3 Y4 p u+ `/ B u' J3 c) a& M9 Y; a6 P, j" o
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?& O/ u% g7 I' Y$ g7 c3 T! _
an assessment of the thermal quality of the material combined with an electric strength
5 P' Y9 q0 u4 \5 x" M. Q) L: _9 otest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
$ a0 _3 _6 k. E1 E1 w7 Rsingle layer, measurement in accordance with 29.3.Z1.
3 |2 W$ d! `; N" v1 O* _6 G. r3 B. M. K
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