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发表于 2015-1-14 14:54
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Nezof 发表于 2015-1-14 14:51 ! z2 [) M' O2 ]1 V7 H. v0 z. F0 t
之前的人用的是你上述的方法还是芯轴试验? ! q2 Q, W- ?: Y I: t; C( a
用的是这个data sheet 上描述的方法
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: @# ~2 \& F' m- Z% S% [- e& ^/ c( USamples of the insulating materials were placed between two opposing electrodes. The electrodes were [×] cylindrical brass [ ] stainless steel rods 6.4mm in diameter, with edges rounded to a 0.8mm radius. The upper moveable electrode weighed between 48 and 52 grams. The AC test potential of [X] 2500 V [X] 5000 V was then applied across the electrodes for a period of 1 second.) _& H6 y- j4 Q, ^/ \# o; q
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