ASTM D2275固体电绝缘材料表面对局部放电(电晕)的耐电压性标准试验方法
日期:2012-02-10 10:39
of the more commonly met conditions of corona attack so that materials may be evaluated in a time that is relatively short compared to the life of the equipment. As with most accelerated life tests, caution is necessary in extrapolation from the indicated life to actual life under various operating conditions in the field.
The failure produced by corona may be due to one of several possible factors. The corona may erode the insulation until the remaining insulation can no longer withstand the ap
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