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29.1 部分节选:if the construction is such that the distances could be affected by wear, by- @" q! n' Q5 H6 P
distortion, by movement of the parts or during assembly, the clearances for rated impulse
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3 G) ^* a5 N5 M$ Y2 m* P标准中说假如距离受磨损、变形、装配等影响时,1500V脉冲电压或以上所对应的电气间隙需要增加0.5mm。0 f1 V* ?7 k! R( Y3 j- m5 D4 j! h
在实际操作中,大家如何定义"距离受磨损、变形、装配等影响".
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目前由于是宁可杀错不放过的态势,脉冲电压1500V以上都增加了0.5mm,我想听听大家是怎么操作的?- K6 e: {' G5 P [8 J& _
注 PCB线路板整体灌胶.
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