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29.1 部分节选:if the construction is such that the distances could be affected by wear, by( L2 B$ t) ]. e6 j
distortion, by movement of the parts or during assembly, the clearances for rated impulse
- W# U, x. A1 {- l- l9 Dvoltages of 1 500 V and above are increased by 0,5 mm and the impulse voltage test is not
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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。( E. j4 K) S6 O
在实际操作中,大家如何定义"距离受磨损、变形、装配等影响".+ X- b: }4 b. p9 g, ]; p- |
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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?
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