标题: 关于电气间隙增加0.5mm的讨论 [打印本页] 作者: ylgc123 时间: 2015-11-16 10:13 标题: 关于电气间隙增加0.5mm的讨论 29.1 部分节选:if the construction is such that the distances could be affected by wear, by & w# y( x" ^7 k N+ f- I hdistortion, by movement of the parts or during assembly, the clearances for rated impulse 3 q+ H1 L8 e6 m1 fvoltages of 1 500 V and above are increased by 0,5 mm and the impulse voltage test is not 1 u2 d, E1 M& G! v& G4 B, k* V Dapplicable. + E m! u$ |! b- I5 z4 C2 y% H6 C! N4 q, Q' ^( @3 P( F3 T- s/ m0 d' @7 q$ Z. @
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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。 1 l5 p: y3 U8 J, r在实际操作中,大家如何定义"距离受磨损、变形、装配等影响".% B5 z/ ~6 j8 i, Y$ M& A0 ]$ `