单选题:某电厂220kV升压站站内接地短路时,最大接地短路电流为24kA,流经变压器中性点的最大短路电流为15.4kA,经计算该

题目内容:
某电厂220kV升压站站内接地短路时,最大接地短路电流为24kA,流经变压器中性点的最大短路电流为15.4kA,经计算该电厂接地装置的接地电阻为0.3Ω,如最大接触电位差系数为0.166,则最大接触电位差应为下列哪个值?(假设不考虑避雷线工频分流)(  ) A.286V
B.375V
C.428V
D.560V.

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答案解析:

发电厂、变电所中,屋外高压配电装置的最小安全净距A值是基本带电距离,其他安全净距是以A值为基础得出的,下列哪项安全净距计

发电厂、变电所中,屋外高压配电装置的最小安全净距A值是基本带电距离,其他安全净距是以A值为基础得出的,下列哪项安全净距计算是错误的?(  )A.B1=A1+75

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