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 题目分类:发输变电专业知识 题目类型:单选题 查看权限:VIP 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. 参考答案: 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 分类:发输变电专业知识 题型:单选题 查看答案
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In Paragraph 3, "We gave London to each other" probably mea In Paragraph 3, "We gave London to each other" probably means__________.A.our e 分类:发输变电专业知识 题型:单选题 查看答案