试题与答案

某500kV双回架空线路的潜供电流为13.3A，潜供电流的自灭时间等于单相自动重合闸

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题型：单项选择题

题目：

某500kV双回架空线路的潜供电流为13.3A，潜供电流的自灭时间等于单相自动重合闸无电流间隙时间减去弧道去游离时间，请问无电流间歇时间应为下列哪项数值？（采用经验公式）（）

A.0.58s

B.0.78s

C.1.0s

D.1.23s

答案：

参考答案：A

考点：注册电气工程师发输变电专业注册电气工程师发输变电专业2009年（上）专业知识真题
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