[单选题]某 110kV 电网采用变压器中性点经消弧线圈接地,当电网发生单相接地故障时,消弧线圈的核心作用是( )。(每题0.5分)(0.5)
发布时间:2025-12-01
A.补偿接地电容电流,熄灭接地电弧
B.提高电网电压,改善供电质量
C.限制短路电流,保护断路器
D.消除潜供电流,提高重合闸成功率
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