距离保护的CA相阻抗继电器采用0°接线,其输入电压为CA相线电压UcA,则其输入电流应为( )。
发布时间:2026-05-06
A.AC 相电流之差ia-ic
B.A相电流ia
C.C相电流ic
D.CA相电流之差ic-ia
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