[单选题]中性点直接接地系统中发生A相接地短路,已知短路点的A相电流有效值等于3A, 则短路点的负序电流有效值等于()。(每题0.5分)(0.5)
发布时间:2025-11-29
A.1
B.3
C.9
D.0
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