原网络节点增加一接地支路,节点导纳矩阵如何变化?( )
发布时间:2026-04-18
A.节点导纳矩阵阶数不变,只有自导纳Y;发生变化
B.节点导纳矩阵阶数不变,互导纳、自导纳发生变化
C.节点导纳矩阵也增加一阶
D.节点导纳矩阵减少一阶
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