For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.
对于全并联直接供电牵引网短路故障，采用两相对称分量法，分析电路特征，得到短路阻抗表达式。
Considering the mutual flux linkage of parallel lines, this paper presents a general method for update computation of the impedance matrix.
在计及并联线路互感的情况下，提出了一种节点阻抗矩阵修正计算的通用算法。
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