| 计算超高压长距离交流输电线短路故障的新方法 |
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| 引用本文： | 郑希兰,贺家李.计算超高压长距离交流输电线短路故障的新方法[J].天津大学学报(英文版),1996(2). |
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| 作者姓名： | 郑希兰 贺家李 |
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| 摘 要： | 计算输电线短路电流和电压的瞬变分量，本文提出了一个实用且可达任意精度的新方法．能找到高阶特征方程的根，避免了形成和求解方程的复杂过程．该方法使用简便，对庞大复杂的电力系统尤其如此
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| 关 键 词： | 长距离输电线，瞬变分量，传输矩阵，输入阻抗 |
NEW METHOD OF CALCULATING SHORT CIRCUIT LONG DISTANCE EHV AC TRANSMISSION LINES |
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| Institution: | Dept. of Electrical Engineering and Automation |
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| Abstract: | In this paper a practical but sufficiently accurate method of calculating transient components in short circuit currents and voltages is proposed. It enables to find the roots of the characteristic equation of high order without forming and solving it. This method is convenient to use especially in case of complicated expansionary power systems. |
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| Keywords: | long distance transmission line transient component transmission matrix input impedance |
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