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本文提出了一种使用高压输电线路两端电气量进行故障测距的新算法。该方法适用于多种信号形式输入，对两端电气量不需要进行坐标变换，且无真、伪根的判别困难，并对高压长线的电容充电电流进行了补偿。EMTP仿真结果表明，算法的原理是正确的，并具有较高的测距精度。
This paper presents a new algorithm for fault location using the electrical quantities at both ends of a high voltage transmission line. This method is suitable for the input of many kinds of signals. It does not need coordinate transformation on both ends of the electric quantity, and it is difficult to discriminate between true and false roots, and compensates the capacitor charging current of the high voltage line. EMTP simulation results show that the principle of the algorithm is correct, and has a high accuracy of ranging.