Based on the comprehensive analysis of the application status and the existed problem of traction line fault location, the thesis present a new fault locator principle based on distributed parameter.

本文分析总结了现有的国内外故障定位的理论与技术以及存在的问题，并在此基础上提出了基于分布参数的牵引网故障测距原理。

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By building an appropriate model, the fault location in power distribution network based on the fault overcurrents is transformed into a nonlinear global optimization problem.

通过建立适当的数学模型，基于故障过电流的配电网故障定位变为一种非线性全局寻优问题。

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Transmission line fault location is an important problem in electric power systems.

输电线路故障定位一直是电力系统急需解决的难题。

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