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Faulty phase selection for transmission line using integrated moving sum approach

机译：集成移动求和法的输电线路故障选相

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摘要

This study presents a transmission line fault classification algorithm using integrated moving sum (IMSUM) technique. The method is based on current signal only. In this method, the decision of moving sum approach-based fault detection unit is used in integration with the proposed method to obtain accurate fault class. Rules are set for all ten types of fault. Considering half cycle computed data from the instant of fault inception classification is possible. High-resistance far-end fault, close-in fault, fault at different inception angle and fault considering variable prefault loading conditions can be easily classified using IMSUM technique. Severe current transformer saturation and weak infeed conditions are also discussed. The method can also be applied to a series compensated line. Any variation in fault and system condition will not alter the decision period of IMSUM technique which is an exceptional attribute for a protective function.
机译：这项研究提出了一种使用综合移动和（IMSUM）技术的输电线路故障分类算法。该方法仅基于电流信号。在该方法中，基于移动和和方法的故障检测单元的决策与所提出的方法结合使用，以获得准确的故障类别。为所有十种类型的故障设置规则。考虑从故障起始分类的瞬间算起的半周期数据是可能的。可以使用IMSUM技术轻松地对高电阻远端故障，近距离故障，不同起始角度的故障以及考虑到不同的故障前负载条件的故障进行分类。还讨论了严重的电流互感器饱和和弱馈电条件。该方法也可以应用于串联补偿线。故障和系统状况的任何变化都不会改变IMSUM技术的决策周期，这是保护功能的特殊属性。

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