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曾祥君

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Fault Location Using Traveling Wave for Power Networks

曾祥君Zeng Xiangjun Li K.K. Liu Zhengyi Yin Xianggen

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摘要/描述

Fault location using traveling wave has been applied inextra-high voltage power grids successfully. Due to itscomplication and high cost, it is not easy for this technique to beaccepted for use in distribution system. A new traveling wavefault location system is developed simply in a cost-effective wayfor power networks (especially for distribution system) in thispaper. Two traveling wave sensors are developed to capture thecurrent traveling wave flowing from the capacitive equipment toearth and the voltage traveling waves in all three phases. Theoutputs of the sensors are then applied to the trigger and timetagging by using Global Position System (GPS) receiver. Thefault position is calculated by the traveling wave arrival times inevery power station where only one fault locator is installed. Thefault location system is tested in the power system. Testing resultsshow that the fault locator has high precision and robustness.

版权说明:以下全部内容由曾祥君上传于   2005年07月25日 18时21分40秒,版权归本人所有。

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