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首页> 外文期刊>Electric power systems research >Phasor measurement unit based transmission line protection scheme design
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Phasor measurement unit based transmission line protection scheme design

机译：基于相量测量单元的传输线保护方案设计

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摘要

This paper presents an adaptive transmission line protection scheme based on synchronized phasor measurement units. This scheme uses the positive-sequence voltage and current phasors at both ends of a transmission line to determine the parameter of the transmission line and the location of a fault on the transmission line. This scheme can be used for the protection of both single- and double-circuit transmission lines. This scheme is also robust against power swing conditions. A novel adaptive single pole auto re-closer is introduced based on the proposed scheme due to its capability of differentiating transient and permanent faults. System simulation studies show that the proposed scheme is able to operate fast and accurately for transmission line protection.
机译：本文提出了一种基于同步相量测量单元的自适应传输线保护方案。该方案使用传输线两端的正序电压和电流相量来确定传输线的参数以及传输线上的故障位置。该方案可用于保护单回路和双回路传输线。该方案对于功率摆幅条件也很鲁棒。由于该方案具有区分瞬态和永久性故障的能力，因此在该方案的基础上，提出了一种新型的自适应单极自动重合闸。系统仿真研究表明，该方案能够快速，准确地进行输电线路保护。

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