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首页> 外文期刊>Electric power systems research >Application of a robust faulted phase selector to high-resistance and weak-infeed fault conditions on a 1000-kV UHV transmission line
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Application of a robust faulted phase selector to high-resistance and weak-infeed fault conditions on a 1000-kV UHV transmission line

机译:鲁棒故障相位选择器在1000-kV UHV传输线上在高电阻和弱漏故障条件下的应用

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摘要

This work proposes the use of a novel faulted phase-selection phasor-based algorithm to solve the high-resistance and weak-infeed fault condition selection problem in existent long compensated transmission lines. The algorithm was originally developed for future half-wavelength lines (3000 km for 50 Hz system or 2500 km for 60 Hz), and was slightly modified and tested in a real 645 km 1000 kV Ultra High Voltage transmission system. The algorithm was implemented in a programmable protective relay and tested using a real-time simulator. A series of tests under extreme conditions (such as high impedance fault and very week infeed system together) were conducted to evaluate the performance and robustness of the proposed algorithm.
机译:这项工作提出了使用一种新型故障相位选择相位的算法来解决存在的长补偿传输线中的高电阻和弱进入故障状况选择问题。 该算法最初为未来的半波长线(50 Hz系统为3000公里或60 Hz 2500km),并在真正的645 km 1000 kV超高压传动系统中略微修改和测试。 该算法在可编程保护继电器中实现并使用实时模拟器测试。 进行了在极端条件下的一系列测试(如高阻抗过错和非常一周的进入系统),以评估所提出的算法的性能和鲁棒性。

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