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首页> 外文会议>2018 IEEE 2nd International Electrical and Energy Conference >Comparison of the Influence of Different Types of Faults on Four-Circuit Transmission Lines on the Same Tower
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Comparison of the Influence of Different Types of Faults on Four-Circuit Transmission Lines on the Same Tower

机译：同一塔架上不同故障类型对四回路输电线路影响的比较

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The risk of failures on multi-circuit transmission lines on the same tower becomes higher and the fault types are more complex. Sometimes maybe we need to analyze the influence of faults between different lines and the phase-to-phase faults on one line in such a system especially when the voltage grades are high and the transferred power is big. Knowing the severity of the different fault types in advance can help us to better analyze such systems and save simulation time. However, by now the related researches are rare. This paper derived the equations of the transferred power by four-circuit transmission lines on the same tower during different faults in a simple system based on the symmetrical component method, Equal Area Criterion and some assumptions. According to the equations the paper compared the severity of the different types of faults and get some conclusions. A simple test case is used to testify the correctness of the equations and the conclusions.
机译：同一塔上的多回路传输线上发生故障的风险变得更高，并且故障类型更加复杂。有时，在这种系统中，尤其是在电压等级较高且传输功率较大的情况下，可能需要分析不同线路之间的故障以及一条线路上的相间故障的影响。提前了解不同故障类型的严重性可以帮助我们更好地分析此类系统并节省仿真时间。但是，到目前为止，相关研究还很少。本文基于对称分量法，等面积判据和一些假设，在一个简单的系统中，推导了不同故障情况下同一塔上四回路输电线路在不同故障情况下的输电方程。根据这些方程，比较了不同类型故障的严重程度，并得出了一些结论。一个简单的测试用例被用来证明方程和结论的正确性。

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