Computers and Mathematics with Applications System Unbalance and Fault Impedance Effect on Faulted Distribution Networks
Computers and Mathematics with Applications System Unbalance and Fault Impedance Effect on Faulted Distribution Networks
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计算机和数学应用系统不平衡和故障阻抗对故障配电网的影响
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通讯作者：
R. Leborgne
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作者：
M. R. Paz;R. Ferraz;A. Bretas;R. Leborgne
本文对系统不平衡和故障阻抗对故障电力系统分析的影响进行了数值研究。基于ieee13总线测试馈线的数值仿真，实现并分析了对称分量和相位分量两种短路技术。测试用例包括电压不平衡效应和故障阻抗对故障时电压和电流的影响。结果表明，故障时电压和电流受电压不平衡和故障阻抗的影响较大。
This paper presents a numerical study of the system unbalance and the fault impedance effect on faulted power system analysis. Two short circuit techniques, the symmetrical components and phase components algorithms are implemented and analyzed based on numerical simulations of the IEEE 13 bus test feeder. Test cases include voltage unbalance effect and fault impedance effect on during-fault voltages and currents. The results show that the during-fault voltages and currents are greatly affected by both voltage unbalance and fault impedance.