| 小电流接地系统两点异相故障测距 |
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| 引用本文： | 邱建国,钟岷秀. 小电流接地系统两点异相故障测距[J]. 电力系统保护与控制, 1999, 27(2): 13-16 |
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| 作者姓名： | 邱建国 钟岷秀 |
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| 作者单位： | 1.广东省电力中心调度所 510600;2.重庆大学电机工程系 400020 |
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| 摘 要： | 分析了小电流接地系统中一些典型工况的两点异相接地故障的特点，并运用对称分量原理提出了相应的故障测距算法。这些算法均不受负荷电流、接地故障电阻和消弧线圈（或电阻）的影响，大量的数字仿真计算表明：该故障测距算法是可行的。
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| 关 键 词： | 小电流接地系统 故障测距 算法 两点异相接地故障 |
FAULT LOCATION OF TWO-POINT EARTH-FAULT WITH DIFFERENT PHASES IN LOW EARTH-FAULT CURRENT SYSTEM |
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| Qiu Jian Guo. FAULT LOCATION OF TWO-POINT EARTH-FAULT WITH DIFFERENT PHASES IN LOW EARTH-FAULT CURRENT SYSTEM[J]. Power System Protection and Control, 1999, 27(2): 13-16 |
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| Authors: | Qiu Jian Guo |
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| Abstract: | The characteristics of several typical operating conditions of two - point earth -fault with different phases in low earthfault current system are analyzed in this paper, the fault location algorithms based on symmetrical component method are presented.The algorithms can exclude the influences of fault resistance, load current and arc -suppression coil(or resistance). A lot of digitalsimulation calculations indicate that the fault location algorithms are feasible. |
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| Keywords: | Low earth-fault current system Fault location Algorithm Two-point earth-fault with different phases |
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