多相补偿阻抗元件的研究与仿真分析 |
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引用本文: | 穆大庆,胡亮.多相补偿阻抗元件的研究与仿真分析[J].长沙水电师院学报,2007,22(4):26-30,35. |
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作者姓名: | 穆大庆 胡亮 |
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作者单位: | [1]长沙理工大学电气与信息工程学院,湖南长沙410076 [2]永兴水利电力责任有限公司,湖南郴州423300 |
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基金项目: | 湖南省教育厅科技项目(06c117) |
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摘 要: | 对输电线路距离保护多相补偿阻抗元件的工作原理和工作特点进行详细分析,提出2种多相补偿阻抗元件的判据确定方法.仿真分析结果表明,多相补偿阻抗元件可正确区分保护正向区内、正向区外及反方向故障情况,而且受过渡电阻的影响较小.
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关 键 词: | 距离保护 多相补偿阻抗元件 相间不对称故障 仿真 |
文章编号: | 1673-9140(2007)04-0026-05 |
收稿时间: | 2007-11-02 |
Research on multi-phase compensate impedance component of protection relaying |
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Authors: | MU Da-qing HU Liang |
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Abstract: | The principle and characteristics of multi-phase compensate impedance component in power line distance protection are analyzed in the paper. Two criterions of multi-phase compensate impedance component are presented. Simulation analysis results show that the multi-phase compensate impedance component can distinguish outside faults and inside faults of the protected line correctly and it is affected very slightly by fault resistance. |
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Keywords: | Power lines distance protection multi-phase compensate impedance component phase-tophase unsymmetrical fault |
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