| 中性点不接地系统铁磁谐振过电压产生机理及消除措施探讨 |
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| 引用本文： | 许西平,王鹏,刘亚琴. 中性点不接地系统铁磁谐振过电压产生机理及消除措施探讨[J]. 电力电容器与无功补偿, 2007, 28(3) |
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| 作者姓名： | 许西平 王鹏 刘亚琴 |
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| 作者单位： | 陕西省商洛供电局,陕西商洛,726000;陕西省商洛供电局,陕西商洛,726000;陕西省商洛供电局,陕西商洛,726000 |
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| 摘 要： | 中性点不接地系统中的电磁式电压互感器,因单相电弧接地故障或合闸充电过程的激发可能引起铁磁谐振过电压。在分析铁磁谐振产生机理的基础上,对常用的消谐措施进行分析比较,并指出使用中应注意的问题。
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| 关 键 词： | 不接地系统 接地过电压 铁磁谐振 |
Discussion on Generation Mechanism and Elimination Measure of Ferromagnetic Resonance Overvoltage in Neutral end Grounging System |
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| XU Xi-ping,WANG Peng,LIU Ya-qin. Discussion on Generation Mechanism and Elimination Measure of Ferromagnetic Resonance Overvoltage in Neutral end Grounging System[J]. Power Capacitor $ Reactive Power Compensation, 2007, 28(3) |
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| Authors: | XU Xi-ping WANG Peng LIU Ya-qin |
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| Abstract: | The electromagnetic voltage transformer in the Neutral end grounding system could excite ferromagnetic resonance overvoltage during single phase arcing earthing fault or line energization when no load on busbar or less output lines appeared.Based the analysis of the generation mechanism of single phase arcing earthing fault and ferromagnetic resonance overvoltage,this paper makes the comparison analysis to commom resolutions of clearing resonance and points out some precautions for engineering use. |
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| Keywords: | Non-earthing system Earthing overvoltage Ferromagnetic resonance |
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