| 电磁式PT所致铁磁谐振过电压分析及抑制 |
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| 引用本文： | 刘春艳.电磁式PT所致铁磁谐振过电压分析及抑制[J].青海大学学报,2005,23(3):30-33. |
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| 作者姓名： | 刘春艳 |
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| 作者单位： | 青海大学水电系,青海,西宁,810016 |
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| 摘 要： | 阐述了产生铁磁谐振过电压的原理及条件，并对小桥变电站35kV配电网中电压互感器产生谐振过电压的现象进行了仿真计算和分析，提出了采用中性点接电阻同时配合使用消谐器方法抑制PT谐振。
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| 关 键 词： | 电磁式PT 铁磁谐振 位移电压 |
| 文章编号： | 1006-8996(2005)03-0030-04 |
Analysis of resonance overvoltage due to electromagnetic PT |
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| LIU Chun-yan.Analysis of resonance overvoltage due to electromagnetic PT[J].Journal of Qinghai University(Natural Science),2005,23(3):30-33. |
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| Authors: | LIU Chun-yan |
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| Abstract: | The principle and cause of resonance overvoltage due to electromagnetic PT is introduced ,and a simulative analysis for resonance overvoltage caused in transformer in a 35 kV distribution network in Xiaoqiao Station is realized,in which the measure of neuter point connecting resistance and using resonance eraser is taken to eliminate the PT resonance. |
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| Keywords: | electromagnetic PT electromagnetic resonance voltage displacement |
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