| 一种铁磁谐振抑制和消除新方法 |
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| 引用本文： | 李建军,曾灿林,李晓翔.一种铁磁谐振抑制和消除新方法[J].价值工程,2013(14):54-56. |
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| 作者姓名： | 李建军 曾灿林 李晓翔 |
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| 作者单位： | 湖南省电力公司岳阳电业局,岳阳414400 |
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| 摘 要： | 本文以岳阳电网220kV汉昌变发生的一起10kV母线电压互感器烧坏事故为分析基础。在详细地介绍了铁磁谐振基础上,建立了事故发生时变电站10kV母线与配网的电气模型,并在此基础上分析了铁磁谐振发生原因。针对一、二次消谐装置存在的优缺点之后,提出了一种新型的智能消谐装置,并介绍了新装置的工作原理,仿真结果证明了该装置能够有效地抑制和消除铁磁谐振。
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| 关 键 词： | 电压互感器:铁磁谐振 智能 |
A New Method of Ferroresonance Suppression and Elimination |
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| Abstract: | Based on the case that 10kV busbar voltage transformer burned out in Yueyang 220kV grid in Hanchang transformer substation,the paper presents ferroresonance and establishes the electrical model of 10kV busbar and distribution network of transformer substation,and analyzes the cause of ferroresonance.Aiming at the advantages and disadvantages of primary and secondary harmonic devices,the paper puts forward a new type of intelligent harmonic devices,and introduces the operation principle,simulation results shows that the device is able to effectively suppress and eradicate the ferroresonance. |
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| Keywords: | PT magnetic resonance smart |
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