| 和应涌流的波形分析及其对差动保护影响的研究 |
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| 引用本文： | 彭虎,杜继伟,陈军.和应涌流的波形分析及其对差动保护影响的研究[J].电力学报,2012,27(5):506-510. |
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| 作者姓名： | 彭虎 杜继伟 陈军 |
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| 作者单位： | 1. 四川省电力公司 遂宁公司,四川 遂宁,629000
2. 四川省电力公司 调度中心,成都,610041 |
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| 摘 要： | 首先分析变压器并串联和应涌流的产生机理,然后通过Matalab建立仿真系统对变压器并串联和应涌流波形特点、波形中谐波成分、并串联和应涌流波形间断角、二次谐波含量等进行详细比较分析;最后,结合和应涌流波形特点研究了串联和应涌流和并联和应涌流对差动保护的影响,并提出应对措施。
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| 关 键 词： | 变压器 和应涌流 波形特性 差动保护 |
The Waveform Analysis of Sympathetic Current and the Influence on Differential Protection |
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| PENG Hu
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DU Ji-wei
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CHEN Jun.The Waveform Analysis of Sympathetic Current and the Influence on Differential Protection[J].Journal of Electric Power,2012,27(5):506-510. |
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| Authors: | PENG Hu DU Ji-wei CHEN Jun |
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| Affiliation: | 1.Sichuan Electric Power Corporation,Suining Branch,Suining 629000,China;2.Sichuan Electric Power Dispatching and Control Center,Chengdu 610041,China) |
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| Abstract: | Firstly,the principle of sympathetic interaction in the parallel connection and the series connection is analyzed.Then characteristics of sympathetic current,harmonic components of sympathetic current and the dead angle and proportion of second harmonic current are studied by using MATLAB simulation result.At last,combined with the characteristics of sympathetic interaction,we make a systematic study on the infection to the differential protection.The corresponding measures are put forward. |
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| Keywords: | transformer sympathetic current waveform characteristics differential protection |
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