| 零序直流小电流选线系统有源二端网络研究 |
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| 引用本文： | 袁振海,马宏忠,陆伟良,李斌,王浩.零序直流小电流选线系统有源二端网络研究[J].电工技术学报,2005,20(1):38-44. |
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| 作者姓名： | 袁振海 马宏忠 陆伟良 李斌 王浩 |
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| 作者单位： | 南京工业大学自动化学院,南京,210009;河海大学电气工程学院,南京,210098 |
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| 摘 要： | 将非正弦周期检测信号分为三分之一周期内的正弦信号,分析零序直流选线系统有源二端网络的瞬时值及其工频周期内的平均值,建立以漏阻为负载的等效电源电路模型与数学模型,揭示零序直流选线系统的检测特性及其检测电压在系统中的分配与影响.
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| 关 键 词： | 零序直流 数学模型 电缆 间隙性漏电 |
| 修稿时间： | 2004年9月1日 |
Study on Two-Port Active Network With Zero Sequence DC Small Current Line Selection System |
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| Yuan Zhenhai,Ma Hongzhong,Lu Weiliang,Li Bin,Wang Hao.Study on Two-Port Active Network With Zero Sequence DC Small Current Line Selection System[J].Transactions of China Electrotechnical Society,2005,20(1):38-44. |
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| Authors: | Yuan Zhenhai Ma Hongzhong Lu Weiliang Li Bin Wang Hao |
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| Affiliation: | Nanjing University of Techonology Nanjing 210009 China Hohai University Nanjing 210098 China |
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| Abstract: | This paper divides the non-sinusoidal cycle detection signal into sinusoidal signal within 1/3 of the cycle. It analyzes the instantaneous value of the zero sequence DC line selection system and the average value within a cycle of industrial frequency. It also establishes equivalent electrical circuit model and mathematical model according to the case in which the leakage resistance is working as a load. Besides, it reveals the detection feature of the zero sequence DC line selection system and the distribution effect of it's detection voltage in the system. |
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| Keywords: | Zero sequence DC mathematical model cable intermittent residual current |
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