| 电力系统电压的不平衡度讨论 |
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| 引用本文： | 郑国华,张丽.电力系统电压的不平衡度讨论[J].交通运输工程与信息学报,2005,3(4):45-49. |
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| 作者姓名： | 郑国华 张丽 |
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| 作者单位： | 广州铁路集团公司,建设项目管理中心,广州,510060;西南交通大学,电气工程学院,成都,610031 |
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| 摘 要： | 本文讨论了电力系统电压不平衡度的几种工程近似计算方法，对在零序分量取值不同情况下的不平衡度随正、负序分量相位差变化的规律进行了比较，分析了影响各种算法精度和误差的因素，指出各种算法的适用范围。
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| 关 键 词： | 负序 零序 不平衡 |
| 文章编号： | 1672-4747（2005）04-0045-05 |
| 收稿时间： | 2005-11-11 |
| 修稿时间： | 2005年11月11 |
Discussion of Voltage Unbalance in Power System |
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| ZHENG Guo-hua,ZHANG Li.Discussion of Voltage Unbalance in Power System[J].Journal of Transportation Engineering and Information,2005,3(4):45-49. |
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| Authors: | ZHENG Guo-hua ZHANG Li |
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| Institution: | ZHENG Guo-hua, ZHANG Li, Guangzhou 510060, China; 2. School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China) |
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| Abstract: | Some different definitions of voltage unbalance in power system are discussed. The varying relationship between the unbalance and the lagging phase of the negative sequence from the positive is compared according to the various values of the zero sequence. The accuracy and error of the different ways to calculate unbalance are analyzed, and the conditions for these definitions are also presented. |
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| Keywords: | Negative sequence zero sequence unbalance |
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