电力系统谐波与不平衡分布的计算方法与实现

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摘要建立了含牵引变电站的电力系统主要设备的三相基波与谐波模型, 提出了电力系统谐波和不平衡度分布的通用潮流解耦计算方法, 开发了一套电力系统谐波和不平衡渗透计算软件PSHP(Power System Harmonic Penetration)。以河南电网为研究对象, 对两个牵引变电站高压侧的电能质量数据进行了现场实测, 根据实测数据计算了河南电网中的谐波和不平衡度分布, 并对高速电气化铁路对电力系统的谐波和不平衡分布影响的规律进行了分析和总结。实际系统的计算结果、测试结果和理论分析结果都表明了该方法的正确性和有效性。

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	冀鲁豫
	吴俊勇
	孙建华
	胡杨宇
	付红军
	张西鲁
	宋洪磊

关键词 ：谐波分布, 不平衡度, 牵引变电站, 解耦算法

Abstract：Three-phase fundamental and harmonic models of main equipment of the whole power system including traction substation are built, and a general decoupled algorithm of power flow is put forward for distribution of harmonics and unbalance. Then, the software package named PSHP (power system harmonic penetration) is developed based on the method. In the paper, Henan power grid is studied. The power qualities of high side of two railway traction substations are measured. According to the measurement data, the distributions of harmonics and unbalance of henan grid are calculated by the PSHP. Some rules of the harmonics and unbalance distributions affected by the high-speed electrified railway in the power system are analyzed and summarized. The validity and effectiveness of the method are verified by calculation results, measured results and theoretical analysis results in a practical power system.

Key words： Harmonics distribution unbalance traction substation decoupled algorithm

收稿日期: 2010-10-11 出版日期: 2014-03-07

PACS:

TM712

作者简介: 冀鲁豫男, 1987年生, 硕士研究生, 主要从事电力系统稳定与控制的研究。吴俊勇男, 1966年生, 教授, 博士生导师, 长期从事电力系统分析与控制、可再生能源发电及铁道电气化等研究。

引用本文:

冀鲁豫, 吴俊勇, 孙建华, 胡杨宇, 付红军, 张西鲁, 宋洪磊. 电力系统谐波与不平衡分布的计算方法与实现[J]. 电工技术学报, 2011, 26(1增): 196-200. Ji Luyu, Wu Junyong, Sun Jianhua, Hu Yangyu, Fu Hongjun, Zhang Xilu, Song Honglei. Calculation Method and Realization of Harmonics and Unbalance Distribution in Power System. Transactions of China Electrotechnical Society, 2011, 26(1增): 196-200.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2011/V26/I1增/196

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