电源学报

负荷等值阻抗参数在非线性负荷分析中的研究现状及展望

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张逸 , 康燕艺 , 郑宗华

电源学报 | 新型电力系统电能质量分析与控制专辑 2025,23(3): 76-85

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电源学报 |新型电力系统电能质量分析与控制专辑 2025 , 23 (3) : 76 -85

负荷等值阻抗参数在非线性负荷分析中的研究现状及展望

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张逸, 康燕艺, 郑宗华

作者信息

福州大学电气工程与自动化学院，福州　350108

通讯作者:

郑宗华（1984—　），男，通信作者，博士，讲师。研究方向：无线电能传输技术，微波/毫米波集成电路设计与应用。E-mail：zhengzh0706@fzu.edu.cn。

作者简介:

张逸（1984—　），男，博士，副教授。研究方向：电能质量，主动配电网及电力大数据分析。E-mail：zhangyi@fzu.edu.cn。

康燕艺（1999—　），女，硕士研究生。研究方向：电能质量分析。E-mail：554294882@qq.com。

Status Quo and Prospects of Researches on Load Equivalent Impedance Parameters in Nonlinear Load Analysis

Yi ZHANG, Yanyi KANG, Zonghua ZHENG

Affiliations

College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, China

出版时间: 2025-05-30 doi: 10.13234/j.issn.2095-2805.2025.3.76

文章导航

摘要

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随着新能源、电力电子等技术快速发展，非线性负荷在电力系统中的占比日益增加，导致电网电能质量问题日益严重。负荷等值阻抗参数是分析非线性负荷特性的重要参数之一，系统梳理负荷等值阻抗参数辨识技术及应用领域的研究现状，并展望未来研究方向和应用趋势。首先，阐述负荷等值阻抗参数的基本原理；其次，对现有负荷等值阻抗参数辨识方法进行梳理分析，指出不同参数辨识方法的精度、适用范围和优缺点；再次，综述负荷等值阻抗参数在谐波分析和瞬时无功计算中的应用；最后，探讨负荷等值阻抗参数进一步的研究方向，并对目前领域以外的扩展应用进行展望。

关键词

负荷等值阻抗参数 / 非线性负荷 / 参数辨识 / 谐波源识别 / 谐波源定位与责任划分

Abstract

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With the rapid development of new energy and power electronics technologies, the proportion of nonlinear loads in power systems is increasingly growing, leading to more severe power quality issues in power grid. The identification of load equivalent impedance parameters is one of the important methods for analyzing the characteristics of nonlinear loads. The status quo of researches on the load equivalent impedance parameter technology and its application fields is systematically sorted out, and the research directions and application trends in the future are forecasted. First, the basic principle for load equivalent impedance parameters is elaborated upon. Second, the existing load equivalent impedance parameter identification methods are analyzed, and the accuracy, applicable scope, advantages and disadvantages of different parameter identification methods are pointed out. Third, the applications of load equivalent impedance parameters in harmonic analysis and instantaneous reactive power calculation are reviewed. Finally, further research directions for load equivalent impedance parameters are discussed, and the prospects for extended applications beyond the fields at present are given.

Key words

Load equivalent impedance parameter / nonlinear load / parameter identification / harmonic source identification / harmonic source localization and responsibility division

引用本文

张逸, 康燕艺, 郑宗华. 负荷等值阻抗参数在非线性负荷分析中的研究现状及展望. 电源学报, 2025 , 23 (3) : 76 -85 . DOI: 10.13234/j.issn.2095-2805.2025.3.76

Yi ZHANG, Yanyi KANG, Zonghua ZHENG. Status Quo and Prospects of Researches on Load Equivalent Impedance Parameters in Nonlinear Load Analysis[J]. Journal of Power Supply, 2025 , 23 (3) : 76 -85 . DOI: 10.13234/j.issn.2095-2805.2025.3.76

基金

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国家自然科学基金资助项目(51777035)

参考文献

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2025年第23卷第3期

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文章信息

doi: 10.13234/j.issn.2095-2805.2025.3.76

接收时间：2024-12-07
首发时间：2026-10-26
出版时间：2025-05-30

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出版历史

收稿日期：2024-12-07
修回日期：2025-01-08
录用日期：2025-02-05

基金

National Natural Science Foundation of China(51777035)

国家自然科学基金资助项目(51777035)

作者信息

福州大学电气工程与自动化学院，福州　350108

通讯作者:

郑宗华（1984—　），男，通信作者，博士，讲师。研究方向：无线电能传输技术，微波/毫米波集成电路设计与应用。E-mail：zhengzh0706@fzu.edu.cn。

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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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