电源学报

直流配电系统电能质量探析

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周文中国电源学会会员 ¹ , 苏灿 ¹ , 胡雪凯中国电源学会会员 ¹ , 闫鹏 ¹ , 孟良 ¹ , 刘军成中国电源学会高级会员 ²

电源学报 | 电能质量 2025,23(5): 185-196

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电源学报 |电能质量 2025 , 23 (5) : 185 -196

直流配电系统电能质量探析

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周文中国电源学会会员¹, 苏灿¹, 胡雪凯中国电源学会会员¹, 闫鹏¹, 孟良¹, 刘军成中国电源学会高级会员²

作者信息

^1.国网河北省电力有限公司电力科学研究院，石家庄　050000

^2.西安博宇电气有限公司，西安　710065

通讯作者:

刘军成（1966—　），男，中国电源学会高级会员，通信作者，本科，教授级高级工程师。研究方向：电能质量。E-mail：junchengL@263.net。

作者简介:

周文（1978—　），男，中国电源学会会员，硕士，教授级高级工程师。研究方向：电能质量分析与治理。E-mail：hbdyyzhw@163.com。

苏灿（1994—　），女，硕士，工程师。研究方向：电能质量分析与治理，新能源技术。E-mail：sucan51372@163.com。

胡雪凯（1987—　），男，中国电源学会会员，硕士，高级工程师。研究方向：新能源并网控制技术。E-mail：719872361@qq.com。

闫鹏（1990—　），男，硕士，工程师。研究方向：新能源并网控制技术及电能质量技术。E-mail：dyy_yanp@163.com。

孟良（1985—　），男，硕士，高级工程师。研究方向：分布式电源与储能运行控制。E-mail：15133128069@139.com。

Analysis of Power Quality of DC Distribution System

Wen ZHOU Member, CPSS¹, Can SU¹, Xuekai HU Member, CPSS¹, Peng YAN¹, Liang MENG¹, Juncheng LIU Senior Member, CPSS²

Affiliations

^1.Electric Power Research Institute, State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050000, China

^2.Xi'an Boyuu Electric Ltd., Xi'an 710065, China

出版时间: 2025-09-30 doi: 10.13234/j.issn.2095-2805.2025.5.185

文章导航

摘要

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直流配电系统因其可控性好、高效可靠、更适应可再生能源接入等优势，已经成为未来配电系统的发展方向。直流配电网因其源荷特性、扰动来源、运行机理与交流配电网不同，其电能质量问题也呈现了新的特点。面对应用日益广泛的直流配电系统，介绍了其典型拓扑结构及接地方式；结合其运行特征，分析了直流配电系统运行中可能存在的各类电能质量现象，包括电压带、纹波、不平衡、闪变、电压暂降（短时中断）、电压暂升等，提出了表征直流配电系统电能质量的主要技术指标。算例分析表明该系列指标能够定量描述直流配电系统的电能质量现象。最后，分析了未来直流配电系统电能质量问题的研究方向。旨在剖析直流配电系统电能质量现象，为开展广泛的直流配电电能质量监测、分析研究提供支持。

关键词

直流配电 / 电能质量 / 电压带 / 纹波 / 指标

Abstract

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Owing to its advantages of good controllability, high efficiency and reliability, and adaptability to the connection of renewable energy resources, the direct current (DC) distribution system has become the development direction of next-generation power distribution systems. The characteristics of energy resources and loads, disturbance resources, and operation mechanism of DC distribution networks are different from those of alternating current (AC) distribution networks, which lead to new features of power quality issues. Aimed at the widespread applications of DC distribution systems, their typical topologies with the corresponding grounding modes are introduced. With the combination of operation characteristics, the phenomena of various possible power quality issues in DC distribution systems are analyzed, including voltage band, ripples, imbalance, flicker, voltage dip (short-time interruption) and voltage swell. In addition, the main technical indices that can be used to describe the power quality of DC distribution systems are proposed. The results of an example demonstrate that these indices can well quantitate the related power quality phenomena. Finally, the research directions for power quality issues in DC distribution systems in the future are also discussed. The research aims to analyze the power quality issues in DC distribution systems in depth, providing support for the comprehensive power quality measurement and analysis of DC distribution systems.

Key words

Direct current (DC) distribution / power quality / voltage band / ripple / index

引用本文

周文中国电源学会会员, 苏灿, 胡雪凯中国电源学会会员, 闫鹏, 孟良, 刘军成中国电源学会高级会员. 直流配电系统电能质量探析. 电源学报, 2025 , 23 (5) : 185 -196 . DOI: 10.13234/j.issn.2095-2805.2025.5.185

Wen ZHOU, Can SU, Xuekai HU, Peng YAN, Liang MENG, Juncheng LIU. Analysis of Power Quality of DC Distribution System[J]. Journal of Power Supply, 2025 , 23 (5) : 185 -196 . DOI: 10.13234/j.issn.2095-2805.2025.5.185

参考文献

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2025年第23卷第5期

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文章信息

doi: 10.13234/j.issn.2095-2805.2025.5.185

接收时间：2022-08-25
首发时间：2026-10-26
出版时间：2025-09-30

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收稿日期：2022-08-25
修回日期：2022-11-24
录用日期：2023-01-19

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作者信息

^1.国网河北省电力有限公司电力科学研究院，石家庄　050000

^2.西安博宇电气有限公司，西安　710065

通讯作者:

刘军成（1966—　），男，中国电源学会高级会员，通信作者，本科，教授级高级工程师。研究方向：电能质量。E-mail：junchengL@263.net。

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2025.5.185

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
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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