电源学报

提升光伏逆变器运行范围的新型控制策略

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黄烈钢 , 周建萍 , 杨浩 , 周靖涛

电源学报 | 新能源发电与储能 2026,24(3): 79-87

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电源学报 |新能源发电与储能 2026 , 24 (3) : 79 -87

提升光伏逆变器运行范围的新型控制策略

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黄烈钢（1999—　），男，硕士研究生。研究方向：电力电子光伏逆变器。E-mail：1075560510@qq.com。

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黄烈钢（1999—　），男，硕士研究生。研究方向：电力电子光伏逆变器。E-mail：1075560510@qq.com。

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杨浩（1998—　），男，硕士研究生。研究方向：MMC-PET。E-mail：953780994@qq.com。

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周靖涛（1999—　），男，硕士研究生。研究方向：MMC。E-mail：1332816619@qq.com。

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周靖涛（1999—　），男，硕士研究生。研究方向：MMC。E-mail：1332816619@qq.com。

黄烈钢, 周建萍, 杨浩, 周靖涛

作者信息

上海电力大学自动化工程学院，上海　200090

通讯作者:

周建萍（1978—　），女，通信作者，博士，副教授。研究方向：分布式发电与微电网技术。E-mail：zhoujianping@shiep.edu.cn。

作者简介:

黄烈钢（1999—　），男，硕士研究生。研究方向：电力电子光伏逆变器。E-mail：1075560510@qq.com。

杨浩（1998—　），男，硕士研究生。研究方向：MMC-PET。E-mail：953780994@qq.com。

周靖涛（1999—　），男，硕士研究生。研究方向：MMC。E-mail：1332816619@qq.com。

Novel Control Strategy for Enhancing Operating Range of PV Inverter

Liegang HUANG, Jianping ZHOU, Hao YANG, Jingtao ZHOU

Affiliations

College of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China

出版时间: 2026-03-30 doi: 10.13234/j.issn.2095-2805.2026.3.79

文章导航

摘要

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级联H桥光伏PV（photovoltaic）逆变器易发生光伏组件被遮挡、器件老化等问题，这会导致H桥各单元之间输出功率的不均衡，部分单元由于功率过大则可能会发生过调制，导致并网电流的性能变差和引发逆变器系统整体的不稳定。针对此问题，提出1种分段式提升光伏逆变器运行范围的改进控制策略。对部分过调制单元进行3次谐波补偿和多次谐波补偿；对严重过调制单元先降低其输出功率，然后进行多次谐波补偿。该策略扩大了逆变器的运行范围，保证了严重功率不均衡时所有单元均不发生过调制，且并网电流波形良好。理论分析和仿真结果证明了新型控制策略的可行性和有效性。

关键词

光伏逆变器 / 过调制 / 谐波补偿 / 严重功率不均衡

Abstract

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Cascaded H-bridge photovoltaic (PV) inverters are susceptible to problems such as shading of PV modules and aging of devices. As a result, an imbalance in the output power between H-bridge units will appear, and over-modulation may occur in some units due to excessive power, resulting in a poor performance of grid-connected current and triggering the instability of the inverter system as a whole. Aimed at this problem, a segmented improved control strategy for enhancing the operating range of the PV inverter is proposed. This method compensates the third-order harmonic and multiple harmonics for some of the overmodulated units. For the severely overmodulated units, their output power are reduced at first, and then the multiple harmonics are compensated. This strategy expands the operating range of the inverter, and it ensures that no overmodulation occurs in all the units under severe power imbalance. In addition, the waveform of grid-connected current is good. The theoretical analysis and simulation results prove the feasibility and effectiveness of the novel control strategy.

Key words

Photovoltaic (PV) inverter / overmodulation / harmonic compensation / severe power imbalance

引用本文

黄烈钢, 周建萍, 杨浩, 周靖涛. 提升光伏逆变器运行范围的新型控制策略. 电源学报, 2026 , 24 (3) : 79 -87 . DOI: 10.13234/j.issn.2095-2805.2026.3.79

Liegang HUANG, Jianping ZHOU, Hao YANG, Jingtao ZHOU. Novel Control Strategy for Enhancing Operating Range of PV Inverter[J]. Journal of Power Supply, 2026 , 24 (3) : 79 -87 . DOI: 10.13234/j.issn.2095-2805.2026.3.79

基金

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国家自然科学基金资助项目(61905139)

参考文献

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参考文献引证文献

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2026年第24卷第3期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.3.79

接收时间：2023-08-25
首发时间：2026-10-29
出版时间：2026-03-30

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出版历史

收稿日期：2023-08-25
修回日期：2023-10-25
录用日期：2023-11-06

基金

National Natural Science Foundation of China(61905139)

国家自然科学基金资助项目(61905139)

作者信息

上海电力大学自动化工程学院，上海　200090

通讯作者:

周建萍（1978—　），女，通信作者，博士，副教授。研究方向：分布式发电与微电网技术。E-mail：zhoujianping@shiep.edu.cn。

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.3.79

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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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