电源学报

构网型级联H桥储能变流器自适应功率解耦策略

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胡顺全 ¹ , 刘通 ² , 王明月 ¹ , 陈阿莲中国电源学会高级会员 ¹

电源学报 | 新能源发电与储能 2026,24(1): 124-135

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电源学报 |新能源发电与储能 2026 , 24 (1) : 124 -135

构网型级联H桥储能变流器自适应功率解耦策略

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胡顺全¹, 刘通², 王明月¹, 陈阿莲中国电源学会高级会员¹

作者信息

^1.山东大学控制科学与工程学院，济南　250061

^2.山东大学电气工程学院，济南　250061

通讯作者:

陈阿莲（1976—　），女，中国电源学会高级会员，通信作者，博士，教授。研究方向：电力电子技术，新能源控制技术。E-mail：chenalian@sdu.edu.cn。

作者简介:

胡顺全（1976—　），男，博士。研究方向：储能变流器技术。E-mail：hsqlou_1088@163.com。

刘通（1991—　），男，博士。研究方向：新能源与储能技术。E-mail：tong@sdu.edu.cn。

王明月（1999—　），男，博士。研究方向：构网控制技术。E-mail：2249360103@qq.com。

Adaptive Power Decoupling Strategy for Grid-forming Cascaded H-bridge Energy Storage Converters

Shunquan HU¹, Tong LIU², Mingyue WANG¹, Alian CHEN Senior Member, CPSS¹

Affiliations

^1.School of Control Science and Engineering, Shandong University, Jinan 250061, China

^2.School of Electrical Engineering, Shandong University, Jinan 250061, China

出版时间: 2026-01-30 doi: 10.13234/j.issn.2095-2805.2026.1.124

文章导航

摘要

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构网型级联H桥储能系统是平抑大规模新能源发电功率波动、提供电网支撑的优选方案，但其功率控制与线路阻抗存在耦合关系，弱电网下耦合效应加剧，导致输出功率失准，失稳风险增大。为此，提出了1种基于无功电压补偿的自适应功率解耦控制策略。首先，基于虚拟同步机小信号模型，通过引入考虑闭环回路的功率耦合系数，定量分析线路阻抗角与功角的功率耦合效应，揭示有功功率对无功功率控制的影响机理。其次，构建无功自适应补偿通道，在无功功率控制中设计比例积分补偿环节，动态修正输出电压参考值以抑制功率耦合，无需辨识线路参数，可在宽阻抗角范围内实现动态解耦控制，适应性强。最后，在仿真平台和RT-LAB平台验证了该方法的正确性。

关键词

功率耦合 / 自适应解耦控制 / 无功电压补偿 / 虚拟同步机

Abstract

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The grid-forming cascaded H-bridge energy storage system is an optimal solution for mitigating large-scale renewable energy power fluctuations and providing grid support. However, the power control of the system is coupled with line impedance, and the coupling effect intensifies under weak grid, leading to output power inaccuracy and increasing risk of instability. To solve this problem, an adaptive power decoupling control strategy based on reactive voltage compensation is proposed. First, based on the small-signal model of a virtual synchronous generator and through the introduction of power coupling coefficients which take into account closed-loop feedback, a quantitative analysis is conducted on the power coupling effects between line impedance angle and power angle, revealing the mechanism of effect of active power on reactive power control. Second, an adaptive reactive power compensation channel is constructed, and a proportional-integral voltage compensation link in the reactive power control is designed, which dynamically modifies the output voltage references to mitigate the power coupling without the identification of line parameters. As a result, dynamic decoupling control is realized in a wide range of impedance angle with strong adaptability. Finally, validation tests based on a simulation platform and an RT-LAB platform verified the proposed method.

Key words

Power coupling / adaptive decoupling control / reactive voltage compensation / virtual synchronous generator

引用本文

胡顺全, 刘通, 王明月, 陈阿莲中国电源学会高级会员. 构网型级联H桥储能变流器自适应功率解耦策略. 电源学报, 2026 , 24 (1) : 124 -135 . DOI: 10.13234/j.issn.2095-2805.2026.1.124

Shunquan HU, Tong LIU, Mingyue WANG, Alian CHEN. Adaptive Power Decoupling Strategy for Grid-forming Cascaded H-bridge Energy Storage Converters[J]. Journal of Power Supply, 2026 , 24 (1) : 124 -135 . DOI: 10.13234/j.issn.2095-2805.2026.1.124

基金

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国家自然科学基金资助项目(U2006222; 62403278)
山东省重点研发计划资助项目(2024CXGC010307)
山东省青年基金项目(ZR2024QE180)
博士后面上基金项目(2024M751808)

参考文献

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2026年第24卷第1期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.1.124

接收时间：2025-02-20
首发时间：2026-10-26
出版时间：2026-01-30

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出版历史

收稿日期：2025-02-20
修回日期：2025-03-03
录用日期：2025-03-04

基金

National Natural Science Foundation of China(U2006222; 62403278)

国家自然科学基金资助项目(U2006222; 62403278)

Shandong Province Key Research and Development Plan(2024CXGC010307)

山东省重点研发计划资助项目(2024CXGC010307)

Youth Foundation of Shandong Province(ZR2024QE180)

山东省青年基金项目(ZR2024QE180)

Postdoctoral Science Foundation of China(2024M751808)

博士后面上基金项目(2024M751808)

作者信息

^1.山东大学控制科学与工程学院，济南　250061

^2.山东大学电气工程学院，济南　250061

通讯作者:

陈阿莲（1976—　），女，中国电源学会高级会员，通信作者，博士，教授。研究方向：电力电子技术，新能源控制技术。E-mail：chenalian@sdu.edu.cn。

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.1.124

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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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