电源学报

采用VSG控制的T型三电平通用平均电路模型

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李先允 , 程煜 , 程爽 , 梁自鑫 , 郑雨萱

电源学报 | 电力电子变换器建模与控制 2026,24(2): 80-90

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电源学报 |电力电子变换器建模与控制 2026 , 24 (2) : 80 -90

采用VSG控制的T型三电平通用平均电路模型

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李先允（1964—　），男，博士，教授。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：alixy6412@aliyun.com。

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程爽（2001—　），女，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：872828317@qq.com。

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程爽（2001—　），女，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：872828317@qq.com。

梁自鑫（1999—　），男，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：2456978722@qq.com。

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梁自鑫（1999—　），男，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：2456978722@qq.com。

郑雨萱（1999—　），女，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：2563332963@qq.com。

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郑雨萱（1999—　），女，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：2563332963@qq.com。

李先允, 程煜, 程爽, 梁自鑫, 郑雨萱

作者信息

南京工程学院电力工程学院，南京　211167

通讯作者:

程煜（1997—　），男，通信作者，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：865692954@qq.com。

作者简介:

李先允（1964—　），男，博士，教授。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：alixy6412@aliyun.com。

程爽（2001—　），女，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：872828317@qq.com。

梁自鑫（1999—　），男，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：2456978722@qq.com。

郑雨萱（1999—　），女，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：2563332963@qq.com。

T-type Three-level Universal Average Circuit Model Controlled by VSG

Xianyun LI, Yu CHENG, Shuang CHENG, Zixin LIANG, Yuxuan ZHENG

Affiliations

School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 211167, China

出版时间: 2026-02-28 doi: 10.13234/j.issn.2095-2805.2026.2.80

文章导航

摘要

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采用传统的三相脉宽调制PWM（pulse width modulation）逆变器的构网型光伏系统存在谐波大、效率低等问题，并且目前针对构网型虚拟同步发电机VSG（virtual synchronous generator）控制的主要建模研究未考虑逆变器拓扑本身和多电平变流器对系统稳定性的影响。T型三电平具有谐波小、开关损耗小等优点，因此提出1种应用于构网型VSG的通用T型三电平状态空间平均模型，将电路中的开关器件平均后利用受控源代替形成等效受控源电路，并建立完整的状态空间方程进行稳定性分析。最后通过仿真与实验验证所建等效受控源模型与实际电路的适应性。结果表明，基于受控源的VSG数学模型的输出特性与实际模型一致，且具有良好的稳定性。

关键词

VSG控制 / T型三电平 / 等效受控源法 / 动态建模 / 参与因子法

Abstract

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The grid-forming photovoltaic systems with traditional three-phase pulse width modulation (PWM) inverters has problems such as large harmonics and low efficiency, and the main modeling research on grid-forming virtual synchronous generator (VSG) control at present does not take into account the influences of inverter topology and multilevel converter on the system stability. Since the T-type three-level has advantages including small harmonics and low switching loss, a universal T-type three-level state space average model applied to grid-forming VSG is proposed. An equivalent controlled source circuit is formed with a substitution of the controlled source by averaging the switching devices in the circuit, and a complete state space equation is established for stability analysis. Finally, simulations and experiments were carried out to verify the adaptability of the established equivalent controlled source model and the actual circuit. Results show that the output characteristics of the VSG mathematical model based on the controlled source are almost consistent with those of the actual model, and it has good stability.

Key words

VSG control / T-type three-level / equivalent controlled source method / dynamic modeling / participation factor method

引用本文

李先允, 程煜, 程爽, 梁自鑫, 郑雨萱. 采用VSG控制的T型三电平通用平均电路模型. 电源学报, 2026 , 24 (2) : 80 -90 . DOI: 10.13234/j.issn.2095-2805.2026.2.80

Xianyun LI, Yu CHENG, Shuang CHENG, Zixin LIANG, Yuxuan ZHENG. T-type Three-level Universal Average Circuit Model Controlled by VSG[J]. Journal of Power Supply, 2026 , 24 (2) : 80 -90 . DOI: 10.13234/j.issn.2095-2805.2026.2.80

基金

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2022年国家重点实验室开放课题资助项目(SGNR0000KJJS2302151)
江苏省研究生科研与实践创新计划资助项目(SJCX22_1077)

参考文献

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2026年第24卷第2期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.2.80

接收时间：2023-06-14
首发时间：2026-10-29
出版时间：2026-02-28

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出版历史

收稿日期：2023-06-14
修回日期：2023-08-17
录用日期：2023-10-02

基金

2022 State Key Laboratory Open Project(SGNR0000KJJS2302151)

2022年国家重点实验室开放课题资助项目(SGNR0000KJJS2302151)

Jiangsu Graduate Research and Practice Innovation Program Project(SJCX22_1077)

江苏省研究生科研与实践创新计划资助项目(SJCX22_1077)

作者信息

南京工程学院电力工程学院，南京　211167

通讯作者:

程煜（1997—　），男，通信作者，硕士。研究方向：新能源发电与电力系统，直流微网控制技术。E-mail：865692954@qq.com。

参考文献

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.2.80

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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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