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Load Virtual Synchronous Machine and Frequency-adaptive Control Applied to Electric Vehicle Charging Piles
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Zhipeng LÜ1, Lisheng LI2, Zhenhao SONG1, Fei YANG1, Zili WANG  Student Member, CPSS3, Yandong CHEN  Senior Member, CPSS3
Journal of Power Supply | 2025, 23(4) : 173 - 185
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Journal of Power Supply | 2025, 23(4): 173-185
• Renewable Energy System •
Load Virtual Synchronous Machine and Frequency-adaptive Control Applied to Electric Vehicle Charging Piles
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Zhipeng LÜ1, Lisheng LI2, Zhenhao SONG1, Fei YANG1, Zili WANG  Student Member, CPSS3, Yandong CHEN  Senior Member, CPSS3
Affiliations
  • 1.State Grid Shanghai Energy Interconnection Research Institute Co., Ltd., Shanghai 200120, China
  • 2.State Grid Shandong Electric Power Company, Jinan 250001, China
  • 3.School of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Published: 2025-07-30 doi: 10.13234/j.issn.2095-2805.2025.4.173
Outline
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To address the problem of power quality deterioration in a charging pile’s front-stage AC-DC rectifier under frequency fluctuations of public power grid, a current inner-loop control method with frequency adaptation capability is proposed based on the application of a load virtual synchronous machine (LVSM) control strategy. First, a small-signal model of the LVSM frequency loop is established, and analysis results show that the virtual frequency will follow the grid frequency that deviates from the fundamental frequency. Second, a frequency-adaptive quasi-proportional-resonant controller with reduced computational complexity is designed for the current inner-loop to suppress grid-connected current harmonics injection into the grid. Finally, simulation results show that the proposed controller can actively respond to changes in grid voltage and frequency while improving the power quality during the regulation process, which verifies the theoretical analysis.

Charging pile rectifier  /  load virtual synchronous machine (LVSM)  /  frequency adaptation  /  discrete quasi-proportional-resonant control
吕志鹏, 李立生, 宋振浩, 杨飞, 王自力中国电源学会学生会员, 陈燕东中国电源学会高级会员. 应用于电动汽车充电桩的负荷虚拟同步机及其频率自适应控制. 电源学报, 2025 , 23 (4) : 173 -185 . DOI: 10.13234/j.issn.2095-2805.2025.4.173
Zhipeng LÜ, Lisheng LI, Zhenhao SONG, Fei YANG, Zili WANG, Yandong CHEN. Load Virtual Synchronous Machine and Frequency-adaptive Control Applied to Electric Vehicle Charging Piles[J]. Journal of Power Supply, 2025 , 23 (4) : 173 -185 . DOI: 10.13234/j.issn.2095-2805.2025.4.173
Funding
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  • project of State Grid Corporation of China(5400-202155459A-0-0-00)
Appendix
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Year 2025 volume 23 Issue 4
54
14
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.4.173
  • Receive Date：2024-03-19
  • Online Date：2026-10-26
  • Published：2025-07-30
Article Data
Affiliations
History
  • Received：2024-03-19
  • Revised：2024-06-05
  • Accepted：2024-06-15
Funding
project of State Grid Corporation of China(5400-202155459A-0-0-00)
Affiliations
    1.State Grid Shanghai Energy Interconnection Research Institute Co., Ltd., Shanghai 200120, China
    2.State Grid Shandong Electric Power Company, Jinan 250001, China
    3.School of Electrical and Information Engineering, Hunan University, Changsha 410082, China
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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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