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Decentralized Coordinated Suppression Strategy for Low-frequency Power Oscillation in VSG Parallel Systems Based on Transient Damping Enhancement
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Can SU1, 2, Lei WANG1, 2, Wen ZHOU1, 2, Ziwei CHENG1, 2, Runtao ZHANG1, 2, Baoyi CEN3
Journal of Power Supply | 2026, 24(5) : 59 - 67
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Journal of Power Supply | 2026, 24(5): 59-67
• Renewable Energy Generation and Energy Storage •
Decentralized Coordinated Suppression Strategy for Low-frequency Power Oscillation in VSG Parallel Systems Based on Transient Damping Enhancement
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Can SU1, 2, Lei WANG1, 2, Wen ZHOU1, 2, Ziwei CHENG1, 2, Runtao ZHANG1, 2, Baoyi CEN3
Affiliations
  • 1.State Grid Hebei Energy Technology Service Co., Ltd., Shijiazhuang 050000, China
  • 2.Hebei Key Laboratory of Simulation Modeling and Control for Energy Internet, Shijiazhuang 050000, China
  • 3.CET Electric Technology Inc., Shenzhen 518040
Published: 2026-05-30 doi: 10.13234/j.issn.2095-2805.2026.5.59
Outline
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The virtual synchronous generator (VSG) simulates the characteristics of synchronous generators to provide inertia and damping, but inevitably introduces the rotor oscillation characteristics of synchronous generator. Especially in VSG parallel operation systems, when the system is disturbed, it is prone to cause power oscillation problems, which may even damage power electronic equipment. To address this issue, based on state feedback and pole-placement theory, a power oscillation decentralized coordinated suppression strategy for VSG parallel systems based on transient damping enhancement is proposed. By constructing a combination of angular frequency high-frequency component compensation and electromagnetic power high-frequency component compensation, the transient damping of the system is improved, and power oscillation is suppressed without affecting the system steady-state characteristics. Then, the stability of the proposed control strategy is demonstrated by constructing a Lyapunov function. Finally, the effectiveness of the proposed method is verified through simulation.

Virtual synchronous generator  /  power oscillation  /  state feedback  /  pole-placement  /  transient damping  /  Lyapunov function
苏灿, 王磊, 周文, 程子玮, 张润涛, 岑宝仪. 基于暂态阻尼提升的VSG并联系统低频功率振荡分散式协调抑制策略. 电源学报, 2026 , 24 (5) : 59 -67 . DOI: 10.13234/j.issn.2095-2805.2026.5.59
Can SU, Lei WANG, Wen ZHOU, Ziwei CHENG, Runtao ZHANG, Baoyi CEN. Decentralized Coordinated Suppression Strategy for Low-frequency Power Oscillation in VSG Parallel Systems Based on Transient Damping Enhancement[J]. Journal of Power Supply, 2026 , 24 (5) : 59 -67 . DOI: 10.13234/j.issn.2095-2805.2026.5.59
Funding
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  • State Grid Hebei Energy Technology Service Co., Ltd. Science and Technology(TSS2023-06)
Appendix
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Year 2026 volume 24 Issue 5
42
11
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.5.59
  • Receive Date：2024-04-01
  • Online Date：2026-10-29
  • Published：2026-05-30
Article Data
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History
  • Received：2024-04-01
  • Revised：2024-05-14
  • Accepted：2024-06-23
Funding
State Grid Hebei Energy Technology Service Co., Ltd. Science and Technology(TSS2023-06)
Affiliations
    1.State Grid Hebei Energy Technology Service Co., Ltd., Shijiazhuang 050000, China
    2.Hebei Key Laboratory of Simulation Modeling and Control for Energy Internet, Shijiazhuang 050000, China
    3.CET Electric Technology Inc., Shenzhen 518040
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