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Article

A Virtual Synchronous Generator Control Strategy Based on Transient Damping Compensation and Virtual Inertia Adaptation

1
School of Automation and Information Engineering, Sichuan University of Science & Engineering, Yibin 644000, China
2
Zonergy Co., Ltd., Zigong 643000, China
3
Hydrogen Energy and Multi-Energy Complementary Microgrid Engineering Technology Research Center of Sichuan Province, Mianyang 621000, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2025, 15(2), 728; https://doi.org/10.3390/app15020728
Submission received: 3 October 2024 / Revised: 2 January 2025 / Accepted: 3 January 2025 / Published: 13 January 2025

Abstract

To mitigate the challenges posed by transient oscillations and steady-state deviations in the traditional virtual synchronous generator (TVSG) that is subjected to active power and grid frequency disturbances, a VSG control strategy based on Transient Damping Compensation and Virtual Inertia Adaptation is presented. Initially, a closed-loop small-signal model for the grid-connected active power loop (APL) of the TVSG is constructed, which highlights the contradiction between the dynamic and static characteristics of TVSG output power through the analysis of root locus distribution trends. Secondly, a VSG control strategy based on Transient Damping Compensation (TDC) is proposed. The influence of APL system parameters introduced by TDC on system stability is qualitatively analyzed based on pole distribution trends and frequency response, and a comprehensive parameter design scheme is presented. In addition, based on the TDC algorithm, an improved virtual inertia adaptive strategy utilizing the Inverse Square Root Unit (ISRU) approach is designed, and the tuning range of parameters is provided. Finally, simulations and experiments verify that the proposed strategy exhibits superior active response performance and transient oscillation suppression capabilities, effectively eliminating active steady-state deviations caused by frequency disturbances in the power grid.
Keywords: virtual synchronous generator; transient damping compensation; steady-state deviation; virtual inertia; adaptive control; root locus analysis virtual synchronous generator; transient damping compensation; steady-state deviation; virtual inertia; adaptive control; root locus analysis

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MDPI and ACS Style

Xia, Y.; Chen, Y.; Wang, Y.; Chen, R.; Li, K.; Shi, J.; Yang, Y. A Virtual Synchronous Generator Control Strategy Based on Transient Damping Compensation and Virtual Inertia Adaptation. Appl. Sci. 2025, 15, 728. https://doi.org/10.3390/app15020728

AMA Style

Xia Y, Chen Y, Wang Y, Chen R, Li K, Shi J, Yang Y. A Virtual Synchronous Generator Control Strategy Based on Transient Damping Compensation and Virtual Inertia Adaptation. Applied Sciences. 2025; 15(2):728. https://doi.org/10.3390/app15020728

Chicago/Turabian Style

Xia, Yan, Yang Chen, Yao Wang, Renzhao Chen, Ke Li, Jinhui Shi, and Yiqiang Yang. 2025. "A Virtual Synchronous Generator Control Strategy Based on Transient Damping Compensation and Virtual Inertia Adaptation" Applied Sciences 15, no. 2: 728. https://doi.org/10.3390/app15020728

APA Style

Xia, Y., Chen, Y., Wang, Y., Chen, R., Li, K., Shi, J., & Yang, Y. (2025). A Virtual Synchronous Generator Control Strategy Based on Transient Damping Compensation and Virtual Inertia Adaptation. Applied Sciences, 15(2), 728. https://doi.org/10.3390/app15020728

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