Virtual Synchronous Generator Control Strategy of Grid-Forming Matrix Converter for Renewable Power Generation

Zhang, Jianwei; Wang, Huidong; Liu, Guangchen; Tian, Guizhen; Rivera, Marco; Wheeler, Patrick

Abstract

Matrix converters (MC) have been considered for applications in renewable power generation and microgrids. However, similar to other power electronic converter-interfaced power generation systems, the MC-interfaced system cannot provide inertia or damping effect to support the grid’s frequency or voltage. To improve the inertia and damping effect of the MC-interfaced distributed generation system and realize the grid-friendly connection of new energy power generation, a virtual synchronous generator (VSG) control strategy suitable for the MC-interfaced system is proposed. Aiming at the problem that the system frequency in the traditional VSG cannot be restored to the nominal value after the load power fluctuations, the VSG secondary frequency control strategy is introduced. To ensure a smooth grid connection, a synchronization control strategy based on virtual power has been designed. An experimental validation platform was built and the experimental results verify the correctness and effectiveness of the proposed control strategies for a grid-forming MC.

Citation

Zhang, J., Wang, H., Liu, G., Tian, G., Rivera, M., & Wheeler, P. (2024). Virtual Synchronous Generator Control Strategy of Grid-Forming Matrix Converter for Renewable Power Generation. IEEE Access, 12, 106672-106684. https://doi.org/10.1109/ACCESS.2024.3436552

• Journal Article Type: Article
• Acceptance Date: Jul 23, 2024
• Online Publication Date: Aug 1, 2024
• Publication Date: 2024
• Deposit Date: Sep 16, 2024
• Publicly Available Date: Sep 19, 2024
• Journal: IEEE Access
• Electronic ISSN: 2169-3536
• Publisher: Institute of Electrical and Electronics Engineers
• Peer Reviewed: Peer Reviewed
• Volume: 12
• Pages: 106672-106684
• DOI: https://doi.org/10.1109/ACCESS.2024.3436552
• Public URL: https://nottingham-repository.worktribe.com/output/37946529
• Publisher URL: https://ieeexplore.ieee.org/document/10620283