Jin Lin1,*, Bin Yu2, Chao Chen1, Jiezhen Cai1, Yifan Wu2, Cunping Wang3
Energy Engineering, Vol.123, No.1, 2026, DOI:10.32604/ee.2025.069310
- 27 December 2025
Abstract With the increasing integration of renewable energy, microgrids are increasingly facing stability challenges, primarily due to the lack of inherent inertia in inverter-dominated systems, which is traditionally provided by synchronous generators. To address this critical issue, Virtual Synchronous Generator (VSG) technology has emerged as a highly promising solution by emulating the inertia and damping characteristics of conventional synchronous generators. To enhance the operational efficiency of virtual synchronous generators (VSGs), this study employs small-signal modeling analysis, root locus methods, and synchronous generator power-angle characteristic analysis to comprehensively evaluate how virtual inertia and damping coefficients affect frequency… More >
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