Analysis of low-frequency oscillation characteristics and damping enhancement strategy for grid-forming PV with DC-voltage controller

Analysis of low-frequency oscillation characteristics and damping enhancement strategy for grid-forming PV with DC-voltage controller

IntroductionGrid-forming (GFM) converters with DC-voltage controller can emulate inertia and support frequency stability while maintaining a stable DC voltage, making this method well-suited for PV systems. However, the introduction of the DC voltage control loop exacerbates the issue of low-frequen...

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Bibliographic Details
Main Authors: Weikang Kong, Yongjun Zhou, Jun Li, Jie Wu, Jing Xia, Linpeng Lei
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-07-01
Series:Frontiers in Energy Research
Subjects:
grid-forming converter
DC-voltage controller
low-frequency oscillation
damping torque method
lead-lag compensator
Online Access:https://www.frontiersin.org/articles/10.3389/fenrg.2025.1623678/full
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