Optimizing Grid Stability with Battery Energy Storage System Using Virtual Synchronous Generator Control
Master thesis
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https://hdl.handle.net/11250/3080228Utgivelsesdato
2023Metadata
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Sammendrag
This thesis investigates the performance and potential enhancements of battery energy storage systems (BESS) for frequency regulation, focusing on the integration of a Virtual Synchronous Generator (VSG) controller with the battery. The research involves analyzing theVSG-BESS model created in Matlab/Simulink and comparing its behavior with real operational data from Statkraft, a leading energy company.
The results highlight the effectiveness of the VSG controller in improving frequency stabilization. The VSG-BESS model demonstrates responsive behavior by adjusting poweroutput in response to frequency deviations. Although initial instances of overshoot and undershoot may arise, the system gradually attains stability, emphasizing the efficacy of theVSG controller and battery in regulating frequency.
The comparison of the VSG-BESS model with real battery operational data from Statkraftconfirms the model’s performance and practical value. The close correspondence betweenthe model’s behavior and the observed data indicates its accuracy in capturing the dynamicsof frequency regulation, enabling better design and optimization of BESS.
In conclusion, this research highlights the significance of integrating VSG controllers withbattery energy storage systems for effective frequency regulation. The insights derived fromthe study provide valuable guidance for future research and development projects aimedat improving the performance and efficiency of BESS. By actively responding to frequencydeviations, BESS can play a crucial role in sustaining grid stability and ensuring efficientoperation, contributing to the establishment of sustainable and reliable power grids.