Decentralized Adaptive Control With Virtual Inertia for Cascaded-Type VSGs
This paper presents a decentralized adaptive control for cascaded-type virtual synchronous generators (CVSGs) in microgrids. By leveraging a frequency correction term derived from the local power derivative, the virtual inertia is adaptively adjusted without relying on phase-locked loops (PLLs), ena...
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Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
IEEE
2025-01-01
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Series: | IEEE Open Journal of Power Electronics |
Subjects: | |
Online Access: | https://ieeexplore.ieee.org/document/11039065/ |
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Summary: | This paper presents a decentralized adaptive control for cascaded-type virtual synchronous generators (CVSGs) in microgrids. By leveraging a frequency correction term derived from the local power derivative, the virtual inertia is adaptively adjusted without relying on phase-locked loops (PLLs), enabling a fully communication-free implementation. Compared to the existing methods, the need for PLLs is eliminated. The main novelty of the proposed method is the integration of adaptive inertia, PLL-free control and decentralization. Next, the stability of the proposed controller is assessed using the Lyapunov energy function method. Finally, its performance is validated through MATLAB/Simulink simulation and experiments. |
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ISSN: | 2644-1314 |