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- W4386838492 abstract "This paper proposes a novel virtual inertia control strategy for distributed power systems with high penetration of renewable energy sources. The strategy uses a quasi-Z-source power converter to emulate the inertia response of a synchronous generator by regulating the DC-link capacitor voltage in proportion to the grid frequency deviation. This paper analyzes the effect of inertia on the frequency regulation of a single-area power system and derives the parameter design method and limitations of the virtual inertia. The paper also introduces the working principle and modulation technique of the quasi-Z-source power converter and presents the virtual inertia control scheme based on a voltage-frequency controller. The paper verifies the feasibility and effectiveness of the proposed strategy through MATLAB/Simulink simulations and dSPACE semi-physical experiments. The results show that the proposed strategy can reduce the frequency deviation and rate of change of frequency (RoCoF) by 20% and 50%, respectively, under load disturbances. The paper demonstrates that the quasi-Z-source power converter can provide flexible and adjustable virtual inertia for distributed power systems without additional energy storage devices." @default.
- W4386838492 created "2023-09-19" @default.
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- W4386838492 date "2023-09-17" @default.
- W4386838492 modified "2023-09-26" @default.
- W4386838492 title "Virtual Inertia Implemented by Quasi-Z-Source Power Converter for Distributed Power System" @default.
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- W4386838492 doi "https://doi.org/10.3390/en16186667" @default.
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