the integrated switching control strategy for grid-connected and islanding operation of micro-grid inverters based on a virtual synchronous generator

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ID: 131100
2018
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Abstract
In allusion to the virtual synchronous generator (VSG)-based voltage source inverters in micro-grids, an integrated control method combining a quasi-synchronization algorithm and an islanding detection algorithm is proposed to improve the power supply reliability and quality, which can simultaneously meet the operational requirements of both grid-connected mode (GCM) and off-grid mode (OGM), and the smooth switching between them. The quasi-synchronization algorithm of the micro-grid inverter is designed to realize a flexible grid connection. Moreover, for quickly detecting islanding phenomena, a novel islanding detection algorithm based on the VSG’s inherent characteristics is put forward. Finally, the validity and availability of the proposed models and control strategies are comprehensively verified by simulation results based on Matlab/Simulink.
Reference Key
shi2018energiesthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Kai Shi;Guanglei Zhou;Peifeng Xu;Haihan Ye;Fei Tan
Journal acs combinatorial science
Year 2018
DOI
10.3390/en11061544
URL
http://www.mdpi.com/1996-1073/11/6/1544
Keywords
smooth-switch control strategytechnology

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