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Machine Intelligence Research

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01-02-2013

H∞ Robust Control of DC- AC Interfaced Microsource in Microgrids

Authors: Chun-Xia Dou, Fang Zhao, Xing-Bei Jia, Dong-Le Liu

Published in: Machine Intelligence Research | Issue 1/2013

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Abstract

This paper focuses on the direct current - alternating current (DC-AC) interfaced microsource based H∞ robust control strategies in microgrids. It presents detail of a DC-AC interfaced microsource model which is connected to the power grid through a controllable switch. A double loop current-regulated voltage control scheme for the DC-AC interface is designed. In the case of the load disturbance and the model uncertainties, the inner voltage and current loop are produced based on the H∞ robust control strategies. The outer power loop uses the droop characteristic controller. Finally, the scheme is simulated using the Matlab/Simulink. The simulation results demonstrate that DC-AC interfaced microsource system can supply high quality power. Also, the proposed control scheme can make the system switch smoothly between the isolated mode and grid-connected mode.

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Title: H∞ Robust Control of DC- AC Interfaced Microsource in Microgrids
Authors: Chun-Xia Dou
Fang Zhao
Xing-Bei Jia
Dong-Le Liu
Publication date: 01-02-2013
Publisher: Springer-Verlag
Published in: Machine Intelligence Research / Issue 1/2013
Print ISSN: 2731-538X
Electronic ISSN: 2731-5398
DOI: https://doi.org/10.1007/s11633-013-0698-9

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