Distributed power quality improvement in residential microgrids

Naderi, Yahya and Hosseini, Seyed Hossein and Ghassem Zadeh, Saeed and Mohammadi-Ivatlo, Behnam and Vasquez, Juan C. and Guerrero, Josep M.; (2018) Distributed power quality improvement in residential microgrids. In: 2017 10th International Conference on Electrical and Electronics Engineering (ELECO). IEEE, TUR, pp. 90-94. ISBN 978-605-01-1134-7

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    The importance of power quality issue on micro grids and also the changing nature of power system distortions will lead the future power systems to use distributed power quality improvement (DPQI) devices. One possible choice of these DPQIs are multifunctional DGs that could compensate some harmonics in the location of generation and prevent the harmonics to enter main power grid. In this paper a control method based on virtual harmonic impedance is presented for these multifunctional DGs and the effect of the location of these DGs on compensation procedure is studied with simulating the different situations. Finally a comparison is presented between different states of using DGs as PQI devices. To verify the feasibility of the control method a comparison is done between the presented method results and IEEE power quality standard limits.