Effective power sharing approach for islanded microgrids
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Hossain, MA
Hossain, MJ
Pota, HR
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Bangkok, Thailand
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Abstract
A droop control-based approach of effective power sharing among four parallel inverter-interfaced generators in an islanded microgrid has been proposed in this paper. Droop control strategy is applied during load change in islanded microgrid system in a way that power sharing among all the generators is also equal. This paper describes the small-signal stability analysis method to select the control gains needed to stabilize the considered microgrid system with desired power sharing among different generators connected in various buses. The real powers of distributed-generation (DG) units are shared based on the frequency, whereas a linear model is used to tune controller for reactive power sharing in this paper. The proposed power sharing scheme is verified with the help of MATLAB simulation.
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2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)
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© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Electrical and Electronic Engineering not elsewhere classified