Coordinated Control Based on Bus-Signaling and Virtual Inertia for Islanded DC Microgrids

Dan Wu, Fen Tang, Tomislav Dragicevic, Josep M. Guerrero, Juan Carlos Vasquez

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187 Citationer (Scopus)
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Abstract

A low-voltage DC islanded microgrid contains a number of renewable energy sources (RES), local loads, and energy storage systems (ESS). To avoid the over-charging and over-discharging situations of ESS, a coordinated control strategy should be used in DC islanded microgrids. In this paper, a novel bus-signaling method (BSM) is proposed to achieve autonomous coordinated performance of system according to different state of charge (SoC) conditions. Additionally, a secondary coordinated control is introduced to restore the voltage deviation produced by primary control level without decaying coordinated performance. The proposed control algorithm and controller implementation based on BSM are also presented. Finally, real-time simulation results show the feasibility of the proposed approach by presenting the operation of a DC islanded microgrid in different testing scenarios.
OriginalsprogEngelsk
TidsskriftI E E E Transactions on Smart Grid
Vol/bind6
Udgave nummer6
Sider (fra-til)2627 - 2638
Antal sider12
ISSN1949-3053
DOI
StatusUdgivet - nov. 2015

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