Modeling, analysis, and design of stationary reference frame droop controlled parallel three-phase voltage source inverters

Juan Carlos Vasquez, Josep M. Guerrero, Mehdi Savaghebi, Joaquin Eloy-Garcia, Remus Teodorescu

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

587 Citationer (Scopus)
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Abstract

Power electronics based MicroGrids consist of a number of voltage source inverters (VSIs) operating in parallel. In this paper, the modeling, control design, and stability analysis of parallel connected three-phase VSIs are derived. The proposed voltage and current inner control loops and the mathematical models of the VSIs are based on the stationary reference frame. A hierarchical control scheme for the paralleled VSI system is developed comprising two levels. The primary control includes the droop method and the virtual impedance loops, in order to share active and reactive power. The secondary control restores the frequency and amplitude deviations produced by the primary control. Also, a synchronization algorithm is presented in order to connect the MicroGrid to the grid. Experimental results are provided to validate the performance and robustness of the parallel VSI system control architecture.
OriginalsprogEngelsk
TidsskriftI E E E Transactions on Industrial Electronics
Vol/bind60
Udgave nummer4
Sider (fra-til)1271-1280
Antal sider10
ISSN0278-0046
DOI
StatusUdgivet - 2013

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