Passivity-based control technique for integration of DG resources into the power grid

Majid Mehrasa, M. Ebrahim Adabi, Edris Pouresmaeil*, Jafar Adabi

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Abstrakt

This paper deals with a control method for integration of Distributed Generation (DG) sources to the power grid. The proposed control strategy has been designed based on passivity technique and provides compensation for the active, reactive, and harmonic current components of loads during the connection of DG link to the grid. The proper switching functions of interfaced converter have been defined based on the passivity method through the achieving space equations and suitable series damping injection. The proposed control plan is completed by setting suitable reference current components for the d and q axis in the control loop of DG, which are defined based on the objectives of proposed method. The effectiveness of the proposed control scheme is validated with injection of maximum available power from the DG resources to the power grid, correction of power factor between the grid current and load voltage, generates a fix voltage at the point of common coupling (PCC), and reduces total harmonic distortion (THD) of grid current, through the simulation results under steady-state and dynamic operating conditions.

OriginalsprogEngelsk
TidsskriftInternational Journal of Electrical Power & Energy Systems
Vol/bind58
Sider (fra-til)281-290
Antal sider10
ISSN0142-0615
DOI
StatusUdgivet - 1. jun. 2014

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