Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid

This paper presents a new control approach to facilitate dynamic power sharing among parallel converter-interfaced distributed energy resources (DERs) in an islanded microgrid (MG). It is assumed that the power ratio is determined by the distribution network tertiary controller and passed to the pri...

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Main Authors: Hosseinimehr, T., Shahnia, Farhad, Ghosh, Arindam
Format: Conference Paper
Published: 2015
Online Access:http://hdl.handle.net/20.500.11937/20788
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author Hosseinimehr, T.
Shahnia, Farhad
Ghosh, Arindam
author_facet Hosseinimehr, T.
Shahnia, Farhad
Ghosh, Arindam
author_sort Hosseinimehr, T.
building Curtin Institutional Repository
collection Online Access
description This paper presents a new control approach to facilitate dynamic power sharing among parallel converter-interfaced distributed energy resources (DERs) in an islanded microgrid (MG). It is assumed that the power ratio is determined by the distribution network tertiary controller and passed to the primary controllers of each DER by the MG central controller. In this paper, an internal balancing inductance (IBI) is imposed to the system by the DER converter control which ensures the desired power ratio at the output of the DER converter and filter system. Stability analysis of the MG system is investigated with the proposed control approach. The proposed method defines the optimal IBI to guarantee the system stability and minimum error in the ratio of the output active and reactive power among the DERs. The discussions are validated for an islanded MG through PSCAD/EMTDC and MATLAB simulation studies.
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institution Curtin University Malaysia
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spelling curtin-20.500.11937-207882017-09-13T13:48:58Z Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid Hosseinimehr, T. Shahnia, Farhad Ghosh, Arindam This paper presents a new control approach to facilitate dynamic power sharing among parallel converter-interfaced distributed energy resources (DERs) in an islanded microgrid (MG). It is assumed that the power ratio is determined by the distribution network tertiary controller and passed to the primary controllers of each DER by the MG central controller. In this paper, an internal balancing inductance (IBI) is imposed to the system by the DER converter control which ensures the desired power ratio at the output of the DER converter and filter system. Stability analysis of the MG system is investigated with the proposed control approach. The proposed method defines the optimal IBI to guarantee the system stability and minimum error in the ratio of the output active and reactive power among the DERs. The discussions are validated for an islanded MG through PSCAD/EMTDC and MATLAB simulation studies. 2015 Conference Paper http://hdl.handle.net/20.500.11937/20788 10.1109/PTC.2015.7232566 restricted
spellingShingle Hosseinimehr, T.
Shahnia, Farhad
Ghosh, Arindam
Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid
title Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid
title_full Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid
title_fullStr Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid
title_full_unstemmed Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid
title_short Dynamic power sharing control among converter-interfaced DERs in an autonomous microgrid
title_sort dynamic power sharing control among converter-interfaced ders in an autonomous microgrid
url http://hdl.handle.net/20.500.11937/20788