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Conference Paper/Proceeding/Abstract 1102 views

Dynamic active power sharing in a resistive microgrid

Augustine Egwebe Orcid Logo, Megdad Fazeli, Petar Igic, Paul Holland, Meghdad Fazeli Orcid Logo

2016 4th International Symposium on Environmental Friendly Energies and Applications (EFEA), Pages: 1 - 6

Swansea University Authors: Augustine Egwebe Orcid Logo, Meghdad Fazeli Orcid Logo

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DOI (Published version): 10.1109/EFEA.2016.7748790

Abstract

This paper explores the use of a dynamic virtual impedance approach to load sharing as an alternative to the more generic droop load sharing scheme for low-voltage islanded micro-grids. The approach is based on taking advantage of the power decoupling capability of the virtual impedance scheme to fa...

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Published in: 2016 4th International Symposium on Environmental Friendly Energies and Applications (EFEA)
ISBN: 978-1-5090-0749-3
Published: Belgrade 2016
URI: https://cronfa.swan.ac.uk/Record/cronfa30099
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spelling 2017-11-09T14:22:29.2816044 v2 30099 2016-09-19 Dynamic active power sharing in a resistive microgrid d5ffa623b56e225005868c183357e133 0000-0001-6478-1203 Augustine Egwebe Augustine Egwebe true false b7aae4026707ed626d812d07018a2113 0000-0003-1448-5339 Meghdad Fazeli Meghdad Fazeli true false 2016-09-19 EEEG This paper explores the use of a dynamic virtual impedance approach to load sharing as an alternative to the more generic droop load sharing scheme for low-voltage islanded micro-grids. The approach is based on taking advantage of the power decoupling capability of the virtual impedance scheme to facilitate appropriate load sharing based on the available generation capacity of distributed generation (DG) units. The proposed scheme identifies the DC operating zone of the photovoltaic inverter-based unit as irradiance levels change and conditions the virtual impedance loop for an efficient load sharing based on available generation. This dynamic approach allows taking into account the rating, output impedance and voltage limits of each unit. The proposed scheme provides energy saving; since energy demand from a local auxiliary generator is reduced. Results from the proposed dynamic scheme were tested on a P-f/Q-V droop, in the presence of virtual impedance, and results were compared with the conventional-static virtual impedance loading method. The proposed method is validated using MATLAB/SIMULINK simulations. Conference Paper/Proceeding/Abstract 2016 4th International Symposium on Environmental Friendly Energies and Applications (EFEA) 1 6 Belgrade 978-1-5090-0749-3 14 8 2016 2016-08-14 10.1109/EFEA.2016.7748790 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2017-11-09T14:22:29.2816044 2016-09-19T11:47:39.7153230 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Augustine Egwebe 0000-0001-6478-1203 1 Megdad Fazeli 2 Petar Igic 3 Paul Holland 4 Meghdad Fazeli 0000-0003-1448-5339 5
title Dynamic active power sharing in a resistive microgrid
spellingShingle Dynamic active power sharing in a resistive microgrid
Augustine Egwebe
Meghdad Fazeli
title_short Dynamic active power sharing in a resistive microgrid
title_full Dynamic active power sharing in a resistive microgrid
title_fullStr Dynamic active power sharing in a resistive microgrid
title_full_unstemmed Dynamic active power sharing in a resistive microgrid
title_sort Dynamic active power sharing in a resistive microgrid
author_id_str_mv d5ffa623b56e225005868c183357e133
b7aae4026707ed626d812d07018a2113
author_id_fullname_str_mv d5ffa623b56e225005868c183357e133_***_Augustine Egwebe
b7aae4026707ed626d812d07018a2113_***_Meghdad Fazeli
author Augustine Egwebe
Meghdad Fazeli
author2 Augustine Egwebe
Megdad Fazeli
Petar Igic
Paul Holland
Meghdad Fazeli
format Conference Paper/Proceeding/Abstract
container_title 2016 4th International Symposium on Environmental Friendly Energies and Applications (EFEA)
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publishDate 2016
institution Swansea University
isbn 978-1-5090-0749-3
doi_str_mv 10.1109/EFEA.2016.7748790
college_str Faculty of Science and Engineering
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hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
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description This paper explores the use of a dynamic virtual impedance approach to load sharing as an alternative to the more generic droop load sharing scheme for low-voltage islanded micro-grids. The approach is based on taking advantage of the power decoupling capability of the virtual impedance scheme to facilitate appropriate load sharing based on the available generation capacity of distributed generation (DG) units. The proposed scheme identifies the DC operating zone of the photovoltaic inverter-based unit as irradiance levels change and conditions the virtual impedance loop for an efficient load sharing based on available generation. This dynamic approach allows taking into account the rating, output impedance and voltage limits of each unit. The proposed scheme provides energy saving; since energy demand from a local auxiliary generator is reduced. Results from the proposed dynamic scheme were tested on a P-f/Q-V droop, in the presence of virtual impedance, and results were compared with the conventional-static virtual impedance loading method. The proposed method is validated using MATLAB/SIMULINK simulations.
published_date 2016-08-14T03:36:44Z
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score 11.005727