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Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model

Meghdad Fazeli Orcid Logo, Janaka B. Ekanayake, Paul Holland, Petar Igic Orcid Logo

IEEE Transactions on Energy Conversion, Volume: 29, Issue: 2, Pages: 453 - 462

Swansea University Authors: Meghdad Fazeli Orcid Logo, Paul Holland, Petar Igic Orcid Logo

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DOI (Published version): 10.1109/TEC.2014.2300012

Abstract

As penetration of distributed generation increases, the electrical distribution networks may encounter several challenges mainly related to voltage control. The situation may deteriorate in case of a weak grid connected to an intermittent source such as photovoltaic (PV) generation. Fast varying sol...

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Published in: IEEE Transactions on Energy Conversion
ISSN: 0885-8969 1558-0059
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa17304
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first_indexed 2014-02-13T02:30:01Z
last_indexed 2023-01-31T03:22:37Z
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spelling 2023-01-30T14:39:51.4297516 v2 17304 2014-02-12 Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model b7aae4026707ed626d812d07018a2113 0000-0003-1448-5339 Meghdad Fazeli Meghdad Fazeli true false 9c7eea4ea9d615fcbf2801a672dd2e7f Paul Holland Paul Holland true false e085acc259a367abc89338346a150186 0000-0001-8150-8815 Petar Igic Petar Igic true false 2014-02-12 EEEG As penetration of distributed generation increases, the electrical distribution networks may encounter several challenges mainly related to voltage control. The situation may deteriorate in case of a weak grid connected to an intermittent source such as photovoltaic (PV) generation. Fast varying solar irradiance can cause unacceptable voltage variations that may not be easily compensated by slow-responding utility equipment. The PV inverter can be used to control the grid voltage by injecting/absorbing reactive power. A small-signal model is derived in order to study the stability of a PV inverter exchanging reactive power with the grid. This paper also proposes a method that utilizes the available capacity of the PV inverter to support the grid voltage without violating the rating of the inverter and the maximum voltage that the inverter's switching device can withstand. The method proposed in this paper is validated using PSCAD/EMTDC simulations. Journal Article IEEE Transactions on Energy Conversion 29 2 453 462 0885-8969 1558-0059 30 6 2014 2014-06-30 10.1109/TEC.2014.2300012 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2023-01-30T14:39:51.4297516 2014-02-12T12:40:54.9776811 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Meghdad Fazeli 0000-0003-1448-5339 1 Janaka B. Ekanayake 2 Paul Holland 3 Petar Igic 0000-0001-8150-8815 4
title Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
spellingShingle Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
Meghdad Fazeli
Paul Holland
Petar Igic
title_short Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
title_full Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
title_fullStr Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
title_full_unstemmed Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
title_sort Exploiting PV Inverters to Support Local Voltage—A Small-Signal Model
author_id_str_mv b7aae4026707ed626d812d07018a2113
9c7eea4ea9d615fcbf2801a672dd2e7f
e085acc259a367abc89338346a150186
author_id_fullname_str_mv b7aae4026707ed626d812d07018a2113_***_Meghdad Fazeli
9c7eea4ea9d615fcbf2801a672dd2e7f_***_Paul Holland
e085acc259a367abc89338346a150186_***_Petar Igic
author Meghdad Fazeli
Paul Holland
Petar Igic
author2 Meghdad Fazeli
Janaka B. Ekanayake
Paul Holland
Petar Igic
format Journal article
container_title IEEE Transactions on Energy Conversion
container_volume 29
container_issue 2
container_start_page 453
publishDate 2014
institution Swansea University
issn 0885-8969
1558-0059
doi_str_mv 10.1109/TEC.2014.2300012
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
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
document_store_str 0
active_str 0
description As penetration of distributed generation increases, the electrical distribution networks may encounter several challenges mainly related to voltage control. The situation may deteriorate in case of a weak grid connected to an intermittent source such as photovoltaic (PV) generation. Fast varying solar irradiance can cause unacceptable voltage variations that may not be easily compensated by slow-responding utility equipment. The PV inverter can be used to control the grid voltage by injecting/absorbing reactive power. A small-signal model is derived in order to study the stability of a PV inverter exchanging reactive power with the grid. This paper also proposes a method that utilizes the available capacity of the PV inverter to support the grid voltage without violating the rating of the inverter and the maximum voltage that the inverter's switching device can withstand. The method proposed in this paper is validated using PSCAD/EMTDC simulations.
published_date 2014-06-30T03:19:57Z
_version_ 1763750547087687680
score 11.035655

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