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A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems

Hao Wen, Meghdad Fazeli Orcid Logo

Electric Power Systems Research, Volume: 173, Pages: 271 - 280

Swansea University Author: Meghdad Fazeli Orcid Logo

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DOI (Published version): 10.1016/j.epsr.2019.04.039

Abstract

This paper presents a new control strategy for low-voltage ride-through for 3-phase grid-connected photovoltaic systems. The proposed fault ride through control algorithm, which is designed based on mixed potential function, can protect the inverter from overcurrent failure under both symmetric and...

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Published in: Electric Power Systems Research
ISSN: 0378-7796
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa50131
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first_indexed 2019-05-09T20:00:57Z
last_indexed 2019-05-13T13:49:01Z
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spelling 2019-05-10T14:58:52.6415624 v2 50131 2019-04-30 A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems b7aae4026707ed626d812d07018a2113 0000-0003-1448-5339 Meghdad Fazeli Meghdad Fazeli true false 2019-04-30 EEEG This paper presents a new control strategy for low-voltage ride-through for 3-phase grid-connected photovoltaic systems. The proposed fault ride through control algorithm, which is designed based on mixed potential function, can protect the inverter from overcurrent failure under both symmetric and asymmetric faults, reduce the double frequency oscillation and provides reactive power support by applying a voltage compensation unit. With the proposed method, the inverter can also inject sinusoidal current during asymmetric faults. The method does not require a hard switch to switch from the Maximum Power Point Tracking (MPPT) to a non-MPPT algorithm, which ensures a smooth transition. Journal Article Electric Power Systems Research 173 271 280 0378-7796 Current control, Fault-ride-through, Photovoltaic, Micro-grids, Large-signal analysis 31 8 2019 2019-08-31 10.1016/j.epsr.2019.04.039 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2019-05-10T14:58:52.6415624 2019-04-30T13:20:18.0069459 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Hao Wen 1 Meghdad Fazeli 0000-0003-1448-5339 2 0050131-30042019132301.pdf wen2019.pdf 2019-04-30T13:23:01.3270000 Output 1710119 application/pdf Accepted Manuscript true 2020-05-06T00:00:00.0000000 true eng
title A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
spellingShingle A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
Meghdad Fazeli
title_short A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
title_full A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
title_fullStr A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
title_full_unstemmed A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
title_sort A low-voltage ride-through strategy using mixed potential function for three-phase grid-connected PV systems
author_id_str_mv b7aae4026707ed626d812d07018a2113
author_id_fullname_str_mv b7aae4026707ed626d812d07018a2113_***_Meghdad Fazeli
author Meghdad Fazeli
author2 Hao Wen
Meghdad Fazeli
format Journal article
container_title Electric Power Systems Research
container_volume 173
container_start_page 271
publishDate 2019
institution Swansea University
issn 0378-7796
doi_str_mv 10.1016/j.epsr.2019.04.039
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 1
active_str 0
description This paper presents a new control strategy for low-voltage ride-through for 3-phase grid-connected photovoltaic systems. The proposed fault ride through control algorithm, which is designed based on mixed potential function, can protect the inverter from overcurrent failure under both symmetric and asymmetric faults, reduce the double frequency oscillation and provides reactive power support by applying a voltage compensation unit. With the proposed method, the inverter can also inject sinusoidal current during asymmetric faults. The method does not require a hard switch to switch from the Maximum Power Point Tracking (MPPT) to a non-MPPT algorithm, which ensures a smooth transition.
published_date 2019-08-31T04:01:28Z
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score 11.036531

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