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Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance

Ioannis Mexis, Grazia Todeschini, Zhongfu Zhou Orcid Logo

IEEE Transactions on Energy Conversion, Volume: 37, Issue: 4, Pages: 1 - 24

Swansea University Authors: Ioannis Mexis, Grazia Todeschini, Zhongfu Zhou Orcid Logo

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DOI (Published version): 10.1109/tec.2022.3202137

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Abstract—This paper proposes a control algorithm for single-phase battery inverters to provide voltage unbalance compensation in distribution networks with high penetration of photovoltaic panels and electric vehicles. A typical distribution system is studied to quantify the impact of single-phase l...

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Published in: IEEE Transactions on Energy Conversion
ISSN: 0885-8969 1558-0059
Published: USA Institute of Electrical and Electronics Engineers (IEEE) 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa61052
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spelling 2023-01-05T13:18:25.8020355 v2 61052 2022-09-06 Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance 2b7b3c49b06ce53fc87af2ac52084987 Ioannis Mexis Ioannis Mexis true false c4ff9050b31bdec0e560b19bfb3b56d3 Grazia Todeschini Grazia Todeschini true false 614fc57cde2ee383718d4f4c462b5fba 0000-0002-0843-7253 Zhongfu Zhou Zhongfu Zhou true false 2022-09-06 FGSEN Abstract—This paper proposes a control algorithm for single-phase battery inverters to provide voltage unbalance compensation in distribution networks with high penetration of photovoltaic panels and electric vehicles. A typical distribution system is studied to quantify the impact of single-phase loads and generating units on voltage unbalance levels, and identify the conditions that lead to the highest voltage unbalance. Voltage unbalance compensation is then performed by regulating active and reactive power exchange between three single-phase battery energy storage units and the power grid. The proposed control strategy consists of an upper level control system to coordinatethe three units by sending active and reactive power reference signals, and a BESS control system to regulate active and reactive power exchange between each single-phase inverter and the grid. Simulation results show that the effectiveness of this approach depends on the location where the energy storage units are installed. The positive impact of the proposed methodology on balancing the power flow and reducing the transformer zero sequence current is also demonstrated. Finally, Hardware-In-The-Loop (HIL) experiments are carried out to provide validation of the control algorithm in real-time. Journal Article IEEE Transactions on Energy Conversion 37 4 1 24 Institute of Electrical and Electronics Engineers (IEEE) USA 0885-8969 1558-0059 Ancillary services, battery energy storage systems, single–phase inverter, voltage unbalance compensation, voltage unbalance factor 31 8 2022 2022-08-31 10.1109/tec.2022.3202137 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University EPSRC This research work was supported by an EPSRC (Engineering and Physical Sciences Research Council) grant number EP/T013206/2. 2023-01-05T13:18:25.8020355 2022-09-06T09:53:25.7704455 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Ioannis Mexis 1 Grazia Todeschini 2 Zhongfu Zhou 0000-0002-0843-7253 3 61052__25368__35dfd823984a46369995096bae02a94a.pdf 61052.pdf 2022-10-10T09:49:05.5284735 Output 1906078 application/pdf Accepted Manuscript true true eng
title Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
spellingShingle Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
Ioannis Mexis
Grazia Todeschini
Zhongfu Zhou
title_short Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
title_full Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
title_fullStr Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
title_full_unstemmed Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
title_sort Coordinated Control of Three Single–Phase BESS Inverters Using Local Measurements to Mitigate Voltage Unbalance
author_id_str_mv 2b7b3c49b06ce53fc87af2ac52084987
c4ff9050b31bdec0e560b19bfb3b56d3
614fc57cde2ee383718d4f4c462b5fba
author_id_fullname_str_mv 2b7b3c49b06ce53fc87af2ac52084987_***_Ioannis Mexis
c4ff9050b31bdec0e560b19bfb3b56d3_***_Grazia Todeschini
614fc57cde2ee383718d4f4c462b5fba_***_Zhongfu Zhou
author Ioannis Mexis
Grazia Todeschini
Zhongfu Zhou
author2 Ioannis Mexis
Grazia Todeschini
Zhongfu Zhou
format Journal article
container_title IEEE Transactions on Energy Conversion
container_volume 37
container_issue 4
container_start_page 1
publishDate 2022
institution Swansea University
issn 0885-8969
1558-0059
doi_str_mv 10.1109/tec.2022.3202137
publisher Institute of Electrical and Electronics Engineers (IEEE)
college_str Faculty of Science and Engineering
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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
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description Abstract—This paper proposes a control algorithm for single-phase battery inverters to provide voltage unbalance compensation in distribution networks with high penetration of photovoltaic panels and electric vehicles. A typical distribution system is studied to quantify the impact of single-phase loads and generating units on voltage unbalance levels, and identify the conditions that lead to the highest voltage unbalance. Voltage unbalance compensation is then performed by regulating active and reactive power exchange between three single-phase battery energy storage units and the power grid. The proposed control strategy consists of an upper level control system to coordinatethe three units by sending active and reactive power reference signals, and a BESS control system to regulate active and reactive power exchange between each single-phase inverter and the grid. Simulation results show that the effectiveness of this approach depends on the location where the energy storage units are installed. The positive impact of the proposed methodology on balancing the power flow and reducing the transformer zero sequence current is also demonstrated. Finally, Hardware-In-The-Loop (HIL) experiments are carried out to provide validation of the control algorithm in real-time.
published_date 2022-08-31T04:17:22Z
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score 10.938396

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