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Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches

Zhida Deng, Grazia Todeschini, Kah Koo, Maxwell Mulimakwenda, Grazia Todeschini

Proceedings of the 11th International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Pages: 130 - 140

Swansea University Author: Grazia Todeschini

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DOI (Published version): 10.5220/0010580101300140

Abstract

With the increasing number of Renewable Energy Sources connected to the power grid, the impact on system operation is becoming more evident. To assess this impact, accurate computer models are required for both the power system and the devices connected to it. Various types of system integration stu...

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Published in: Proceedings of the 11th International Conference on Simulation and Modeling Methodologies, Technologies and Applications
ISBN: 978-989-758-528-9
ISSN: 2184-2841
Published: SCITEPRESS - Science and Technology Publications 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57596
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first_indexed 2021-08-11T08:43:06Z
last_indexed 2023-01-11T14:37:36Z
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spelling 2022-08-17T15:21:24.5740339 v2 57596 2021-08-11 Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches c4ff9050b31bdec0e560b19bfb3b56d3 Grazia Todeschini Grazia Todeschini true false 2021-08-11 FGSEN With the increasing number of Renewable Energy Sources connected to the power grid, the impact on system operation is becoming more evident. To assess this impact, accurate computer models are required for both the power system and the devices connected to it. Various types of system integration studies need to be performed in order to study both steady-state and abnormal operation. Among the steady-state analyses, power quality studies assess the impact of Renewable Energy Sources on parameters such as voltage levels and harmonic content. Harmonic studies are gaining more attention because of the nature of renewable energy sources which are mainly connected to the power grid through electronic power converters, thus producing undesirable harmonics. This paper analyses various settings, solvers and harmonic source models in a commercial software – DIgSILENT PowerFactory – to ensure accurate calculation and correct interpretation of harmonic assessment. A simple model comprising seven harmonic devices is used for the analysis of various case studies. Their results are then compared with the standard IEC model and recommendations are proposed on how to appropriately model the RESs depending on the specific application considered. Conference Paper/Proceeding/Abstract Proceedings of the 11th International Conference on Simulation and Modeling Methodologies, Technologies and Applications 130 140 SCITEPRESS - Science and Technology Publications 978-989-758-528-9 2184-2841 Harmonics, Power Quality, Power Systems Modelling, Renewable Energy Sources, Total Harmonic Distortion, Voltage Unbalance 1 1 2021 2021-01-01 10.5220/0010580101300140 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University UK Engineering and Physical Sciences Research Council (EPSRC); Project EP/T013206/1. 2022-08-17T15:21:24.5740339 2021-08-11T09:40:13.7952587 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Zhida Deng 1 Grazia Todeschini 2 Kah Koo 3 Maxwell Mulimakwenda 4 Grazia Todeschini 5
title Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
spellingShingle Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
Grazia Todeschini
title_short Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
title_full Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
title_fullStr Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
title_full_unstemmed Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
title_sort Modelling Renewable Energy Sources for Harmonic Assessments in DIgSILENT PowerFactory: Comparison of Different Approaches
author_id_str_mv c4ff9050b31bdec0e560b19bfb3b56d3
author_id_fullname_str_mv c4ff9050b31bdec0e560b19bfb3b56d3_***_Grazia Todeschini
author Grazia Todeschini
author2 Zhida Deng
Grazia Todeschini
Kah Koo
Maxwell Mulimakwenda
Grazia Todeschini
format Conference Paper/Proceeding/Abstract
container_title Proceedings of the 11th International Conference on Simulation and Modeling Methodologies, Technologies and Applications
container_start_page 130
publishDate 2021
institution Swansea University
isbn 978-989-758-528-9
issn 2184-2841
doi_str_mv 10.5220/0010580101300140
publisher SCITEPRESS - Science and Technology Publications
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 Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
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description With the increasing number of Renewable Energy Sources connected to the power grid, the impact on system operation is becoming more evident. To assess this impact, accurate computer models are required for both the power system and the devices connected to it. Various types of system integration studies need to be performed in order to study both steady-state and abnormal operation. Among the steady-state analyses, power quality studies assess the impact of Renewable Energy Sources on parameters such as voltage levels and harmonic content. Harmonic studies are gaining more attention because of the nature of renewable energy sources which are mainly connected to the power grid through electronic power converters, thus producing undesirable harmonics. This paper analyses various settings, solvers and harmonic source models in a commercial software – DIgSILENT PowerFactory – to ensure accurate calculation and correct interpretation of harmonic assessment. A simple model comprising seven harmonic devices is used for the analysis of various case studies. Their results are then compared with the standard IEC model and recommendations are proposed on how to appropriately model the RESs depending on the specific application considered.
published_date 2021-01-01T04:13:27Z
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score 11.012678

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