Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics
Large integration of renewable energy sources has caused a dramatic reduction of inertia in modern power grids. Which has caused the development of virtual inertia techniques facilitating support from power electronic interfaced devices. In this paper, we consider traditionally dismissed phenomena s...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-05-01
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| Series: | Energy Strategy Reviews |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211467X23000445 |
| _version_ | 1797822065146855424 |
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| author | Dominique Alonso Sørensen Daniel Vázquez Pombo Esther Torres Iglesias |
| author_facet | Dominique Alonso Sørensen Daniel Vázquez Pombo Esther Torres Iglesias |
| author_sort | Dominique Alonso Sørensen |
| collection | DOAJ |
| description | Large integration of renewable energy sources has caused a dramatic reduction of inertia in modern power grids. Which has caused the development of virtual inertia techniques facilitating support from power electronic interfaced devices. In this paper, we consider traditionally dismissed phenomena such as local frequency dynamics in order to propose a methodology sizing the virtual inertia contribution requirements of energy storage systems. Such sizing considers: first, a given safety level defined in terms of maximum allowed rate of change of frequency (RoCoF) for the reference fault; and second the local area dynamics. This allows to distribute the inertia provision effort around the power system resulting in lower overall power and energy requirements for the energy storage. The validation is approached using the IEEE 9-bus system, then, the island of Santiago, Cape Verde is employed as a realistic study exploring its inertia needs. Such isolated system aims to reach 100% renewable energy in the next decades and yet, it has been stuck around 20% for the past 7 years due to instability concerns. Therefore, this system would strongly benefit from virtual inertia integration. The method proves to improve the frequency response not only of the overall system, but also of the individual areas. |
| first_indexed | 2024-03-13T10:03:19Z |
| format | Article |
| id | doaj.art-8d3fcbad9c024ad0b2f6ae00cf4d4ede |
| institution | Directory Open Access Journal |
| issn | 2211-467X |
| language | English |
| last_indexed | 2024-03-13T10:03:19Z |
| publishDate | 2023-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Energy Strategy Reviews |
| spelling | doaj.art-8d3fcbad9c024ad0b2f6ae00cf4d4ede2023-05-23T04:21:43ZengElsevierEnergy Strategy Reviews2211-467X2023-05-0147101094Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamicsDominique Alonso Sørensen0Daniel Vázquez Pombo1Esther Torres Iglesias2Department of Electrical Engineering, University of the Basque Country (UPV/EHU), Ingeniero Torres Quevedo Plaza, 1, Bilbao, 48013, Spain; Grid Connection Department, Arteche, Derio Bidea 28, Munguia, 48100, Spain; Corresponding author. Department of Electrical Engineering, University of the Basque Country (UPV/EHU), Ingeniero Torres Quevedo Plaza 1, Bilbao 48013, Spain.Department of Wind and Energy Systems, Technical University of Denmark (DTU), Frederikborsvej 399, Roskilde, 4000, Denmark; R&D Strategic Development, Vattenfall AB, Evenemangsgatan 13C, Solna, 169 56, SwedenDepartment of Electrical Engineering, University of the Basque Country (UPV/EHU), Ingeniero Torres Quevedo Plaza, 1, Bilbao, 48013, SpainLarge integration of renewable energy sources has caused a dramatic reduction of inertia in modern power grids. Which has caused the development of virtual inertia techniques facilitating support from power electronic interfaced devices. In this paper, we consider traditionally dismissed phenomena such as local frequency dynamics in order to propose a methodology sizing the virtual inertia contribution requirements of energy storage systems. Such sizing considers: first, a given safety level defined in terms of maximum allowed rate of change of frequency (RoCoF) for the reference fault; and second the local area dynamics. This allows to distribute the inertia provision effort around the power system resulting in lower overall power and energy requirements for the energy storage. The validation is approached using the IEEE 9-bus system, then, the island of Santiago, Cape Verde is employed as a realistic study exploring its inertia needs. Such isolated system aims to reach 100% renewable energy in the next decades and yet, it has been stuck around 20% for the past 7 years due to instability concerns. Therefore, this system would strongly benefit from virtual inertia integration. The method proves to improve the frequency response not only of the overall system, but also of the individual areas.http://www.sciencedirect.com/science/article/pii/S2211467X23000445AfricaSupercapacitorBESSFFRLocal inertiaInertia distribution |
| spellingShingle | Dominique Alonso Sørensen Daniel Vázquez Pombo Esther Torres Iglesias Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics Energy Strategy Reviews Africa Supercapacitor BESS FFR Local inertia Inertia distribution |
| title | Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics |
| title_full | Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics |
| title_fullStr | Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics |
| title_full_unstemmed | Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics |
| title_short | Energy storage sizing for virtual inertia contribution based on ROCOF and local frequency dynamics |
| title_sort | energy storage sizing for virtual inertia contribution based on rocof and local frequency dynamics |
| topic | Africa Supercapacitor BESS FFR Local inertia Inertia distribution |
| url | http://www.sciencedirect.com/science/article/pii/S2211467X23000445 |
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