Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems
Power systems evolve towards more renewable and less conventional electricity supply. This, however, brings significant technical challenges, as conventional sources naturally provide system resilience. One of the key dimensions of this resilience is system strength, which is rapidly depleted with t...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-07-01
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| Series: | International Journal of Electrical Power & Energy Systems |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0142061525001875 |
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| author | Aleksandar Boričić Marjan Popov |
| author_facet | Aleksandar Boričić Marjan Popov |
| author_sort | Aleksandar Boričić |
| collection | DOAJ |
| description | Power systems evolve towards more renewable and less conventional electricity supply. This, however, brings significant technical challenges, as conventional sources naturally provide system resilience. One of the key dimensions of this resilience is system strength, which is rapidly depleted with the phase-out of fossil-based synchronous generation. This paper commences by exploring the intricate steady- and dynamic-state aspects of system strength, and consequently elevated risks of voltage instability. A new holistic definition of system strength is further proposed. Considering the stability challenges of modern power systems, grid operators need to be aware of any vulnerable grid sections and dangerous operating scenarios to always ensure system security and stability. Nevertheless, the rising complexity of modelling and analysis of dynamics in modern power systems makes this task increasingly challenging. The large number of grid locations with complex inverter-based generation and load, paired with parameter uncertainty, make deterministic analytical analyses of voltage stability and system strength increasingly challenging and time-consuming. A novel data-driven voltage stability and system strength assessment method, termed Voltage Vulnerability Curves (VVCs), is hereby proposed to address these challenges. The method is designed to cut through the complexity of modern power systems’ dynamics and provide advanced system strength and voltage vulnerability insights. |
| format | Article |
| id | doaj-art-e162f631fec14e2ab424faf9c11d5ffc |
| institution | OA Journals |
| issn | 0142-0615 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal of Electrical Power & Energy Systems |
| spelling | doaj-art-e162f631fec14e2ab424faf9c11d5ffc2025-08-20T01:51:54ZengElsevierInternational Journal of Electrical Power & Energy Systems0142-06152025-07-0116811063610.1016/j.ijepes.2025.110636Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systemsAleksandar Boričić0Marjan Popov1Delft University of Technology, Faculty of EEMCS, Mekelweg 4, Delft 2628 CD, the Netherlands; TenneT TSO, Utrechtseweg 310, 6812 AR Arnhem, the Netherlands; Corresponding author at: Delft University of Technology, Faculty of EEMCS, Mekelweg 4, Delft 2628 CD, The Netherlands.Delft University of Technology, Faculty of EEMCS, Mekelweg 4, Delft 2628 CD, the NetherlandsPower systems evolve towards more renewable and less conventional electricity supply. This, however, brings significant technical challenges, as conventional sources naturally provide system resilience. One of the key dimensions of this resilience is system strength, which is rapidly depleted with the phase-out of fossil-based synchronous generation. This paper commences by exploring the intricate steady- and dynamic-state aspects of system strength, and consequently elevated risks of voltage instability. A new holistic definition of system strength is further proposed. Considering the stability challenges of modern power systems, grid operators need to be aware of any vulnerable grid sections and dangerous operating scenarios to always ensure system security and stability. Nevertheless, the rising complexity of modelling and analysis of dynamics in modern power systems makes this task increasingly challenging. The large number of grid locations with complex inverter-based generation and load, paired with parameter uncertainty, make deterministic analytical analyses of voltage stability and system strength increasingly challenging and time-consuming. A novel data-driven voltage stability and system strength assessment method, termed Voltage Vulnerability Curves (VVCs), is hereby proposed to address these challenges. The method is designed to cut through the complexity of modern power systems’ dynamics and provide advanced system strength and voltage vulnerability insights.http://www.sciencedirect.com/science/article/pii/S0142061525001875Power systemsSystem strengthVoltage stabilityData-drivenResilienceVulnerability |
| spellingShingle | Aleksandar Boričić Marjan Popov Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems International Journal of Electrical Power & Energy Systems Power systems System strength Voltage stability Data-driven Resilience Vulnerability |
| title | Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems |
| title_full | Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems |
| title_fullStr | Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems |
| title_full_unstemmed | Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems |
| title_short | Voltage vulnerability curves: Data-driven dynamic security assessment of voltage stability and system strength in modern power systems |
| title_sort | voltage vulnerability curves data driven dynamic security assessment of voltage stability and system strength in modern power systems |
| topic | Power systems System strength Voltage stability Data-driven Resilience Vulnerability |
| url | http://www.sciencedirect.com/science/article/pii/S0142061525001875 |
| work_keys_str_mv | AT aleksandarboricic voltagevulnerabilitycurvesdatadrivendynamicsecurityassessmentofvoltagestabilityandsystemstrengthinmodernpowersystems AT marjanpopov voltagevulnerabilitycurvesdatadrivendynamicsecurityassessmentofvoltagestabilityandsystemstrengthinmodernpowersystems |