Performance of Differential Protection Applied to Collector Cables of Offshore Wind Farms with MMC-HVDC Transmission
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866917219649191936 |
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| author | Davi, Moisés J. B. B. Lopes, Felipe V. Lacerda, Vinícius A. Oleskovicz, Mário Gomis-Bellmunt, Oriol |
| author_facet | Davi, Moisés J. B. B. Lopes, Felipe V. Lacerda, Vinícius A. Oleskovicz, Mário Gomis-Bellmunt, Oriol |
| contents | The ongoing global transition towards low-carbon energy has propelled the integration of offshore wind farms, which, when combined with Modular Multilevel Converter-based High-Voltage Direct Current (MMC-HVDC) transmission, present unique challenges for power system protection. In collector cables connecting wind turbines to offshore MMC, both ends are supplied by Inverter-Based Resources (IBRs), which modify the magnitude and characteristics of fault currents. In this context, this paper investigates the limitations of conventional differential protection schemes under such conditions and compares them with enhanced strategies that account for sequence components. Using electromagnetic transient simulations of a representative offshore wind farm modeled in PSCAD/EMTDC software, internal and external fault scenarios are assessed, varying fault types and resistances. The comparative evaluation provides insights into the sensitivity and selectivity of differential protection and guides a deeper conceptual understanding of the evolving protection challenges inherent to future converter-dominated grids. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_16876 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Performance of Differential Protection Applied to Collector Cables of Offshore Wind Farms with MMC-HVDC Transmission Davi, Moisés J. B. B. Lopes, Felipe V. Lacerda, Vinícius A. Oleskovicz, Mário Gomis-Bellmunt, Oriol Systems and Control The ongoing global transition towards low-carbon energy has propelled the integration of offshore wind farms, which, when combined with Modular Multilevel Converter-based High-Voltage Direct Current (MMC-HVDC) transmission, present unique challenges for power system protection. In collector cables connecting wind turbines to offshore MMC, both ends are supplied by Inverter-Based Resources (IBRs), which modify the magnitude and characteristics of fault currents. In this context, this paper investigates the limitations of conventional differential protection schemes under such conditions and compares them with enhanced strategies that account for sequence components. Using electromagnetic transient simulations of a representative offshore wind farm modeled in PSCAD/EMTDC software, internal and external fault scenarios are assessed, varying fault types and resistances. The comparative evaluation provides insights into the sensitivity and selectivity of differential protection and guides a deeper conceptual understanding of the evolving protection challenges inherent to future converter-dominated grids. |
| title | Performance of Differential Protection Applied to Collector Cables of Offshore Wind Farms with MMC-HVDC Transmission |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2601.16876 |