Two-Stage Decoupled Security-Constrained Redispatching for Hybrid AC/DC Grids.
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| Title: | Two-Stage Decoupled Security-Constrained Redispatching for Hybrid AC/DC Grids. |
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| Authors: | Ciapessoni, Emanuele1 (AUTHOR) emanuele.ciapessoni@rse-web.it, Cirio, Diego1 (AUTHOR), Pitto, Andrea1 (AUTHOR) |
| Source: | Energies (19961073). Feb2026, Vol. 19 Issue 3, p706. 30p. |
| Subject Terms: | *High-voltage direct current transmission, *DC-AC converters, *Electric power distribution grids, *Interconnected power systems, *Renewable energy sources, *Electric power system stability, *Electric power systems |
| Abstract: | Hybrid AC/DC grids with High Voltage Direct Current (HVDC) systems enhance grid resilience and enable efficient long-distance power transfer, asynchronous network interconnection, and seamless integration of offshore renewable energy sources. However, ensuring secure and reliable operation of these complex hybrid systems, particularly under contingency scenarios, presents significant challenges. This paper proposes a novel and computationally efficient two-stage linearized decoupled formulation for security-constrained redispatch in hybrid AC/DC grids. The methodology explicitly addresses N-1 security criterion, incorporating constraints from both the AC and DC subsystems, as well as the DC/AC converters. Simulation results on a test power system demonstrate the effectiveness of the proposed approach in mitigating the impact of both transmission line and generator outages, validating its applicability for enhancing grid resilience. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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| Abstract: | Hybrid AC/DC grids with High Voltage Direct Current (HVDC) systems enhance grid resilience and enable efficient long-distance power transfer, asynchronous network interconnection, and seamless integration of offshore renewable energy sources. However, ensuring secure and reliable operation of these complex hybrid systems, particularly under contingency scenarios, presents significant challenges. This paper proposes a novel and computationally efficient two-stage linearized decoupled formulation for security-constrained redispatch in hybrid AC/DC grids. The methodology explicitly addresses N-1 security criterion, incorporating constraints from both the AC and DC subsystems, as well as the DC/AC converters. Simulation results on a test power system demonstrate the effectiveness of the proposed approach in mitigating the impact of both transmission line and generator outages, validating its applicability for enhancing grid resilience. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 19961073 |
| DOI: | 10.3390/en19030706 |
