{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T04:05:40Z","timestamp":1762401940687,"version":"build-2065373602"},"reference-count":29,"publisher":"Walter de Gruyter GmbH","issue":"11","funder":[{"name":"German Federal Ministry for Economic Affairs and Climate Action","award":["03EI4046E (PROGRESS)"],"award-info":[{"award-number":["03EI4046E (PROGRESS)"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,11,25]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Increasing requirements for transmission capacity and delays in grid expansion lead to rising costs for congestion management (CM). Approaches to better utilize the existing infrastructure and reduce costly redispatch are being examined, such as curative congestion management (CCM), in which remedial actions (RAs) are only triggered post-fault. Although CCM has the potential to reduce CM costs, it raises concerns about possibly heightened operational risks. As failures of curative RAs can endanger grid operation, it is crucial to account for possible RA failures already at the planning stage and thus increase the reliability of CCM by redundancy. This paper presents three concepts to provide redundancy for CCM, ensuring that no limit violations occur even if a single curative RA fails. A mixed-integer linear program (MILP) is used to optimize preventive and curative RAs while accounting for operational limits and the defined redundancy requirement. Annual simulations on a benchmark grid model compare the effectiveness of these concepts in terms of cost-efficiency. The practicability and indications of the influence on grid security are analyzed qualitatively. The results show that concepts with active or passive partial redundancy preserve most of the economic benefits of CCM, whereas complete replacements of multiple RAs entail higher complexity and costs.<\/jats:p>","DOI":"10.1515\/auto-2025-0065","type":"journal-article","created":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T04:02:33Z","timestamp":1762401753000},"page":"827-841","source":"Crossref","is-referenced-by-count":0,"title":["Comparison of concepts to ensure redundancy for curative congestion management in transmission grids"],"prefix":"10.1515","volume":"73","author":[{"given":"Tobias","family":"Sous","sequence":"first","affiliation":[{"name":"Institute for High Voltage Equipment and Grids, Digitalization and Energy Economics , Aachen , Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jannis","family":"Daum","sequence":"additional","affiliation":[{"name":"Institute for High Voltage Equipment and Grids, Digitalization and Energy Economics , Aachen , Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabian","family":"Mei\u00dfner","sequence":"additional","affiliation":[{"name":"Institute for High Voltage Equipment and Grids, Digitalization and Energy Economics , Aachen , Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Florian","family":"Klein-Helmkamp","sequence":"additional","affiliation":[{"name":"Institute for High Voltage Equipment and Grids, Digitalization and Energy Economics , Aachen , Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Albert","family":"Moser","sequence":"additional","affiliation":[{"name":"Institute for High Voltage Equipment and Grids, Digitalization and Energy Economics , Aachen , Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2025,11,6]]},"reference":[{"key":"2025110604022645792_j_auto-2025-0065_ref_001","unstructured":"D. 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