Fault-tolerant strategies in MMC-based high power magnet supply for particle accelerator

Manuel Colmenero Moratalla, Ricardo Vidal-Albalate, Francisco R. Blanquez Delgado and Ramon Blasco-Gimenez

Mathematics and Computers in Simulation (MATCOM), 2024, vol. 224, issue PA, 63-79

Abstract: Many particle accelerators require to supply chains of magnets with high quality, high magnitude, cycling currents. To do this, the power converters need to provide high output voltages, reaching in some cases tens of kilovolts. Additionally, converters are required to store the magnet energy during de-magnetization cycles. For such application, Full-bridge Modular Multilevel Converters (FB-MMC) could be used given their capacity to store energy and their inherent reliability. In this sense, one of the most interesting features of the proposed topology is the possibility of bypassing one or several submodules in the event of a fault or malfunction. By doing this, it is possible to ride-through the failure of a component and avoid the interruption of the accelerator operation.

Keywords: Modular multilevel converters; High power converter; Particle accelerator; Reliability; Protection (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:224:y:2024:i:pa:p:63-79

DOI: 10.1016/j.matcom.2023.07.014

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