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

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

doi:10.1016/j.matcom.2023.07.014

Cited by 1 publication

(1 citation statement)

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“…These features can be easily accomplished by using Modular Multilevel Converters (MMCs) [9], [10]. In terms of reliability, MMCs can ride-through a failure of one of its components by bypassing a faulty submodule [11], making it suitable for this application.…”

Section: Introductionmentioning

confidence: 99%

DC Powering Solutions for the Future Circular Collider: Converter Topologies, Protection, and Control

COLMENERO,

Blanquez,

Blasco-Gimenez

2023

IEEE Open J. Ind. Electron. Soc.

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The Future Circular Collider (FCC) is a cutting-edge particle accelerator being planned by the European Organization for Nuclear Research (CERN). It is designed to delve deeper into the mysteries of the universe than its predecessor, the Large Hadron Collider (LHC). With a circumference of over 80 km, the FCC requires a reliable and efficient power transmission network to operate smoothly. The available power options for the FCC include a high-voltage DC transmission and radiofrequency powering networks based on HVDC converters such as the Modular Multilevel Power Converters (MMCs) or the Twelve-Pulse Thyristor rectifiers, each providing several benefits in power transmission efficiency and cost-effectiveness. However, the converter selection, its control, and the protection aspects must be carefully designed to meet the unique requirements of the installation. This article examines different DC powering scenarios for the FCC and proposes a control and protection scheme compatible with the accelerator's operation mode. This approach ensures that the power system meets the FCC's specific needs and operates safely and effectively. The validity of the proposed control and protection strategies is verified by means of detailed computer simulations.INDEX TERMS HVDC power converters, power distribution control, power distribution faults, power electronics, reliability, voltage-source converters.

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Section: Introductionmentioning

confidence: 99%