CERN Accelerating science

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1.
Multi-port modular multilevel converters for the supply of the future circular collider two-stage klystrons / Colmenero, M (CERN) ; Vidal-Albalate, R (Jaume I U., Castellon) ; Blanquez, F Rafael (CERN) ; Blasco-Gimenez, R (Valencia, Polytechnic U.)
The new generation of high-efficiency klystrons for future particle colliders requires two high-voltage, series-connected power supplies. As an alternative to conventional klystron power converters, the use of Multi-port Modular Multilevel Converters with three DC output terminals is proposed. [...]
2023 - 7 p. - Published in : 10.1049/icp.2023.1405
In : 19th International Conference on AC and DC Power Transmission (ACDC 2023), Glasgow, UK, 1 - 3 Mar 2023, pp.334-340
2.
Full-Bridge Modular Multilevel Converter for the Four-Quadrant Supply of High Power Magnets in Particle Accelerators / Colmenero, Manuel (CERN) ; Vidal-Albalate, Ricardo (Jaume I U., Castellon) ; Blanquez, Francisco R (CERN) ; Blasco-Gimenez, Ramon (Valencia, Polytechnic U.)
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. [...]
2022 - 8 p. - Published in : (2022) External link: Fulltext
In : 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe), Hannover, Germany, 5 - 9 Sep 2022
3.
DC Powering Solutions for the Future Circular Collider: Converter Topologies, Protection, and Control / Colmenero, Manuel (CERN) ; Blanquez, Francisco Rafael (CERN) ; Blasco-Gimenez, Ramon (Valencia U., IFIC)
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). [...]
2023 - 15 p. - Published in : IEEE Open J. Indust. Electron. Soc. 4 (2023) 694-708 Fulltext: PDF;
4.
Design Concepts for Medium Voltage DC Networks supplying the Future Circular Collider (FCC) / Colmenero, Manuel (CERN) ; Blanquez, Francisco R (CERN) ; Blasco-Gimenez, Ramon (Valencia U., IFIC)
In the frame of the feasibility studies for the construction of the Future Circular Collider (FCC), a new particle accelerator of 90 km of circumference under design, the use of Medium Voltage DC Grids (MVDC) for distribution has attracted attention considering their potential advantages in terms of transmission losses, power flow control and energy storage integration. Traditionally, the main concerns of the DC networks have been their reliability and robustness. [...]
2022 - 11 p. - Published in : (2022) External link: Fulltext
In : 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe), Hannover, Germany, 5 - 9 Sep 2022
5.
Fault-tolerant strategies in MMC-based high power magnet supply for particle accelerator / Colmenero Moratalla, Manuel (CERN) ; Vidal-Albalate, Ricardo (Jaume I U., Castellon) ; Blanquez Delgado, Francisco R (CERN) ; Blasco-Gimenez, Ramon (Valencia, Polytechnic U.)
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 [...]
2024 - 17 p. - Published in : Math. Comput. Simul. 224 (2024) 63-79 Fulltext: PDF;
6.
A multi-port Ethernet driver for OS-9
/ Charity, T
CERN-ALEPH-87-098; CERN-ALEPH-DATACQ-87-009.- Geneva : CERN, 1987 Fulltext: PDF;
7.
Grid Interface Design for the Compact Linear Collider (CLIC) / Jankovic, Maria (Nottingham U.) ; Watson, Alan (Nottingham U.) ; Clare, Jon (Nottingham U.) ; Wheeler, Pat (Nottingham U.) ; Aguglia, Davide (CERN)
This paper discusses the grid interface challenges for CERN’s proposed Compact Linear Colliders’ (CLIC) klystron modulators, including a 280 MW power system optimisation. The modular multilevel converter is evaluated as a candidate topology for a Medium Voltage grid interface along with a control method for reducing the impact of klystron modulators on the electrical network..
CERN-ACC-2015-0110; CLIC-Note-1057.- Geneva : CERN, 2015 - 10 p. Fulltext: PDF;
In : 17th European Conference on Power Electronics and Applications, Geneva, Switzerland, 8-10 Sep 2015, pp.7309234
8.
Back-to-Back HVDC Modular Multilevel Converter for Transient Voltage Dip Mitigation in Passive Networks / Hoehn, Thomas (CERN) ; Slettbakk, Tony (CERN) ; Blanquez, Francisco (CERN) ; Kahle, Karsten (CERN) ; Burnet, Jean-Paul (CERN)
For nuclear research laboratories like CERN, where the exceptionally high power quality conditions are required, the immunity against transient voltage dips is of vital importance. By using the traditional HVDC modular multilevel converter in a back-to-back configuration with properly dimensioned submodule capacitors, voltage dips can be mitigated instantaneously, improving power quality of the network. [...]
2019 - 10 p. - Published in : 10.23919/EPE.2019.8915173
In : 2019 21st European Conference on Power Electronics and Applications, Genova, Italy, 2 - 5 Sep 2019
9.
A two-stage rf linear collider using a superconducting drive linac / Schnell, Wolfgang
CERN-LEP-RF-86-06; CLIC-Note-13.- Geneva : CERN, 1987 - 24 p. Report Fulltext: PDF;
In : 1st Seminar on New Techniques for Future Accelerators "Ettore Majorana", Erice, Italy, 11 - 17 May 1986, pp.67-68 - Please contact the library if you need to access this document.
10.
High Voltage Supply for Particle Accelerators Based on Modular Multilevel Converters / Asimakopoulos, Panagiotis (CERN) ; Papastergiou, Konstantinos (CERN)
Modular Multilevel Converters brought a paradigm shift in very high voltage and high power applications with the replacement of high voltage valves by multiple series-connected, low-voltage modules that can be by-passed in case of fault. The reliability and precision in output waveform generation make it a potential candidate in accelerator power conversion. [...]
CERN-ACC-2016-168.- 2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-THPMW014 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMW014

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