High power IGBT bridge application for the harmonic suppression on the load side of the power supply system of the Spanish Stellarator TJ-II |
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| Affiliation: | 1. Asociación EURATOM-CIEMAT, Laboratorio Nacional de Fusión, Avenida Complutense 22 (Edificio 6), 28040 Madrid, Spain;2. ENERTRON, S.A. Avda Fuentemar 5, 28820 Coslada Madrid, Spain;3. CEDEX Alfonso XII, 3 y 5, 28014 Madrid, Spain;1. Department of Chemistry, University of Poonch, Rawalakot, Azad Kashmir, Pakistan;2. Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan;3. Xi?an University of Architecture and Technology, China;4. Karakoram International University, Department of Biological Sciences, Gilgit, Pakistan;5. College of Agriculture, Gansu Agricultural University Lanzhou, China;6. Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia;7. Plant Production Department (Horticulture - Medicinal and Aromatic Plants), Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt;8. College of Plant Protection, Gansu Agricultural University Lanzhou, China;9. Department of Plant Physiology, Slovak University of Agriculture, A. Hlinku 2, 94976 Nitra, Slovakia;1. Laboratoire d’Aix-en-Provence, CEREMA/DTerMed, Pôle d’activités Les Milles, Avenue Albert Einstein, CS 70499, 13593 Aix-en-Provence Cedex 3, France;2. Bundesverband der DeutschenKalkindustrie e.V. (BVK), Annastraße 67 – 71, 50968 Köln, Germany;3. Lhoist R&D, 31, rue de l''Industrie, 1400 Nivelles, Belgium;1. Cuerpo Académico de Zoonosis y Enfermedades Emergentes, Facultad de Medicina Veterinaria, UANL, General Escobedo, N. L., CP 66050, Mexico;2. Cuerpo Académico de Epidemiologia Veterinaria, Facultad de Medicina Veterinaria, UANL, General Escobedo, N. L., CP 66050, Mexico;3. Cuerpo Académico de Patobiología, Facultad de Medicina Veterinaria, UANL, General Escobedo, N. L., CP 66050, Mexico;4. Cuerpo Académico de Inmunología Clínica y Dermatología, Facultad de Medicina, UANL, Col. Mitras Centro, Monterrey, N. L., CP 64460, Mexico;1. School of Science, Tianjin University, Tianjin 300072, China;2. Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparation Technology, Institute of Advanced Materials Physics, Tianjin 300072, China;1. Pediatric Cardiology Department, Hospital de Santa Marta, Centro Hospitalar Lisboa Central-EPE, Lisbon, Portugal;2. Royal Brompton and Harefield Hospitals Trust, London, United Kingdom;3. Cardiothoracic Surgery Department, Hospital de Santa Marta, Centro Hospitalar Lisboa Central-EPE, Lisbon, Portugal |
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| Abstract: | TJ-II is a medium size stellarator of the heliac-type, which is successfully in operation at CIEMAT in Madrid, since March 1998. This machine allows operation in a wide range of magnetic field configurations. This fusion device comprises seven inductively coupled coil systems, which produce the magnetic fields required for the confinement of the plasma. These coils are powered separately by 12-pulsed thyristor converters. The DC currents in the coils have a content of harmonics and sub-harmonics and these harmonics should be kept at very low level because of negative influence on the plasma confinement. The paper describes the design, calculations and tests of an active high power filter for the harmonic suppression. |
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