Detailed Analysis of the Transient Voltage in a JT-60SA PF Coil Circuit |
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| Authors: | K YAMAUCHI K SHIMADA T TERAKADO M MATSUKAWA R COLETTI A LAMPASI E GAIO A COLETT L NOVELLO |
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| Affiliation: | K. YAMAUCHI 1 , K. SHIMADA 1 , T. TERAKADO 1 , M. MATSUKAWA 1 , R. COLETTI 2 , A. LAMPASI 2 , E. GAIO 3 , A. COLETTI 4 , L. NOVELLO 4 1 Japan Atomic Energy Agency, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan 2 ENEA, 1-00044 Frascati, Rome, Italy 3 Consorzio RFX, Euratom-ENEA Association, C.so Stati Uniti 4, Padova, Veneto 35127, Italy 4 Fusion for Energy, Boltzmannstr 2, Garching, Bavaria 85748, Germany |
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| Abstract: | A superconducting coil system is actually complicated by the distributed parameters, e.g. the distributed mutual inductance among turns and the distributed capacitance between adjacent conductors. In this paper, such a complicated system was modeled with a reasonably simplified circuit network with lumped parameters. Then, a detailed circuit analysis was conducted to evaluate the possible voltage transient in the coil circuit. As a result, an appropriate (minimum) snubber capacitance for the Switching Network Unit, which is a fast high voltage generation circuit in JT-60SA, was obtained. |
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| Keywords: | JT-60SA power supply transient voltage snubber PSIM |
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