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Your search keyword '"Tobari, H."' showing total 7 results
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2. Preparation of the vacuum insulation tests on the MITICA 1 MV electrostatic Accelerator

Author

Chitarin, G., primary, Kojima, A., additional, Luchetta, A., additional, Marcuzzi, D., additional, Zaccaria, P., additional, Zanotto, L., additional, Toigo, V., additional, Aprile, D, additional, Marconato, N., additional, Patton, T., additional, Pilan, N., additional, Berton, G., additional, Breda, M., additional, Dan, M., additional, Fincato, M., additional, Rigoni-Garola, A., additional, Valente, M., additional, Battistella, M., additional, Boldrin, M., additional, Grando, L., additional, Pomaro, N., additional, De Lorenzi, A., additional, Tobari, H., additional, Umeda, N., additional, Watanabe, K., additional, and Kashiwagi, M., additional

Published
2021
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3. Heating neutral beams for ITER: Present status

Author

Singh, M.J., primary, Boilson, D., additional, Hemsworth, R., additional, Chareyre, J., additional, Decamps, H., additional, Delmas, E., additional, Geli, F., additional, Graceffa, J., additional, Schunke, B, additional, Svensson, L., additional, Shah, D., additional, El Ouazzani, A., additional, Urbani, M., additional, De Esch, H.P.L., additional, Antoni, V., additional, Chitarin, G., additional, Serianni, G., additional, Marcuzzi, D., additional, Toigo, V., additional, Zaccaria, P., additional, Fantz, U., additional, Franzen, P., additional, Heinemann, B., additional, Kraus, W., additional, Kashiwagi, M., additional, Hanada, M., additional, Tobari, H., additional, Kuriyama, M., additional, Masiello, A., additional, and Bonicelli, T., additional

Published
2015
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4. R&D progress of 1 MV power supply system for ITER

Author

Tobari, H., primary, Watanabe, K., additional, Kashiwagi, M., additional, Yamanaka, H., additional, Maejima, T., additional, Terunuma, Y., additional, Kojima, A., additional, Dairaku, M., additional, and Hanada, M., additional

Published
2015
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5. DC Ultrahigh Voltage Insulation Technology for 1 MV Power Supply System for Fusion Application.

Author

Tobari, H., Watanabe, K., Kashiwagi, M., Yamanaka, H., Maejima, T., Terunuma, Y., Kojima, A., Dairaku, M., and Hanada, M.

Subjects
*PHYSIOLOGICAL effects of electric lines, *POWER resources, *ELECTRIC insulators & insulation, *PLASMA beam injection heating, *CURRENT transformers (Instrument transformer)
Abstract

To realize dc 1 MV power supply system for neutral beam injector in ITER, long-pulse dc ultrahigh-voltage (HV) insulation technologies have been developed. For a dc 1 MV insulating transformer, a composite bushing has been newly developed to overcome the manufacturing difficulty of a conventional condenser bushing (CB). The composite bushing has a small-sized CB and fiber reinforced plastic tube to sustain 1 MV stably inside and outside of the bushing. The mock-up of the insulating transformer has fulfilled the ITER requirement of dc 1.2 MV insulation for 3600 s. An HV bushing to transmit multiple voltages simultaneously has also been developed through a careful experimental study on vacuum insulation characteristics with multiple gaps between large electrodes. It has been found that the voltage holding is dominated not by number of the electrodes but by a total cathode surface area of electrodes. Based on this result, the vacuum insulation inside the HV bushing with five electrostatic screens has been designed to realize a stable vacuum insulation of 1 MV. [ABSTRACT FROM AUTHOR]

Published
2017
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6. 1 MV vacuum insulation for the ITER neutral beam injectors

Author

Tanaka, M., primary, Hemsworth, R., additional, Kuriyama, M., additional, Svensson, L., additional, Boilson, D., additional, Inoue, T., additional, Tobari, H., additional, Kashiwagi, M., additional, Taniguchi, M., additional, Umeda, N., additional, and Watanabe, K., additional

Published
2010
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