Resonance characteristics and maximum turn voltage of JT-60SA EF coil

Murakami, Haruyuki; Kizu, Kaname; Tsuchiya, Katsuhiko; Yoshida, Kiyoshi; Yamauchi, Kunihito; Shimada, Katsuhiro; Terakado, Tsunehisa; Matsukawa, Makoto; Hasegawa, Mitsuru*; Minato, Tsuneaki*; Sako, Katsuhisa*

The withstand voltage of turn insulation is essential issues for the superconducting magnet. The actual turn voltage is larger than the turn voltage under the ideal condition because of the voltage fluctuations of the power supply and the resonance phenomenon in the magnet. In this paper, the voltage measurement of the JT-60U power supply and the resonance characteristics of the EF4 are described. The actual maximum turn voltage is almost same as the voltage under the ideal condition.

Language	:	English
Journal	:	IEEE Transactions on Applied Superconductivity
Volume	:	22
Number	:	3
Pages	:	p.9501405_1 - 9501405_5
Publication Year/Month	:	2012/06
Meeting title	:	22nd International Conference on Magnet Technology (MT-22)
Held date	:	2011/09
Location (city)	:	Marseille
Location (country)	:	France
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1109/TASC.2011.2178010
DOI for research data	:
Keywords	:	no keyword
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
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Registration No. : BB20111132
JAEA Abstracts No. : 40000935
Paper Submission No. : 10950

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