Multi-Functional Current Multiplier by High Temperature Superconducting Magnet Energy Storage

被引：4
|
作者：
Yamada, S. [1 ]
Hishinuma, Y. [1 ]
Aso, Y. [2 ]
机构：
[1] Natl Inst Nat Sci, Natl Inst Fus Sci, 322-6 Oroshicho, Toki, Gifu 5095292, Japan
[2] Japan Steel Works Ltd, Hiroshima 7368602, Japan
来源：
SUPERCONDUCTIVITY CENTENNIAL CONFERENCE 2011 | 2012年 / 36卷
关键词：
current multiplier; inductive storage; CMIS; current pulse; mega-ampare; HTS; SWITCHES;
D O I：
10.1016/j.phpro.2012.06.036
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We had been developing a current multiplier by inductive storage (CMIS). The prototype of CMIS consists of 12 storage copper coil with switching units. Coils and feeders are cooled by the liquid nitrogen to reduce the resistivity. Output current pulse with 480 A could be generated, by charging the coils to 40 A. The continuous current pulses of 666 pulses per minute were obtained owing to the fast switching of coil currents by using IGBTs. Two types of the multi-functional CMIS were designed conceptually; one is for mega ampere and the other is for long pulse. The system consists of the superconducting (SC) magnet section with a temperature of 20 K and the IGBT control switch section with a temperature of 77 K. The SC coil is cooled down from 77 to 20 K by a G-M refrigerator. The IGBT control switches are soaked in liquid nitrogen to reduce the total resistance from CMIS coils to the load. (C) 2012 Published by Elsevier B. V. Selection and/or peer-review under responsibility of the Guest Editors.
引用
收藏
页码：741 / 746
页数：6
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