Multi-Pole Components of Magnetic Field in Dipole Magnets Wound With High Tc Superconductor Tape and Feasibility of Their Accelerator Applications

被引：8

作者：

Amemiya, Naoyuki ^{[1
]}

Takahashi, Keita ^{[1
]}

Okada, Nana ^{[1
]}

Nakamura, Taketsune ^{[1
]}

Ogitsu, Toru ^{[2
]}

Kurusu, Tsutomu ^{[3
]}

Ono, Michitaka ^{[3
]}

Kodaira, Masanobu ^{[3
]}

Noda, Koji ^{[4
]}

机构：

[1] Kyoto Univ, Kyoto 6158510, Japan

[2] High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan

[3] Toshiba, Tokyo 1058001, Japan

[4] Natl Inst Radiol Sci, Chiba 2638555, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2010年 / 20卷 / 03期

关键词：

Accelerator magnet; high T-c superconductor; multi-pole; shielding current; RESEARCH-AND-DEVELOPMENT; COATED CONDUCTORS;

D O I：

10.1109/TASC.2010.2046629

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Applications of high T-c superconductors to accelerator magnets are attractive from the viewpoint of cooling cost reduction and that of generating very high magnetic field at low temperature. However, in magnets using cosine-theta like coils, three-dimensional shape of coil ends and magnetic field quality might be concerns, because most of practical high T-c superconductors are with flat tape shape. We studied the field quality of dipole magnets wound with high T-c superconductor tapes. Case studies on magnetic field design were made for dipole magnets wound with coated conductors: we designed two magnets and calculated multi-pole components of the magnetic field to evaluate their field qualities. The torsion/bending tolerance of coated conductors was studied experimentally to clarify the feasibility of three-dimensional winding. The influence of the shielding current in high T-c superconductor tapes on field quality was discussed based on the numerical electromagnetic field analysis of superconductors.

引用

页码：364 / 367

页数：4

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