Design of a 7 T Superconducting Magnet for Lanzhou Penning Trap

doi:10.1109/TASC.2010.2040957

	Design of a 7 T Superconducting Magnet for Lanzhou Penning Trap
	Wu, W.1 ; He, Y.2 ; Ma, L. Z.2; Huang, W. X.2; Yao, Q. G.1; Wu, X.1; Guo, B. L.1; Zhang, B.2 ; Yuan, P.2; Xia, J. W.2
	2010-06
关键词	Homogeneous magnetic field Penning trap quench superconducting magnet
卷号	20
期号	3
DOI	10.1109/TASC.2010.2040957
页码	989-992
英文摘要	A penning trap system called LPT (LANZHOU PENNING TRAP) is now being developed for precise mass measurements in IMP (Institute of Modern Physics). The most key component of LPT is a superconducting magnet. A Phi 156 mm warm bore and two cylinder good field regions with a distance of 220 mm are required for trapping ions and measurements. As the required homogeneity is better than 0.5 ppm, several complicated coaxial coils are used to produce such a magnetic field. The size and position of these coils are optimized by using a method combining linear program with multiobjective optimization. Superconducting shim coils and passive shim pieces are used to eliminate inevitable winding tolerances and environmental influence. The fringe field is decreased to 5 Gs at 2 m line from the center of the magnet by active shielding coils. The designs of the mechanical structure, the quench protection system are also introduced in this paper.
会议录	IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
会议录出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
会议录出版地	445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
语种	英语
WOS研究方向	Engineering ; Physics
WOS记录号	WOS:000283559900209
内容类型	会议论文
源URL	[http://119.78.100.186/handle/113462/63897]
专题	中国科学院近代物理研究所
通讯作者	Wu, W.
作者单位	1.Chinese Acad, Grad Univ, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Wu, W.,He, Y.,Ma, L. Z.,et al. Design of a 7 T Superconducting Magnet for Lanzhou Penning Trap[C]. 见:.