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http://dx.doi.org/10.9714/psac.2019.21.3.032

Effective 3-D FEM for large-scale high temperature superconducting racetrack coil  

Huang, Xiangyu (School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University)
Huang, Zhen (School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University)
Xu, Xiaoyong (School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University)
Li, Wan (Shanghai Marine Equipment Research Institute)
Jin, Zhijian (School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University)
Publication Information
Progress in Superconductivity and Cryogenics / v.21, no.3, 2019 , pp. 32-37 More about this Journal
Abstract
In various types of large-scale electrical applications, the number of coil turns in such machines is usually large. Electromagnetic simulation of large-scale superconducting coils (tens to hundreds of turns) is indispensable in the design process of superconducting electrical equipment. However, due to the large scale of the coil and the large aspect ratio of super-conducting material layer in HTS coated conductor, it is usually difficult or even unable to perform 3-D transient electromagnetic simulation. This paper introduces an effective 3-D electromagnetic simulation method for large-scale HTS coated conductor coil based on T-A formulation. The simulation and experimental results show that the 3-D model based on the T-A formulation using homogeneous strategy is more accurate than the traditional 2-D models. The memory usage is not sensitive to the number of turns and this model will be even more superior as the number of turns becomes larger.
Keywords
AC loss; FEM; large-scale racetrack coil; T-A formulation;
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