AC Loss Characteristics of HTS Novel Twisted Cables Composed of Soldered-Stacked-Square (3S) Wires

Zhuyong Li, Zhixuan Zhang, Mingshuo Wang, Yingying Lv and Kyungwoo Ryu ()
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Zhuyong Li: Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Zhixuan Zhang: Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Mingshuo Wang: Chaoyang Electric Power Company, State Grid Corporation of China, Beijing 122000, China
Yingying Lv: Chengnan Power Supply Company, State Grid Tianjin Electric Power Company, Tianjin 300201, China
Kyungwoo Ryu: Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea

Energies, 2022, vol. 15, issue 20, 1-10

Abstract: Compared with traditional cables, superconducting multi-stage cables have the natural advantages of greater transmission power and less energy loss, which have gradually attracted attention. However, conventional multi-stage cables are based on low temperature superconducting (LTS) technology and there is considerable scope for improvement in their performance. In this paper, a novel structure of the multi-stage high temperature superconducting (HTS) twisted cable prepared by the soldered-stacked-square (3S) wire is proposed. The AC loss characteristics of the twisted cable are deeply studied by experiments and simulation. Through the experiment, the influence of the voltage-leads on the AC loss measurement accuracy is eliminated, and frequency dependent is shown in the AC loss of the twisted cable. Besides, the simulated value of AC loss is consistent with the experimental value, which verifies the accuracy of the simulation. The AC loss of twisted cable is only 20% of that of the thin strip model, which reveals its outstanding advantages in AC loss.

Keywords: AC loss; HTS twisted cable; 3S wire; experiment; simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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