Mechanism of a novel mechanically operated contactless HTS energy converter

Chao Li, Gengyao Li, Ying Xin and Bin Li

Energy, 2022, vol. 241, issue C

Abstract: The application of high-temperature superconducting (HTS) equipment faces challenges that thick current leads connecting superconducting devices with external power sources will generate huge thermal load loss and the difficulty in persistent current operation for a long period. In this work, we have proposed the mechanism of a novel mechanically operated HTS energy converter based on the electromagnetic coupling of the permanent magnet and the HTS coil. The proposed HTS energy converter can charge and discharge a closed superconducting coil without electrical contact, and convert mechanical energy to electromagnetic energy efficiently. However, its working mechanism is theoretically controversial, as it seems to violate Lenz's law. An analytical method based on the method of equivalent circuit is proposed to explain its working mechanism and replicate all experimental electrical behaviour of the HTS energy converter. Experimental results have verified the theoretical analysis. The proposed mechanically operated HTS energy converter is easily controllable, making it promising in various of applications, including superconducting magnetic energy storage (SMES), high field magnets, energy harvesting of urban rail transportation and electromagnetic propulsion.

Keywords: High-temperature superconductor; Energy converter; Superconducting magnetic energy storage; Equivalent circuit (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0360544221030814
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:241:y:2022:i:c:s0360544221030814

DOI: 10.1016/j.energy.2021.122832

Access Statistics for this article

Energy is currently edited by Henrik Lund and Mark J. Kaiser

More articles in Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().