Funding for this research was provided by:
Shanxi Provincial Natural Science Basic Research Program - Shanxi coal joint fund (2019JLM-51)
Subject peak plan of Xi'an University of science and technology - mining superconducting motor research platform project (2018GY-2-12)
Article History
Received: 20 April 2021
Accepted: 2 June 2021
First Online: 12 June 2021