Luo, Peng
Fan, Hui
Zhang, Suxiang
Hao, Xiaoguang
Wang, Xiaowei
Funding for this research was provided by:
technology programme of State Grid Hebei Electric Power Research Institute (No. KJ2017-016)
Article History
Received: 16 August 2018
Accepted: 10 June 2019
First Online: 20 June 2019
Competing interests
: The authors declare that they have no competing interests.