http://reply.papertrans.cn/2/122/12161/12161-11.png
Submitted on: 03 August 2019.
Revised on: 18 September 2019.
Accepted on: 10 November 2019.
___________________IET Electric Power Applications
Submitted on: 22 December 2013.
Revised on: 04 March 2014.
Accepted on: 02 May 2014.
___________________IET Electric Power Applications
http://reply.papertrans.cn/2/122/12161/12161-14.png
http://reply.papertrans.cn/2/122/12161/12161-15.png
http://reply.papertrans.cn/2/122/12161/12161-16.png
Submitted on: 05 November 2012.
Revised on: 12 December 2012.
Accepted on: 23 January 2013.
___________________IET Electric Power Applications
http://reply.papertrans.cn/2/122/12161/12161-18.png
http://reply.papertrans.cn/2/122/12161/12161-19.png
http://reply.papertrans.cn/2/122/12161/12161-20.png