Submitted on: 28 January 1999.
Revised on: 20 April 1999.
Accepted on: 01 June 1999.
___________________International Transactions on Electrical Energy Systems
http://reply.papertrans.cn/2/145/14452/14452-32.png
Submitted on: 18 December 2006.
Revised on: 14 February 2007.
Accepted on: 17 March 2007.
___________________International Transactions on Electrical Energy Systems
Submitted on: 30 October 2000.
Revised on: 11 December 2000.
Accepted on: 08 February 2001.
___________________International Transactions on Electrical Energy Systems
http://reply.papertrans.cn/2/145/14452/14452-35.png
Submitted on: 26 May 2022.
Revised on: 20 August 2022.
Accepted on: 07 September 2022.
___________________International Transactions on Electrical Energy Systems