Submitted on: 12 October 2007.
Revised on: 10 December 2007.
Accepted on: 05 February 2008.
___________________IET Electric Power Applications
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Submitted on: 31 January 2016.
Revised on: 28 April 2016.
Accepted on: 07 June 2016.
___________________IET Electric Power Applications
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Submitted on: 09 June 2014.
Revised on: 13 July 2014.
Accepted on: 17 August 2014.
___________________IET Electric Power Applications
Submitted on: 22 October 2016.
Revised on: 29 January 2017.
Accepted on: 18 February 2017.
___________________IET Electric Power Applications
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Submitted on: 07 December 2019.
Revised on: 02 February 2020.
Accepted on: 13 March 2020.
___________________IET Electric Power Applications