Submitted on: 29 December 2016.
Revised on: 11 January 2017.
Accepted on: 03 February 2017.
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique
Submitted on: 14 November 2005.
Revised on: 09 December 2005.
Accepted on: 25 December 2005.
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique
Submitted on: 03 September 2002.
Revised on: 16 September 2002.
Accepted on: 28 September 2002.
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique
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Submitted on: 05 August 2008.
Revised on: 03 September 2008.
Accepted on: 23 September 2008.
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique
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Submitted on: 18 May 2015.
Revised on: 01 July 2015.
Accepted on: 13 July 2015.
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique
Submitted on: 05 December 2002.
Revised on: 02 January 2003.
Accepted on: 26 January 2003.
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique
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