^pPower;
System;
Department,;
Electric;
Engineering;
Faculty,;
Polytechnic;
University;
of;
Tirana,;
Tirana;
1000,;
Albania;
^pof;
Electrical;
and;
Electronic;
Engineering,;
Engineering;
Faculty,;
Polytechnic;
of;
Bari,;
Bari;
70125,;
Italy;
^pPower;
Corporation,;
Tirana;
1000,;
Albania;