1. Gheorghe Asachi Technical University of Iasi,Faculty of Electrical Engineering,Department of Electrical Engineering,Iasi,Romania
2. Gheorghe Asachi Technical University,Faculty of Electrical Engineering,Department of Electrical Measurements and Electrotechnical Materials,Iasi,Romania
3. Gheorghe Asachi Technical University of Iasi,Faculty of Electrical Engineering,Department of Power Engineering,Iasi,Romania