1. The University of Da Nang-University of Science and Technology,Department of Electrical Engineering,Da Nang City,Viet Nam
2. Technology - Industrial University of Ho Chi Minh City,Faculty of Electrical Engineering,Ho Chi Minh City,Viet Nam
3. Alternative Energies and Atomic Energy Commission (CEA)/National Institute for Solar Energy (INES),Le Bourget-du-Lac,France