1. Khujand Polytechnic Institute of the Tajik Technical University Named after Academician M.S. Osimi,Department of Power Supply and Automation,Khujand,Tajikistan
2. Kazan State Energy University,Department of Power Supply of Industrial Enterprises,Kazan,Russian Federation
3. Faculty of Electromechanics, Mining and Metallic Institute of Tajikistan,Department of Power Supply,City of Buston,Tajikistan
4. University NOVA of Lisbon,UNINOVA-CTS, Faculty of Sciences and Technology,Caparica,Portugal