Islom Khafizov, Komil Gafforov, Bakhodir Oblokulov, and Aziz Azimov. 2020. “ELIMINATION OF ENERGY LOSSES IN PUMPING INSTALLATIONS BY MEANS VARIABLE FREQUENCY DRIVE”. International Engineering Journal For Research & Development 5 (3):7. https://doi.org/10.17605/OSF.IO/UCEV4.