Islom Khafizov, Bobokul Shaymatov, Komil Gafforov and Orzikul Bozorov 2021. ELIMINATION OF ENERGY LOSSES IN PUMP UNITS AND INCREASE OF POWER EFFICIENCY BY MEANS OF THE TOOL OF CONTROL OF SPEED. Innovative Technologica: Methodical Research Journal. 2, 05 (May 2021), 7–15. DOI:https://doi.org/10.17605/OSF.IO/5GA8K.