CALCULATION AND ANALYSIS OF OPERATING MODES AND ENERGY CONSUMPTION OF CENTRIFUGAL PUMPS WITH FREQUENCY-CONTROLLED ELECTRIC DRIVE IN WATER SUPPLY SYSTEMS
Vestnik Polockogo gosudarstvennogo universiteta. Seriâ F. Prikladnye nauki. Stroitelʹstvo/Vestnik Polockogo gosudarstvennogo universiteta. Seriâ F. Stroitelʹstvo. Prikladnye nauki