FEDIRKO M, ZAVYTII O, Golovko R, Chornyi M. APPROACHES TO CHOOSING A FREQUENCY CONVERTER IN THE STRUCTURE OF FREQUENCY-REGULATED ELECTRICAL DRIVE OF NETWORK PUMP UNITS OF CENTRALIZED HEAT SUPPLY SYSTEMS. Herald of Khmelnytskyi National University. Technical sciences. 2024;339(4):102-109. doi:10.31891/2307-5732-2024-339-4-16