TRANSITION STUDY POWER SYSTEMS DURING SOFT START OF LARGE PUMPING UNITS

The article is devoted to the study of transient processes occurring during the smooth start-up of high-power synchronous motors used in irrigation pumping stations. These stations play a crucial role in irrigation systems, requiring reliable and economical solutions to ensure uninterrupted water supply. The focus of the work is on the development and application of an innovative computer model of the pumping station’s energy system, which enables a detailed analysis of the transient processes in the power supply and drive systems during the smooth start-up of pumping units using a current inverter. This modeling method has several advantages over traditional experimental approaches, including significant cost reductions for physical equipment, reduced time needed for solving mathematical tasks, and simplification of data analysis and reporting processes. The smooth start with a current inverter applied to high-power synchronous motors is an innovative approach that remains underexplored but has great potential to improve the reliability and efficiency of pumping stations. Implementing this approach minimizes mechanical and electrical stresses on the equipment, which helps extend its service life and reduce operating costs. Thus, the conducted research could serve as a foundation for further enhancement of control and operation methods for pumping stations aimed at improving operational stability and energy efficiency.

pumping station, synchronous motor, current inverter, power supply system, electric drive, soft start, voltage dip, MATLAB.

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2026-03-27