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Abstract
Abstract: Introduction. The article scientifically substantiates the improvement of energy saving and energy efficiency resulting from reactive power compensation in the power supply network of a three-phase induction motor installed in the pumping unit of the water supply workshop of Shurtan Oil and Gas Production Department JSC, based on experimental results and theoretical calculations.
Methods and Materials. In this research, the authors employed electrical engineering calculations, experimental measurements, and comparative analysis methods. The determination of electrical energy losses ΔW and voltage losses ΔU in the power supply network was carried out using calculation methods based on the corresponding loss coefficients.
Results. This article investigates the impact of reactive power compensation in a power supply network on - voltage losses and - energy losses, using the example of a three-phase induction motor with a rated power of installed at the "Shurtan Oil and Gas Production Department" pump station. The object of the study is an induction motor with a rated voltage of and a rated current of , powered by a 400 kVA transformer. Calculations were performed for an AVVG (A)-LS 4x120 mm² cable line with a length of , having specific resistance values of (active) and (inductive). A comparative analysis of the motor's operating parameters was conducted before and after reactive power compensation of . Based on experimental results and theoretical calculations, the study scientifically substantiates the improvement in energy efficiency and power supply network performance through an increase in the power factor from to and a reduction in line current from to .
Conclusion. Based on the results of experimental investigations and theoretical calculations, the authors developed recommendations for improving the energy-saving and energy-efficiency indicators of electrical networks through reactive power compensation.
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