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Calculation of Processes in the Electric Drive of the Sucker-Rod Pumping Unit with Reactive Power Compensation

Author

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  • Andriy Malyar

    (Institute of Power Engineering and Control Systems, Lviv Polytechnic National University, 12 Bandery St., 79000 Lviv, Ukraine)

  • Sławomir Cieslik

    (Faculty of Telecommunications, Computer Science and Electrical Engineering, Bydgoszcz University of Sciences and Technology, 85796 Bydgoszcz, Poland)

Abstract

The uneven load of the electric drive of sucker-rod pumping units causes an increase in the consumption of reactive power, which requires compensation. This article discusses the issue of calculating the processes in sucker-rod pumping units in the case of individual compensation of the reactive power. Mathematical models for calculating the process of changing the capacity of cosine capacitors for reactive power compensation in the starting and steady-state modes of the electric drive of the sucker-rod pumping unit, which are characterized by the periodically varying load and moment of inertia, have been developed. The calculation is based on a mathematical model of the induction motor that takes into account the saturation of the magnetic path and the skin effect in the bars of the deep-bar rotor. The created mathematical model can be used to regulate the capacitance of the capacitors connected to the induction motor in order to reduce the reactive power consumption.

Suggested Citation

  • Andriy Malyar & Sławomir Cieslik, 2023. "Calculation of Processes in the Electric Drive of the Sucker-Rod Pumping Unit with Reactive Power Compensation," Energies, MDPI, vol. 16(23), pages 1-13, November.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:23:p:7782-:d:1288180
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    References listed on IDEAS

    as
    1. Jingliang Wei & Xianwen Gao, 2018. "Electric-Parameter-Based Inversion of Dynamometer Card Using Hybrid Modeling for Beam Pumping System," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-12, June.
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