Vector control system of electric drive of grain machine conveyor


  • Evgeniia Burdilna Kremenchuk Mykhailo Ostrohradskyi National University, Ukraine
  • Sergii Serhiienko Kremenchuk Mykhailo Ostrohradskyi National University, Ukraine
  • Oleksiy Chornyi Kremenchuk Mykhailo Ostrohradskyi National University, Ukraine



grain-throwing machines, conveyor electric drive, vector control, speed regulation, quality indicators


Purpose. Synthesis of an automatic control system for an asynchronous electric drive of a grain thrower conveyor based on a frequency converter with vector control.

Methodology. The research was carried out using methods of mathematical modeling of an electric drive; using methods of tuning optimization and regulator synthesis. The technique of synthesis of vector control systems is based on the representation of a non-stationary multi-connected object, which is an AC machine, in the form of a set of stationary subobjects with linear links in the main control channels.

Findings. The study of the work of the subordinate regulation system, which implements the principles of vector control, oriented along the vector of the rotor flux linkage, has been carried out. The modeling of the processes of AM excitation, AM start-up at idle speed, nominal load surge, speed reduction has been carried out. It was found that the synthesized system is characterized by good quality indicators. The overshoot at start does not exceed 5%, the regulation time is 0.4 s, the torque limitation is carried out at a predetermined level. It has been proven that oscillatory processes in transient modes with significant torque surges with classical settings of loop regulators can be compensated by introducing artificial cross-links into the control part of the electric drive.

Originality. A system of subordinate regulation of the blood pressure of the grain thrower trimmer conveyor has been implemented to set the speed of the grain flow with the aim of throwing grain at a given distance by creating an appropriate ballistic flight trajectory, which ensures a reduction in losses from damage to grain.

Practical value. The structure of the vector control system of a frequency-controlled asynchronous electric drive with additional compensating cross-connections between active and reactive energy control channels is proposed to improve the quality indicators of the system.

Author Biographies

Evgeniia Burdilna, Kremenchuk Mykhailo Ostrohradskyi National University

Sen. Lect. of the Department of Automation and Information Systems of the Kremenchuk Mykhailo Ostrohradskyi National University, Kremenchuk

Sergii Serhiienko, Kremenchuk Mykhailo Ostrohradskyi National University

Ph.D, Associate professor, Associate professor of the Department Systems of Automatic Control and Electric Drive of the Kremenchuk Mykhailo Ostrohradskyi National University

Oleksiy Chornyi , Kremenchuk Mykhailo Ostrohradskyi National University

Sci.D, Professor, Professor of the Department Systems of Automatic Control and Electric Drive of the Kremenchuk Mykhailo Ostrohradskyi National University, Kremenchuk


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How to Cite

Burdilna, E., Serhiienko, S. ., & Chornyi , O. (2021). Vector control system of electric drive of grain machine conveyor. Electrical Engineering and Power Engineering, (2), 8–16.