Investigation of Boosting DC-DC Converter by Numerical Experiment

Authors

  • Kostiantyn Soroka O. M. Beketov National University of Urban Economy in Kharkiv
  • Victor Kharchenko O. M. Beketov National University of Urban Economy in Kharkiv
  • Ivan Kostenko O. M. Beketov National University of Urban Economy in Kharkiv

DOI:

https://doi.org/10.33042/2079-424X.2024.63.1.03

Keywords:

Boosting DC-DC Converter, Computer Model, Pulse-Width Regulation, Simulink, MatLab, Modelling, Operating Periods, Use Efficiency

Abstract

The physical processes of the operation of a pulse boosting DC-DC converter of electrical energy are considered. A computer model of a step-by-step conversion of energy: a power source into magnetic field energy, magnetic field energy into electric field energy and its accumulation by a capacitor at increased voltage was created. The converter works in the mode of pulse-width regulation. Energy conversion processes are described by equations reduced to the Cauchy form. The computer model is built in the application package Simulink, MatLab. DC-DC modelling involves calculating each pulse, storing the results, and transmitting it to the beginning of the next pulse. The described modelling algorithm, at the operating frequencies of the DC-DC converter, imposes increased requirements on the speed of the computer and the amount of its memory. The modelling program was carried out for t = 10 s at a frequency of 100 kHz, more than six hours tm > 6 hours. Using such a model for research is not effective. A method was found for modelling at lower frequencies and transferring their results to the frequencies of the converters. Modelling was carried out at frequencies of 1 kHz and the adequacy of the results of the converters at higher frequencies was confirmed.
The duration of the experiment is reduced to 30 seconds, which provides convenient modelling conditions.

Author Biographies

Kostiantyn Soroka, O. M. Beketov National University of Urban Economy in Kharkiv

Ph.D., Associate Professor

Victor Kharchenko, O. M. Beketov National University of Urban Economy in Kharkiv

D.Sc., Professor, Department of Urban Power Supply and Consumption Systems

Ivan Kostenko, O. M. Beketov National University of Urban Economy in Kharkiv

Ph.D., Assistant Professor, Department of Alternative Power Engineering and Electrical Engineering

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Published

2024-04-26

How to Cite

Soroka, K., Kharchenko, V., & Kostenko, I. (2024). Investigation of Boosting DC-DC Converter by Numerical Experiment. Lighting Engineering & Power Engineering, 63(1), 17–26. https://doi.org/10.33042/2079-424X.2024.63.1.03

Issue

Vol. 63 No. 1 (2024): Lighting Engineering & Power Engineering

Section

Power Engineering

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