Determining the dynamic model of the charging resonant converter with inductive coupling by an experimental-analytical method

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.263526

Keywords:

resonant charger, non-contact energy transfer, structural model, dynamic model

Abstract

This paper reports the advanced experimental-analytical method for determining the dynamic model of resonant converters of electricity. The object of research is semiconductor resonance converters and methods for analyzing their dynamics. The well-known experimental-analytical method for determining a dynamic model implements the sequence «experiment – analytics – dynamic model» when the structure of the system may be unknown. Then it is necessary to determine the structures and parameters of many dynamic models, among which the optimal ones will be selected. This makes it difficult to establish usable patterns.

Therefore, it is advisable to develop this method, according to which it is proposed to determine the parameters of the dynamic model according to the following sequence. First, carry out the analysis of the converter circuit and construct the dynamic models of sub-circuits. Next, an experiment is conducted with a simulation structural model of the converter, which is an input model of identification. After that, procedures are carried out for identifying and selecting optimal dynamic models among a set of initial identification models, as a result of which equivalent dynamics equations, gear ratios, and transfer functions of the selected converter models are obtained.

In the proposed modification of the method, the converter model is determined in advance, and at the identification stage it is enough to determine only its parameters. More simply, patterns are identified, and the number of initial identification models is significantly reduced. The results of using the proposed method on the example of determining the dynamic model of the charging resonance converter with inductive coupling between the charger and the battery of an autonomous object are given. The results of the presented analysis can be used in the design of resonant contactless chargers.

Author Biographies

Gennadiy Pavlov, Admiral Makarov National University of Shipbuilding

Doctor of Technical Sciences, Professor

Department of Computerized Control Systems

Andrey Obrubov, Admiral Makarov National University of Shipbuilding

PhD, Associate Professor

Department of Ship Power Systems

Irina Vinnichenko, Admiral Makarov National University of Shipbuilding

PhD, Associate Professor

Department of Computerized Control Systems

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Published

2022-08-29 — Updated on 2022-09-22

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How to Cite

Pavlov, G., Obrubov, A., & Vinnichenko, I. (2022). Determining the dynamic model of the charging resonant converter with inductive coupling by an experimental-analytical method . Eastern-European Journal of Enterprise Technologies, 4(8 (118), 17–28. https://doi.org/10.15587/1729-4061.2022.263526 (Original work published August 29, 2022)

Issue

Vol. 4 No. 8 (118) (2022): Energy-saving technologies and equipment

Section

Energy-saving technologies and equipment

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Copyright (c) 2022 Gennadiy Pavlov, Andrey Obrubov, Irina Vinnichenko

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