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Heuristic design and modelling of modified interleaved boost converter for E-mobility control

Suresh Sampath (Department of EEE, B S Abdur Rahman Crescent Institute of Science and Technology, Chennai, India)
Zahira Rahiman (Department of EEE, B S Abdur Rahman Crescent Institute of Science and Technology, Chennai, India)
Shafeeque Ahmed Kalavai (Department of EEE, B S Abdur Rahman Crescent Institute of Science and Technology, Chennai, India)
Bharanigha Veerasamy (Department of EEE, B S Abdur Rahman Crescent Institute of Science and Technology, Chennai, India)
Saad Mekhilef (Department of Telecommunications, Electrical, Robotics and Biomedical Engineering, Swinburne University of Technology – Hawthorn Campus, Hawthorn, Australia)
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Abstract

Purpose

This study aims to present a modified interleaved boost converter (MIBC) topology for improving the reliability and efficiency of power electronic systems.

Design/methodology/approach

The MIBC topology was implemented with two parallel converters, operated with a −180 degree phase shift. Using this methodology, ripples are reduced. The state-space model was analysed with a two-switch MIBC for different modes of operation. The simulation was carried out and validated using a hardware prototype.

Findings

The performance of the proposed MIBC shows better output voltage, current and power than the interleaved boost converter (IBC) for the solar PV array. The output power of the proposed converter is 1.353 times higher than that of existing converters, such as boost converter (BC) and IBC. The output power of the four-phase IBC is 30 kW, whereas that of the proposed two-phase MIBC is 40.59 kW. The efficiency of MIBC was better than that of IBC (87.01%). By incorporating interleaved techniques, the total inductor current is reduced by 29.60% compared with the existing converter.

Practical implications

The proposed MIBC can be used in a grid-connected system with an inverter circuit for DC-to-AC conversion, electric vehicle speed control, power factor correction circuit, high-efficiency converters and battery chargers.

Originality/value

The work presented in this paper is a modified version of IBC. This modified MIBC was modelled using the state-space approach. Furthermore, the state-space model of a two-phase MIBC was implemented using a Simulink model, and the same was validated using a hardware setup.

Keywords

Citation

Sampath, S., Rahiman, Z., Kalavai, S.A., Veerasamy, B. and Mekhilef, S. (2022), "Heuristic design and modelling of modified interleaved boost converter for E-mobility control", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1108/COMPEL-05-2022-0171

Publisher

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Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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