Analysis and Design of Series-LC-Switch Capacitor Multistage High Gain DC-DC Boost Converter for Electric Vehicle Applications

Hassan Khalid, Saad Mekhilef, Marizan Binti Mubin, Mehdi Seyedmahmoudian, Alex Stojcevski, Muhyaddin Rawa and Ben Horan
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Hassan Khalid: Power Electronics and Renewable Energy Research Laboratory (PEARL), Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Saad Mekhilef: Power Electronics and Renewable Energy Research Laboratory (PEARL), Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Marizan Binti Mubin: Power Electronics and Renewable Energy Research Laboratory (PEARL), Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Mehdi Seyedmahmoudian: School of Software and Electrical Engineering, Swinburne University of Technology, Melbourne, VIC 3122, Australia
Alex Stojcevski: School of Software and Electrical Engineering, Swinburne University of Technology, Melbourne, VIC 3122, Australia
Muhyaddin Rawa: Center of Research Excellence in Renewable Energy, and Power Systems, King Abdulaziz University, Jeddah 21589, Saudi Arabia
Ben Horan: School of Engineering, Deakin University Geelong Waurn Ponds Campus, 75 Pigdons Rd, Geelong, VIC 3216, Australia

Sustainability, 2022, vol. 14, issue 8, 1-24

Abstract: Research into modern transportation systems is currently in progress in order to fully replace the traditional inter-combustible engine with a noiseless, fast, energy-efficient, and environmentally friendly electric vehicle. Electric vehicles depend on an electric motor and require highly efficient converter drive circuits. Among these converters, DC-DC boost converters play a major role in charging not only the battery banks but also in providing the DC-link excitation voltage in transformerless applications. However, the development of these converters, which have higher voltage and current gain with minimum components, minimum voltage, and current stress, is quite challenging. Therefore, this research work aims to address these issues and also to improve overall system performance. These aims are achieved by developing a series LC-based single-stage boost converter, and extending its gain through a multi-stage boost converter using switch capacitor phenomena. This article also presents a complete operating model in continuous conduction mode. The proposed converter is tested under various testing conditions, such as output loading, input voltage levels, and duty cycle ratio for a 50 W resistive load. The results are compared with existing models. The proposed converter is stated to have achieved the highest efficiency, i.e., 96.5 % , along with extendable voltage gain with reduced voltage and current stresses, which is a major contribution to this research field.

Keywords: DC-DC converters; electric vehicle; energy saving; extendable high gain; switch capacitors converter; switch voltage stress; switch current stress (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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