Analysis and design of series-LC-switch capacitor multistage high gain DC-DC boost converter for electric vehicle applications

Khalid, Hassan and Mekhilef, Saad and Mubin, Marizan and Seyedmahmoudian, Mehdi and Stojcevski, Alex and Rawa, Muhyaddin and Horan, Ben (2022) Analysis and design of series-LC-switch capacitor multistage high gain DC-DC boost converter for electric vehicle applications. Sustainability, 14 (8). ISSN 2071-1050, DOI

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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.

Item Type: Article
Funders: King Abdullah City for Atomic and Renewable Energy (K.A.CARE) under K.A.CARE-King Abdulaziz University Collaboration Program, Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, Saudi Arabia (FP-108-43)
Uncontrolled Keywords: DC-DC converters; Electric vehicle; Energy saving; extendable high gain; Switch capacitors converter; Switch voltage stress; Switch current stress
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Sep 2023 01:01
Last Modified: 14 Sep 2023 01:01

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