In recent days there has been growing interest in electric vehicle (EVs) technologies because of concerns about global warming, the energy crisis, and security. A combustion engine-based transportation mechanism uses only 30% of the fuel, and the rest of it goes as a loss. But in the case of electric motor motor-driven vehicles, the efficiency is more than 80%. However, charging configurations of EVs play a vital role in the development of automobile transformation. Hence, in the automobile industry increased demand for EVs requires an efficient and reliable system for recharging the battery. On-board charging and off-board charging are the two ways of charging schemes for EVs. This paper presents a topology that interfaces the two types of charging systems i.e. slow charging and fast charging as required by the user. TESLA S60 battery model is taken as an example for validation of the proposed topology in simulation. The Cuk converter is designed and implemented for charging the battery in two modes. The MATLAB/Simulink software is used to simulate and analyze the performance of the system. The prototype hardware model of the charger is developed and results are validated with simulation. The results show that the slow charging efficiency is 86% and the fast charging efficiency is more than 82%. In DC fast charging 22 V input is fed and for AC slow charging 230 V input is fed to get 12 V output. In the simulation, charging the battery in fast charging mode takes 5 hours and it takes 10 hours in slow charging mode for the same battery. The circuit charges the lead acid battery in 5 hours and 30 minutes in fast charging mode. In the case of slow charging mode, it charges in 11 hours 36 minutes.
Author(s) Details:
Hemalatha Jeekanahalli Nanjappa,
Department of Electrical and Electronics Engineering, RV College of Engineering, Bengaluru, India.
Sunanda Channaiah,
Department of Electrical and Electronics Engineering, RV College of Engineering, Bengaluru, India.
Please see the link here: https://stm.bookpi.org/TAER-V9/article/view/13825
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