Charge Equalization of Battery System Considering State of Charge Variations in Electric Vehicle Application

High-efficiency electric motors and controllers allow electric vehicles (EVs) and hybrid electric vehicles (HEVs) to provide a clean, reliable, and environmentally friendly transportation system. In electric vehicles, portable rechargeable batteries are a must-have component. To supply enough energy in an EV/HEV system, a large number of cells must be connected in sequence, but the voltage balancing problem between cells causes poor efficiency. Under the MATLAB Simulink setting, this chapter attempts a modular battery charge equalisation circuit, taking into account the battery’s state of charge (SOC).

Author (s) Details

Ginu Ann George
Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

Tomson Thomas
Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

A. Prince
Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

M. V. Jayan
Department of Electrical Engineering, Rajiv Gandhi Institute of Technology, Kottayam, Kerala, India

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