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A Simulation Study of Power and Energy Requirements of an Electric Vehicle for Hybridisation Purposes

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Document pages: 9 pages

Abstract: This work presents a matlab based simulation of an electric vehicle’s powertrain. These powertrains are typically made up of a traction motor, a power electronics interface, and a high energy storage module such as a battery. In an attempt to study power interchange within these components when in motion, a data reliant model of an electric vehicle is developed. The simulation is not solely reliant on the mathematical constraints that goes with analyzing particular sub systems of these vehicles, it also makes use of data extracted from the different components within these vehicles. For example, the temperature, State of Charge (SOC), Open Circuit Voltage (OCV), and internal resistance variations are factors that are most affected as a battery pack undergoes charge and discharge cycles. Also, variables like the electric motors torque, its efficiency, and angular velocity are also affected as the traction motor attempt to put these vehicles in motion. With such data properly extracted and documented from specifically tested and already commercially marketed EV’s. A study of the flow of power and energy within these vehicles can be computed. This study creates a foundation for more research and development into hybridizing electric vehicles.

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