Modeling the Impact of Thermal Management on Electric Vehicle Energy Consumption and Driving Range
2024 40th Semiconductor Thermal Measurement, Modeling & Management Symposium (SEMI-THERM)（2024）
Abstract
Electric vehicle (EV) energy consumption is strongly impacted by the energy used to maintain cabin, motor, and battery temperatures. We present an approach for predicting EV energy consumption based on environmental conditions where a 3D heat transfer model of the vehicle and its occupants is combined with a thermal-electrical model of the battery pack and a 0D EV energy consumption model. The heat transfer and thermal-electrical battery model are used to calculate the energy needed to maintain occupant comfort and the motor and battery temperatures within their optimal ranges, while the 0D model calculates the energy consumption of the motor for a specific drive cycle. We apply this approach to a city drive cycle of a representative EV in three different environments and compare the impacts of thermal management.
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Key words
Energy Consumption,Electric Vehicles,Thermal Management,Vehicle Energy Consumption,Electric Vehicles Energy Consumption,Heat Transfer,Heat Transfer Model,Battery Temperature,Air Temperature,Power Consumption,State Of Charge,Increased Energy Expenditure,Cold Conditions,Power Demand,Weather Data,Cold Environments,Thermal Comfort,Thermal Model,Hot Conditions,Setup Time,Hot Environments,Coolant Flow,Coefficient Of Performance,Coolant Temperature,Thermal Requirements,Simulation Time Step,Battery Management,Battery Management System,Heat Transfer Simulation,Airflow
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