This research investigates methods to reduce the operating costs of Range-Extended Electric Vehicles(REEV)at low temperatures through efficient utilization of range extender residual heat.The study presents an operati...This research investigates methods to reduce the operating costs of Range-Extended Electric Vehicles(REEV)at low temperatures through efficient utilization of range extender residual heat.The study presents an operating cost optimization approach incorporating range extender active battery preheating and examines its impact on low-temperature operating costs for REEVs.The research methodology involves developing a vehicle thermal management simulation model based on a commercial REEV,incorporating data from component thermal load testing and road trials.The study establishes an integrated control strategy combining thermal and energy management,utilizing a comprehensive lowtemperature operating cost evaluation function that accounts for fuel consumption,electricity usage,battery degradation,and range extender active battery preheating.The effectiveness of the active preheating method was evaluated across various initial battery charge levels.Simulation results demonstrate that the integrated control strategy achieves an 8%to 17%reduction in lowtemperature operating costs over four WLTC cycles compared to conventional thermostat energy management strategies.展开更多
文摘This research investigates methods to reduce the operating costs of Range-Extended Electric Vehicles(REEV)at low temperatures through efficient utilization of range extender residual heat.The study presents an operating cost optimization approach incorporating range extender active battery preheating and examines its impact on low-temperature operating costs for REEVs.The research methodology involves developing a vehicle thermal management simulation model based on a commercial REEV,incorporating data from component thermal load testing and road trials.The study establishes an integrated control strategy combining thermal and energy management,utilizing a comprehensive lowtemperature operating cost evaluation function that accounts for fuel consumption,electricity usage,battery degradation,and range extender active battery preheating.The effectiveness of the active preheating method was evaluated across various initial battery charge levels.Simulation results demonstrate that the integrated control strategy achieves an 8%to 17%reduction in lowtemperature operating costs over four WLTC cycles compared to conventional thermostat energy management strategies.
