论文标题

考虑E-PowerTrain组件的寿命,电动汽车的实时动态动力流量

Real-Time Dynamic Optimal Power Flow in Electric Vehicles Considering the Lifetime of the Components in the E-Powertrain

论文作者

Mohagheghi, Erfan, Gasso, Joan Gubianes, Li, Pu

论文摘要

可以在电动汽车中使用不同类型的能源(例如电池,超级电池,燃料电池)通过电力电子设备在电子驱动器中存储和提供能量[1-6]。 E-PowerTrain中组件的寿命取决于其负载曲线[7,8]。例如,电池的寿命高度取决于排放的深度和电荷/放电周期的数量[9-13]。逆变器的寿命主要取决于通过它的活动反应功率的变化。这意味着,可以通过在最佳时间实例中向每个能源源和电力电子设备分配最佳的总功率份额来降低组件的消耗寿命成本。此外,可以通过减少能源损失(即操作高效区域的组件)来延长车辆的驾驶范围。因此,有必要在E-PowerTrain的操作中执行最佳功率流(OPF)。

Different types of energy sources (e.g., batteries, supercapacitors, fuel cells) can be utilized in electric vehicles to store and provide energy in the e-powertrain through power electronic devices [1-6]. The lifetime of the components in the e-powertrain depends on their load profile [7,8]. For instance, the lifetime of a battery highly depends on the depth of discharge and the number of charge/discharge cycles [9-13]. The lifetime of an inverter mostly depends on the variations in the active-reactive power passing through it. This means that the expended life cost of the components can be decreased by allocating an optimal share of the total power to each energy source and power electronic device at an optimal time instance. In addition, the driving range of a vehicle can be prolonged by decreasing the energy loss i.e., operating the components in their high-efficiency region. Therefore, it is necessary to perform Optimal Power Flow (OPF) in the operation of the e-powertrain.

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