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首页> 外文会议>International Conference on Applied Energy >Design and Implementation of a Loss Optimization Control for Electric Vehicle In-Wheel Permanent-Magnet Synchronous Motor Direct Drive System
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Design and Implementation of a Loss Optimization Control for Electric Vehicle In-Wheel Permanent-Magnet Synchronous Motor Direct Drive System

机译：电动车载永磁同步电动机直接驱动系统损耗优化控制的设计与实现

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摘要

As a main driving force of electric vehicles (EVs), the loss of in-wheel permanent-magnet synchronous motor (PMSM) direct drive system can seriously affect the energy consumption of EVs. This paper proposes a loss optimization control strategy for EV in-wheel PMSM direct drive system which can optimize both the loss of PMSM and loss of inverter. The proposed method adjusts the copper loss and iron loss by optimal flux-weakening current, and as a result the PMSM achieve the lower loss in the whole operation range. According to the speed, the PWM frequency is optimized by the proposed control strategy, which can acquire high efficiency of inverter and not affect the stability of the PMSM system in the each operation condition. The optimum flux-weakening current and PWM frequency can be quickly found, and optimal effects of energy loss are verified by theoretical analysis and experimental results.
机译：作为电动车辆（EVS）的主要驱动力，车载永磁同步电动机（PMSM）直接驱动系统的损失可能会严重影响EVS的能量消耗。本文提出了EV车载PMSM直接驱动系统的损耗优化控制策略，可优化PMSM损耗和变频器的损耗。所提出的方法通过最佳的助焊电流调节铜损和铁损，因此PMSM在整个操作范围内实现较低的损耗。根据速度，PWM频率通过所提出的控制策略进行了优化，可以获得高效率的逆变器，而不会影响每个操作条件中PMSM系统的稳定性。可以快速发现最佳的通量弱化电流和PWM频率，通过理论分析和实验结果验证了能量损失的最佳效果。

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