Abstract

With the increasing demand for environment-friendly and high fuel economy vehicles, most of the automotive manufacturers are working on the development of their electric and hybrid electric vehicles (EVs/HEVs). The traction inverter plays a significant role in EV/HEV system and converts energy between the battery and the electric motors. One of the key challenges during the traction inverter development is how to evaluate its performance in the lab. This paper proposes a method to evaluate the performance of traction inverter in EVs/HEVs. Comparing with the traditional lab test methods, the proposed method uses the real driving cycles of the vehicle and illustrates the traction inverter performance in real driving conditions. The experimental results show the benefits of the proposed method.

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