Abstract
Batteries play the most important role in traveling distance as well as performance of traction motor of every electric vehicle. Noticeably, the battery has a wide voltage range from fully-charged to empty state. However, the traction motor needs an appropriate DC-link voltage value to work with full performance, thus, only a part of the voltage range of the battery is utilized. Under this value, the vehicle is considered to be run out of energy and stopped. In this paper, we propose a solution for such matter by using Bidirectional Quasi-Z-Source inverter instead of conventional one. Applying this solution, the vehicle can take advantage of full voltage range of the battery while still keep the performance of the motor at the highest level. Simulation in Matlab/Simulink with various scenarios has been carried out to validate the effectiveness of the proposed solution.
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