Abstract
This paper proposes a novel bidirectional interleaved hybrid converter which uses coupled inductors (CIs) for battery electric vehicles (BEVs) in order to optimize the performance of the power train. In this paper, a hybrid converter is proposed and designed to realize the integration of the DC/DC converter, and DC/AC inverter together in the BEVs power train with high performance in any operating mode, acting as a backup generator to supply emergency power directly to home. The proposed hybrid converter can improve the system cost, volume, and increase efficiency and reliability. Here, interleaving structure is used to increase power rating, reduce the input current ripple, output voltage ripple, power loss, and increase efficiency. The performance of the proposed converter is improved by using CIs of energy storage inductors. This integrated magnetic design structure reduces the size and improves the converter performance, both steady state and transient. A detailed study of the operating principle and design considerations is presented. In addition, low electromagnetic interference and low stress in the power switching devices are expected. The proposed topology and its control strategy are designed and analyzed using MATLAB/Simulink. Finally, the proposed topology is experimentally validated with results experimental work obtained from the prototype that has been built and integrated into our lab.
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