Analysis of Power Losses and Evaluation Model for SiC MOSFET-based Triple Active Bridge Converter in Hybrid Electric Aircraft Applications

Ahmed Hamed Ahmed Adam, Jiawei Chen, Salah Kamel, J. Domínguez-García, Mohammed Hassan Ahmed
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Abstract

In this article, an analysis and evaluation of energy switch losses in the triple active bridge (TAB) converter for hybrid electric aircraft based on silicon carbide (SiC) is presented. The analysis evaluates various converter operation modes while considering voltage levels, switches (SiC Diode and SiC MOSFET), and transformer leakage inductance. Further, the study examines voltage conversion ratios and transformer parameters. The inductive clamp double pulse test (DPT) is used to experimentally determine the total switching energy loss of a SiC MOSFET under real working conditions. Simulation results are also presented to verify the accuracy of the theoretical analysis. The results confirm the effectiveness of SiC MOSFET modules in reducing power loss in the TAB converters.
混合动力飞机应用中基于 SiC MOSFET 的三有源桥式转换器的功率损耗分析和评估模型
本文分析和评估了基于碳化硅(SiC)的混合动力电动飞机三主动桥(TAB)转换器中的能量开关损耗。分析评估了各种转换器运行模式,同时考虑了电压水平、开关(碳化硅二极管和碳化硅 MOSFET)和变压器漏感。此外,研究还考察了电压转换率和变压器参数。电感钳位双脉冲测试 (DPT) 用于实验确定 SiC MOSFET 在实际工作条件下的总开关能量损耗。同时还给出了仿真结果,以验证理论分析的准确性。结果证实了 SiC MOSFET 模块在减少 TAB 转换器功率损耗方面的有效性。
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