Performance Analysis of Solar Powered EV with Transformerless Buck-Boost Converter

Arpana A R, Parvathy S
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Abstract

Electric vehicles (EVs) have become a popular trend in modern times due to their numerous benefits such as the use of renewable energy instead of conventional fuel. When designing the EV architecture, selecting the appropriate DC-DC converter topology is crucial. These converters are essential for matching input voltage with system requirements and controlling power flow. In this study, a high voltage gain Transformerless Buck-Boost converter was chosen for the EV system, which demonstrated high efficiency and minimal power loss. The source for the converter was obtained from solar panels and the MPPT controller was employed for converter control. The performance of the selected converter topology was compared with that of the conventional Buck-Boost converter and Boost converter because these two converters are mainly used in EV systems. The analysis showed that the transformer-less buck-boost converter[2] performed better than the conventional buck-boost converter. The simulation of these converters was carried out using MATLAB Simulink and the results were verified. In conclusion, the chosen converter topology offers improved performance and efficiency, making it a suitable choice for EV systems that use renewable energy sources.
采用无变压器降压-升压转换器的太阳能电动汽车性能分析
电动汽车(EV)具有使用可再生能源代替传统燃料等诸多优点,已成为当代的流行趋势。在设计电动汽车架构时,选择合适的直流-直流转换器拓扑结构至关重要。这些转换器对于使输入电压与系统要求相匹配以及控制功率流至关重要。本研究为电动汽车系统选择了一种高电压增益无变压器降压-升压转换器,该转换器效率高,功率损耗小。转换器的电源来自太阳能电池板,转换器控制采用 MPPT 控制器。所选转换器拓扑结构的性能与传统降压-升压转换器和升压转换器的性能进行了比较,因为这两种转换器主要用于电动汽车系统。分析表明,无变压器降压-升压转换器[2]的性能优于传统的降压-升压转换器。使用 MATLAB Simulink 对这些转换器进行了仿真,结果得到了验证。总之,所选的转换器拓扑结构提高了性能和效率,适合使用可再生能源的电动汽车系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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