A Dual Output High Gain DC-to-DC Converter for Electric Vehicle Application

2019 International Conference on Power Electronics, Control and Automation (ICPECA) Pub Date : 2019-11-01 DOI:10.1109/ICPECA47973.2019.8975531

Sheetal Gore, P. K. Maroti, M. Al-Hitmi, A. Iqbal

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引用次数: 1

Abstract

The paper proposes a dual output DC-DC converter for electric vehicle battery charging application from the PV source. The proposed converter is derived from modified SEPIC Converter (converter-A) and multilevel boost converter (converter-B) in such way that both converter share common input source as PV. Generally, the voltage of PV is low and series and parallel combination of PV module is not a practicable solution to accomplish high voltage demand of electric vehicle charging station. Therefore, the high gain DC-DC plays a vital in PV integrated electric vehicle charging station from low to high voltage conversion. However, with dual output capability and single switch controlled structure make the proposed converter a superior choice for PV integrated EV charging station. In addition, the same or different rated output can be achieved with proper selection of duty ratio. The working principle with characteristics waveform and mathematical analysis of voltage gain are discussed in detail. The proposed converter is simulated in MatLab 2018a and obtained simulation result proves the mathematical analysis and functionality of the converter.

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一种用于电动汽车的双输出高增益dc - dc变换器

提出了一种用于电动汽车电池充电的双输出DC-DC变换器。所提出的变换器是由改进的SEPIC变换器(变换器- a)和多电平升压变换器(变换器- b)衍生而来的，这样两个变换器都共享PV的公共输入源。一般情况下，光伏的电压较低，光伏组件的串并联组合并不是实现电动汽车充电站高压需求的可行方案。因此，高增益DC-DC在光伏一体化电动汽车充电站低压向高压转换中起着至关重要的作用。然而，该变换器具有双输出能力和单开关控制结构，是光伏一体化电动汽车充电站的理想选择。此外，通过选择适当的占空比，可以实现相同或不同的额定输出。详细讨论了其工作原理、特征波形和电压增益的数学分析。在MatLab 2018a中对该变换器进行了仿真，仿真结果证明了该变换器的数学分析和功能。

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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2019 International Conference on Power Electronics, Control and Automation (ICPECA)

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