A Bidirectional Charging System for Electric Two-Wheelers and Three Wheelers

2022 IEEE Global Conference on Computing, Power and Communication Technologies (GlobConPT) Pub Date : 2022-09-23 DOI:10.1109/GlobConPT57482.2022.9938214

Bhim Singh, J. Gupta

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引用次数: 1

Abstract

In this work, a bidirectional charging system (BCS) based on transformerless approach is presented for the electric two wheelers (E2W) and three wheelers (E3W) battery packs. In order to eliminate high or low frequency transformers and associated drawbacks, and to maintain desired voltage gain between AC mains and low voltage battery packs, an extended gain bidirectional switched inductor zeta (EGBSIZ) converter is employed in the presented BCS at its DC-DC stage. The presented EGBSIZ converter based DC-DC stage not only ensures extended gain characteristics between grid and low voltage battery pack but also realize bidirectional power flow capability between both, and therefore, enhance the overall usability of the E2W and E3W in today's smart grid scenario. Further, the front end stage of the presented BCS is controlled in a manner to achieve distortion free supply current characteristics at AC mains even under distorted or polluted grid conditions. Finally, the presented BCS is modelled, and comprehensively analyzed through simulation under various operating conditions and the relevant results are discussed to support the high level of performance characteristics of the presented BCS.

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电动两轮车和三轮车双向充电系统

针对电动两轮(E2W)和三轮(E3W)电池组，提出了一种基于无变压器方法的双向充电系统(BCS)。为了消除高频或低频变压器及其相关缺陷，并保持交流市电和低压电池组之间所需的电压增益，本设计的BCS在其DC-DC阶段采用了扩展增益双向开关电感zeta (EGBSIZ)转换器。所提出的基于EGBSIZ变换器的DC-DC级不仅保证了电网和低压电池组之间的扩展增益特性，而且实现了两者之间的双向潮流能力，从而提高了E2W和E3W在当今智能电网场景中的整体可用性。此外，所述BCS的前端级以一种方式控制，即使在扭曲或污染的电网条件下，也能在交流市电处实现无失真的电源电流特性。最后，对所提出的BCS进行了建模，并在各种工况下进行了仿真综合分析，讨论了相关结果，以支持所提出的BCS具有高水平的性能特性。

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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2022 IEEE Global Conference on Computing, Power and Communication Technologies (GlobConPT)

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