Battery Charger Utilizing Coupled Inductor Based High Gain Bidirectional DC-DC Converter: Analysis, Design, and Implementation

European Journal of Electrical Engineering Pub Date : 2021-06-21 DOI:10.18280/ejee.230302

Mahamdasraf A. Mulla, Vishal J. Dobariya, R. V. Vamja, Arindam Sircar

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引用次数: 1

Abstract

The bidirectional dc-dc converter with high voltage gain and high efficiency plays an important role in the designing of battery charging systems. In this paper, design and development of a battery charging system utilizing coupled inductor based high gain dc-dc converter is presented. The converter uses a clamp capacitor network to recover the leakage energy of a coupled inductor. The converter has inherent soft-switching capability during turn ON, which ensures high efficiency at high switching frequency. Design equations to derive value of different passive components are given and a step-wise exclusive design to construct coupled inductor is presented. A 50 kHz, 500 W laboratory prototype has been designed, which can increase the voltage with 10 gain (boost operation) in one direction and can reduce the voltage at (1/10) gain (buck operation) in other direction. The CCCV battery charging algorithm is implemented using generic ARM Cortex-M4 microcontroller. Extensive experiments have been performed and the experimental results are presented in buck, boost, and battery charging operations.

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基于耦合电感的高增益双向DC-DC转换器的电池充电器:分析、设计与实现

具有高电压增益和高效率的双向dc-dc变换器在电池充电系统设计中起着重要的作用。本文介绍了一种基于耦合电感的高增益dc-dc变换器的电池充电系统的设计与开发。该变换器采用钳位电容网络来恢复耦合电感的泄漏能量。该变换器具有固有的导通软开关能力，保证了在高开关频率下的高效率。给出了推导不同无源分量值的设计方程，并提出了一种逐级排他设计耦合电感器的方法。设计了一个50 kHz, 500 W的实验室样机，它可以在一个方向上以10倍增益(升压工作)增加电压，在另一个方向上以(1/10)增益(降压工作)降低电压。CCCV电池充电算法采用ARM Cortex-M4通用微控制器实现。进行了大量的实验，并在降压、升压和电池充电操作中给出了实验结果。

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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European Journal of Electrical Engineering

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