用于直流微电网的混合式DC-DC变换器

2022 International Conference on Intelligent Innovations in Engineering and Technology (ICIIET) Pub Date : 2022-09-22 DOI:10.1109/ICIIET55458.2022.9967504

J. S. Sakthi Suriya Raj, P. Sivaraman

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引用次数: 0

摘要

本文提出了一种适用于微电网的混合变换器。它由一个作为直流电源的太阳能光伏和一个为本地直流负载供电的蓄电池组成。本文提出的变换器是一种简单的电路，集成了双向半桥DC-DC变换器和升压变换器，分别用于蓄电池的充电、放电和MPPT控制。采用Perturb法和Observe法实现了太阳能光伏的最大功率控制。采用PI控制，设计了一种闭环控制系统来实现电池的充放电。将该直流微电网与电网系统集成，并利用MATLAB/Simulink软件对变换器的性能进行了评估。与现有的变换器相比，该变换器的功率元件数量较少，效率达到95.7%。

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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Hybrid DC-DC Converter for DC Microgrid Applications

This article, presents a hybrid converter for micro-grid application is proposed. It consists of a Solar PV as a DC source, and a storage battery to power a local DC load. The proposed converter is a simple circuit that integrated a bidirectional half-bridge DC-DC converter and a boost converter to perform charging, discharging of storage battery, and MPPT control respectively. The MPPT control for solar PV is achieved using Perturb and Observe method. A closed-loop control system is developed using PI control to charge and Discharge the battery. This DC micro-grid is integrated with the grid system and the performance of the converter is evaluated using MATLAB/Simulink software. In comparison to existing converters, the proposed converter has a lower number of power components and achieved an efficiency of 95.7%.

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2022 International Conference on Intelligent Innovations in Engineering and Technology (ICIIET)

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