A Dual-Input Central Capacitor DC/DC Converter for Distributed Photovoltaic Architectures

被引：20

作者：

Chen, Mengxing ^{[1
]}

Gao, Feng ^{[1
]}

Li, Ruisheng ^{[2
]}

Li, Xianwei ^{[2
]}

机构：

[1] Shandong Univ, Key Lab Power Syst Intelligent Dis & Control, Minist Educ, Jinan 250061, Peoples R China

[2] XJ Elect Corp Ltd, Xuchang 461000, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2017年 / 53卷 / 01期

关键词：

Adaptive control; converter rating; dc-dc converter; photovoltaic converter; power semiconductor stress; POWER ELECTRONICS; MPPT;

D O I：

10.1109/TIA.2016.2606604

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a dual-input central capacitor dc/dc converter for distributed photovoltaic (PV) power harnessing, which can be used to boost dual input sources with minimized semiconductor voltage/current stress and converter rating. Also the proposed circuit could realize the independent maximum power point tracking capability for two input PV sources. This paper analyzes the operational principle of the proposed dual-input central capacitor dc/dc converter under both continuous conduction mode and discontinuous conduction mode and presents a comparative study between dual-input central capacitor converter and its counterparts. Besides, an adaptive control method considering PV power difference, operational safety and efficiency is elaborated. Finally, the proposed converter along with its adaptive control method was verified through MATLAB simulation and a laboratory prototype.

引用

页码：305 / 318

页数：14

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