High-Efficiency Modular High Step-Up Interleaved Boost Converter for DC-Microgrid Applications

被引：176

作者：

Lai, Ching-Ming ^{[1
]}

Pan, Ching-Tsai ^{[2
]}

Cheng, Ming-Chieh ^{[2
]}

机构：

[1] Lite ON Technol Corp, Power SBG, Taipei 235, Taiwan

[2] Natl Tsing Hua Univ, Dept Elect Engn, CAPT, Hsinchu 30013, Taiwan

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2012年 / 48卷 / 01期

关键词：

DC microgrid; high step-up converter; modeling and parallel operation control; CIRCULATING CURRENTS; VOLTAGE-DOUBLER; POWER; SYSTEM; INVERTER; CIRCUIT; QUALITY;

D O I：

10.1109/TIA.2011.2175473

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a modular interleaved boost converter is first proposed by integrating a forward energy-delivering circuit with a voltage-doubler to achieve high step-up ratio and high efficiency for dc-microgrid applications. Then, steady-state analyses aremade to show the merits of the proposed converter module. For closed-loop control design, the corresponding small-signal model is also derived. It is seen that, for higher power applications, more modules can be paralleled to increase the power rating and the dynamic performance. As an illustration, closed-loop control of a 450-W rating converter consisting of two paralleled modules with 24-V input and 200-V output is implemented for demonstration. Experimental results show that the modular high step-up boost converter can achieve an efficiency of 95.8% approximately.

引用

页码：161 / 171

页数：11

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