A Novel High Step-Up DC-DC Converter for Photovoltaic Applications

被引：20

作者：

Nakpin, Annop ^{[1
]}

Khwan-on, Sudarat ^{[1
]}

机构：

[1] Suranaree Univ Technol, Sch Elect Engn, Nakhon Ratchasima 30000, Thailand

来源：

2016 INTERNATIONAL ELECTRICAL ENGINEERING CONGRESS, IEECON2016 | 2016年

关键词：

DC-DC converter; High step-up voltage gain; Single switch; Photovoltaic system;

D O I：

10.1016/j.procs.2016.05.051

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a new topology of a high step-up dc-dc converter for photovoltaic system applications. The proposed converter can boost up the low input voltage, about 20V, generated from the PV array to the high output voltage level of approximately 400V. The proposed converter employs only one power switch to achieve a high step-up voltage conversion ratio, approximately 20 times, without the extremely large duty cycle. The operating principles and steady-stage analyses of continuous conduction mode are described in detail. The relationship between the step-up voltage ratio and the duty cycle of the proposed converter is analyzed. The simulation and experimental results are shown to demonstrate the effectiveness of the proposed high step-up single-switch dc-dc converter for low-input and high-output voltage systems. (C) 2016 The Authors. Published by Elsevier B.V.

引用

页码：409 / 412

页数：4

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