A Novel Non-Isolated High Step-Up DC-DC Converters for Photovoltaic Applications

被引：0
作者：
Ranjana, Mahajan Sagar Bhaskar [1 ]
SreeramulaReddy, Nandyala [1 ]
Kumar, Repalle Kusala Pavan [1 ]
机构：
[1] VIT Univ, Sch Elect Engn, Chennai, Tamil Nadu, India
来源：
2014 IEEE INTERNATIONAL CONFERENCE ON CIRCUIT, POWER AND COMPUTING TECHNOLOGIES (ICCPCT-2014) | 2014年
关键词：
Continuous conduction mode(CCM); discontinuous conduction mode (DCM); DC-DC converter; step-up; photovoltaic;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper proposes a novel non-isolated high step-up DC-DC converters for photovoltaic applications, where voltage is needs to be step-up without using transformer and coupled inductors. In this paper three novel DC-DC converter topologies are discussed in detail, which are suitable for photovoltaic applications. In this proposed converters, two similar inductors are charges in parallel when switches S1, S2 are ON and discharges in series when switches S1, S2 are OFF. The steady state analysis of proposed converters for continuous conduction mode (CCM) and discontinuous conduction mode (DCM) are discussed in detail. The proposed converters have been designed with rated power 200W, input voltage is 24V and switching frequency is 50kHz. The output voltage of the converter-I, II, III is 168V, 192V, 216V respectively. The simulation results will verify the validity of the analytical design of the proposed DC-DC converters. The proposed converter topologies are simulated in MATLAB/SIMULINK.
引用
收藏
页码：970 / 977
页数：8
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