A photovoltaic panel emulator using a buck-boost DC/DC converter and a low cost micro-controller

被引：78
作者：
Lu, Dylan D. C. [1 ]
Quang Ngoc Nguyen [1 ]
机构：
[1] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia
来源：
SOLAR ENERGY | 2012年 / 86卷 / 05期
关键词：
DC/DC converter; Photovoltaic; Micro-controller; Emulator; SIMULATOR;
D O I：
10.1016/j.solener.2012.02.008
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In order to facilitate the design and testing of photovoltaic (PV) power systems, a PV emulator which models the electrical characteristic of a PV panel or array is needed. Among different approaches to modeling PV characteristic, namely the I-V curve, curve-fitting is a popular approach. Even though a single high-order polynomial equation may accurately represent the I-V curve, the process of derivation and implementation is rather complex. This paper hence proposes the use of piecewise linear approach which is easier to derive and implement in a low-cost micro-controller. A two-switch buck-boost DC/DC converter is selected as the PV emulator and is analyzed. Experimental results on a hardware prototype of the proposed PV emulator are reported to show the effectiveness of the approach. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1477 / 1484
页数：8
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