Maximum Power Point Tracking Method under Partial Shading Conditions

被引：0
|
作者：
Nge, Chee Lim [1 ]
Midtgard, Ole-Morten [1 ]
Norum, Lars [1 ]
机构：
[1] Norwegian Univ Sci & Technol, N-7491 Trondheim, Norway
来源：
2012 38TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2012年
关键词：
maximum-power-point tracking; partial shading effects; photovoltaic energy conversion system; solar generator; SYSTEM;
D O I：
暂无
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：
The occurrence of multiple local maxima due to partial shading conditions poses a challenge to MPPT techniques. Scanning approach is able to search for global MPPs but incurs power loss during the scanning. This paper presents a strategy that reduces the scanning period by skipping parts of the voltage range. The operating principle is based on the simplified analysis of the PV characteristics. In order to account for rapidly changing atmospheric conditions, real-time MPPT technique is employed between the scanning intervals. Boost converter is developed to experimentally verify the proposed MPPT method under various partial shading conditions.
引用
收藏
页码：1434 / 1436
页数：3
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