Comparison of Performance Measurements of Photovoltaic Modules during Winter Months in Taxila, Pakistan

被引：50
作者：
Bashir, Muhammad Anser [1 ]
Ali, Hafiz Muhammad [1 ]
Khalil, Shahid [1 ]
Ali, Muzaffar [1 ]
Siddiqui, Aysha Maryam [2 ]
机构：
[1] Univ Engn & Technol, Dept Mech Engn, Taxila 47050, Pakistan
[2] COMSATS Inst Informat Technol, Dept Elect Engn, Wah 47040, Pakistan
来源：
INTERNATIONAL JOURNAL OF PHOTOENERGY | 2014年 / 2014卷
关键词：
PV MODULES; ENERGY; DUST; SILICON; SYSTEM; IMPACT;
D O I：
10.1155/2014/898414
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper presents the comparative performance evaluation of three commercially available photovoltaic modules ( monocrystalline, polycrystalline, and single junction amorphous silicon) in Taxila, Pakistan. The experimentation was carried out at outdoor conditions for winter months. Power output, module efficiency, and performance ratio were calculated for each module and the effect of module temperature and solar irradiance on these parameters was investigated. Module parameters showed strong dependence on the solar irradiance and module temperature. Monocrystalline and polycrystalline modules showed better performance in high irradiance condition whereas it decreased suddenly with decrease in irradiance. Amorphous solar module also showed good performance in low irradiance due to its better light absorbing characteristics and thus showed higher average performance ratio. Monocrystalline photovoltaic module showed higher monthly average module efficiency and was found to be more efficient at this site. Module efficiency and performance ratio showed a decreasing trend with increase of irradiance and photovoltaic module back surface temperature.
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页数：8
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