EXPERIMENTAL INVESTIGATION OF MONOCRYSTALLINE AND POLYCRYSTALLINE SOLAR MODULES AT DIFFERENT INCLINATION ANGLES

Year 2018, Volume: 4 Issue: 4 - Special Issue 8: International Technology Congress 2017, Pune, India, 2137 - 2148, 10.04.2018

Hafiz Muhammad Ali

https://doi.org/10.18186/journal-of-thermal-engineering.433795

Cited By: 5

Abstract

Photovoltaic
modules have a potential market for off-grid applications in rural context with
limited access to the electrical grid. For fixed photovoltaic systems, proper orientation
of photovoltaic modules at specific conditions plays a significant role to have
maximum performance. This paper presents the effects of different metrological
parameters on the performance of photovoltaic modules at three different
inclination angles (0°, 33.74° and 90°) with horizontal. Six 40W photovoltaic
modules (three monocrystalline and three polycrystalline) were exposed to sunlight
at three different inclination angles. Performance ratio, module efficiency,
fill factor were calculated for photovoltaic module at different inclination
angles and results presented. PV modules at 33.74° tilt angle received high
solar radiation and showed high output power. As solar radiation increases, the
radiation losses from the surface of the module increases and resultant
decrease the module efficiency and increase the module temperature at high
solar irradiance. During the winter months, the average efficiency of the monocrystalline
PV module at 0° and 90° was 4% and 2% higher respectively than the 33.74° tilt
angle. Similarly polycrystalline PV module showed 7% and 5% higher efficiency
at 0° and 90° respectively than the 33.74°. Moreover, Fill factor of PV module
at 33.74° tilt angle had the highest value as compared to other
tilt angles. 

Keywords

Photovoltaic Modules, Module Efficiency, Fill Factor, Inclination Angle

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