CD Skripsi
Analisis Pengaruh Perubahan Temperature Dan Partial Shading Terhadap Performance Ratio Rooftop Pv Gedung Fakultas Teknik Universitas Riau
ABSTRACT
The development of alternative energy sources is currently experiencing rapid growth, particularly in the development of solar power plants (SPPs) that convert solar energy into electricity. As the use of SPPs continues to expand, it is important to understand the factors that influence the efficiency of the system, including temperature fluctuations and partial shading caused by surrounding objects. This study analyzes the impact of changes in the surface temperature of solar panels and partial shading on the Performance Ratio (PR) of the photovoltaic (PV) system on the roof of the Faculty of Engineering Building at the University of Riau. The study was conducted by measuring the surface temperature of the panels, solar radiation intensity, and the power output of the solar panels. In each measurement, partial shading effects were applied to observe their impact. The tools used were a thermogun to measure the surface temperature of the panels and flexilon as a shading medium. The shading parameters used included Shading 12 Cell, shading 24 Cell, and Shading 36 Cell (fully covered). Data collection was conducted over seven consecutive days, from 08:00 to 17:00 WIB, with a 30-minute data collection interval. The research results indicate that an increase in surface temperature affects a decrease in power output when the solar panel is in normal conditions (without shading). Conversely, when partial shading conditions increase, surface temperature does not significantly affect the decrease in power output of the panel. The higher the level of partial shading, the lower the power output of the solar panel. Similarly, the Performance Ratio (PR) it produces reaches 84.4% under normal conditions. However, under 12-Cell Shading conditions, the PR drops to 8.50%, under 24-Cell Shading conditions, the PR becomes 7.10%, and under 36-Cell Shading conditions (fully covered), the PR produced is only 5.20%. This demonstrates that as the intensity of partial shading increases, the Performance Ratio produced decreases.
Keywords: PLTS, Surface Temperature, Partial Shading, Performance Ratio
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