MODELING AND SIMULATION OF SEMITRANSPARENT SOLAR PANEL INSTALLATION FOR EVEN-LIGHTING APPLICATION OF AGRIVOLTAIC SYSTEM

• Main Author: Apriani, Santi
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/77380
• Institution: Institut Teknologi Bandung

Utilization of solar energy with photovoltaic (PV) technology can be a solution to overcome dependence on fossil fuel energy. One of PV application is applied to agricultural activities called agrivoltaic (agriculture-photovoltaic). Agrivoltaic combines agricultural ecosystems with PV systems in the same place, so it doesn't require a larger area of land, and is profitable by yield and electrical energy. Untransparent conventional PV on agrivoltaic system would cause a shading effect to the plants. Not all types of plants are resistant to shading effect, so it is important to have a system that be able to ensure sufficient and even lighting under the PV. In this research, modeling and simulation of solar glazing monocrystalline silicon type semitransparent PV is performed by considering the climate of Bandung City. Modeling uses Rhinoceros including several combinations of PV height, PV tilt angle, and orientation. The simulation results obtained are illuminance (E) and Uniformity (U), then converted to Photosynthetic Photon Flux Density (PPFD). The PPFD value is compared with the recommended value. Experiment is also carried out with pakcoy (Brassica rapa) under semi-transparent PV and direct sun, then the growth of leaf width and height, and yield mass are measured. Based on modeling and simulation, the addition of the height and tilt angle of the semitransparent PV increases the uniformity from 0.89 - 0.99. Semitransparent PV also only causes shading effect on plants by 14% compared to direct sunlight in one year. The PPFD range obtained from the simulation is 282 – 1692 ?mol/s/????2, while the experiment is 100 – 1630 ?mol/s/????2. Therefore, type of plants that are suitable for agrivoltaic systems with semitransparent PV is the majority of C3 plants, for instance, rice, wheat, and soybean. Based on experiments on pakcoy, plant growth on agrivoltaic and conventional agricultural land are not significantly different. Difference of the growth of leaves width and height are no more than 1 mm per 13 days, and difference in yield masses are no more than 1 gram.