University of Khartoum

Indoor Lighting With Solar Energy

Indoor Lighting With Solar Energy

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Title: Indoor Lighting With Solar Energy
Author: Ibrahim, Ibrahim Khalid
Abstract: Off-grid photovoltaic (PV) system is generating electrical energy from solar irradiation only and it’s independent of the utility power grid. This type of systems requires a storage units to ensure continuity supply of power to the load during the absence of solar irradiation. Electrochemical batteries are used to store electricity because it is the most efficient type of storages available at the time. A charge controller is used to regulate the output voltage received from the panels to charge the batteries. An AC/DC inverter is used to convert the direct current (DC) from the batteries or the PV panels to the alternating current (AC) that powers the load. The aim of this project is to design an off-grid PV system with a battery bank for EN22 class room. The size of the system’s components is calculated. ETAP simulator program was used to simulate the operation of the system In ETAP, different scenarios were created to obtain the output and examine the protection system schemes. Different results were obtained as a response of system to the abnormal conditions (faults). Another approach is introduced as a suggestion to reduce the overall cost of the system which is PV solar system without battery.As the output of the PV is strongly depends on the irradiation (W/m2) and also affected by the temperature, IV (current voltage) curve which illustrates the relationship between the voltage, current and power for specific temperature and irradiation was studied to ensure proper operation of the system
URI: http://khartoumspace.uofk.edu/123456789/25796
Date: 2017


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