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| Design and Analysis of Solar Power System for the Mechanical Engineering Workshop and Laboratories of Rivers State University, Nigeria |
Barinyima Nkoi and John Peter Ejiowhor
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Abstract:
This study provides an effective solution to the problem of erratic power supply to the Rivers State University Mechanical Workshop and Laboratories by using solar power system designed to operate in stand-alone mode. It includes conducting an energy audit to estimate energy consumption in the workshop and Laboratories, sizing of the solar components to required capacities that will cover the energy consumption. The energy audit conducted shows that the Workshop and Laboratories consumed 200kW. The design analysis carried out on the proposed system revealed that 300kW of energy is required from the system which required a total of 350 PV modules, covering an array area of 314m2 amounting to a peak power, output voltage and output current of 80kW, 300V and 267A, respectively. The proposed system designed would generate an average of 216kW of energy in 6.5-hours of sun shine, which would be stored in 883kW capacity battery bank, containing 21 batteries of 48V and 1000Ah each wired into 3 parallel strings of 7 Batteries per string.
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