- 1 Jimoh A. A.*, 2 Abdulkadir Z. A., 3 Mukthar A., 4 Mumin A. 5 Bello B. A., 6 Abdullahi K. A., and 7 Ambali O. A.
- 1,2,3,4,5,6,7 Department of Electrical & Electronic Engineering, Institute of Technology, Kwara State Polytechnic, Ilorin
This study evaluates the electrical design efficiency of a local design and implementation solar-powered refrigerator system aimed at addressing refrigeration challenges in off-grid and underserved regions. The system utilizes locally available materials to ensure sustainability, affordability, and ease of maintenance. Key electrical parameters such as voltage, current, power consumption, and efficiency metrics were analyzed to optimize energy utilization and system performance. Normality tests confirmed the reliability of freezing time data collected at five-minute intervals. Comparative analysis of single-battery and dual-battery configurations demonstrated the impact of energy storage capacity on cooling performance. The findings highlight the potential of locally designed solar refrigeration systems to provide energy-efficient, cost-effective, and environmentally sustainable cold storage solutions, contributing to improved food security and healthcare storage in areas with unstable electricity supply. Recommendations for further optimization include advanced energy management strategies and integration of smart control mechanisms to enhance system reliability and longevity.
