DESIGN AND DEVELOPMENT OF A HYBRID WIND-TURBINE SOLAR CHARGING SYSTEM FOR A SMALL OFFICE
Abstract
This project presents the design, construction, and evaluation of a hybrid wind-turbine solar
charging system aimed at meeting the energy needs of a small office. The system
incorporates four 350W solar panels, a wind turbine, a 12V 220Ah tubular battery, and a
2.0kVA hybrid inverter with MPPT functionality.
Data was collected over multiple days to monitor energy consumption patterns, solar
charging behavior, and system performance under varying environmental conditions.
Battery voltage and solar panel output were recorded at 30-minute intervals. The results
indicated that the solar array significantly contributed to battery charging between 11:00
AM and 4:00 PM, while load demand peaked during midday office operations.
The system successfully supplied consistent power to essential office appliances with a
total load of 195W, translating to an average daily energy consumption of 1.32kWh. The
battery system, supported by solar and wind inputs, demonstrated the feasibility of
autonomous energy supply in small-scale applications.
The study concluded that with proper sizing, control, and environmental considerations,
hybrid renewable systems can offer reliable, sustainable, and cost-effective energy for
small offices, particularly in regions with unreliable grid supply
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