Design And Fabrication of Multi- Sources Renewable Power Generation System

The Hybrid Power Generation System Using Solar, Wind and Piezoelectric Energy Sources provides an effective approach for utilizing multiple renewable energy resources in a single integrated system. The 12 V, 60 W solar panel acts as the primary generation source, while the 12 V, 10 W wind generator and piezoelectric footstep mechanism provide supplementary energy under suitable operating conditions. The generated power is regulated through appropriate power-conditioning circuits and stored in a 12 V, 5 Ah battery for later utilization. The microcontroller, voltage sensor, and LCD display enable real-time monitoring of source voltage, battery condition, and load status. The stored energy can supply 12 V DC loads directly, while the inverter converts DC power into 220 V AC for suitable AC loads. The proposed system can achieve a theoretical combined generation capacity of approximately 80 W when all sources operate at their rated outputs. Overall, the system demonstrates the feasibility of combining solar, wind, and human-motion energy harvesting to improve renewable-energy utilization, reduce dependence on conventional electricity, and support sustainable decentralized power applications.

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