DESIGN AND CONSTRUCTION OF 1.5KVA/12V PURE SINE WAVE SOLAR POWERED INVERTER WITH SURGE PROTECTIVE DEVICE
Abstract
This project presents the design and construction of a 1.5kVA/12V solar powered
inverter with an integrated surge protective device (SPD). it is developed to convert direct
current (DC) from solar panels and batteries into Alternating current (AC) suitable for
powering household and small office appliances. A charge controller is included to regulate
the battery charging process, preventing overcharging and deep discharge. The inverter
circuit employs power electronic components such as MOSFETs and a transformer to
generate a stable 220V, 50Hz AC output.
A key feature of this project is the integration of a surge protective device, which
provide protection against voltage spike caused by lightning or electrical faults. This
enhances the reliability and lifespan of both the inverter and connected appliances.
This project demonstrates practical applications of power electronics, renewable
energy technologies and electrical safety systems
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