The greatest desire of mankind is to have reliable and sustainable electricity. Over the years, conventional, non-renewable energy resources (e.g. coal, oil, fuel wood etc) had been harnessed to generate electricity. However, these resources are depleting with constant usage. This had initiated a switch in attention to renewable energy sources like wind, solar, tidal energy etc. This paper therefore, demonstrates the design and implementation of a 30KVA hybrid inverter using solar panels and utility supply as means of charging so as to generate reliable and sustainable electricity. To achieve this, hybrid inverter with solar charging system that consists of an inverter powered by a 192VDC battery was used. The solar panel converts solar energy to electric energy and charge up the batteries during the day with the help of MPPT charge controller, the charge controller was able to accommodate 200VDC from the solar panel and deliver an output voltage 192DCV while converting the excess voltage to current at 192V/100A to the battery. During the test of the solar panels, the results obtained showed that the solar panels were more than sufficient to charge the 3200AH batteries that were connected in series and parallel arrangement and it provided a 24 hours uninterruptible power supply. With poor weather (low sun intensity) or at night or when there is grid availability, the hybrid inverter self-charge the batteries. The system operate at minimum running cost, pollution free environment, noiseless, reliable and provide the convenient of a twenty-four hour power supply. With this system, energy efficiency was achieved.
Hybrid power supply, Power reliability, Solar Polar, Inverter, MPPT charge Controller
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