GRID CONNECTED & STAND-ALONE MODE OPERATION OF SOLAR PV CHARGING STATION WITH BEMS

Electrical Engineering

At present in the earth’s atmosphere there are numerous number of gases. The gases released from automobiles combine with the atmospheric gases thereby causing “Green House Effect”. As to minimize this effect the usage of automobiles should be decreased. This can be done only with the concept of Electric Vehicle. Electric Vehicles are far better than automobiles because they do not produce any type of pollution. The constrain in Electric vehicle is the run time of battery. The run time depends upon the size of the battery. This causes to increase in the size of a battery which is the most stupid idea for any manufacture company. So, implementation of solar charging stations at every possible area can lead to increase the usage of electrical vehicles, thereby causing a discrete reduction in pollution production. In this project the design of grid connected and stand-alone mode operation of solar PV charging station with a BEMS is done. The EV can be charged by integrating three sources of power i.e., Solar power, Grid power and an External BEMS. This charging station extracts maximum power from solar energy with the help of MPPT controller. This power is used to charge the EV, it can be used to charge the battery and also can supply power to the grid using a Grid Connected Full Bridge Inverter. The simulated results are kept in this paper, so that one can understand how the charging station works.

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