Relieving Grid by Adding PV and BESS for Economical Charging of EV in the Charging Station
American Journal of Computer Science and Technology
Volume 3, Issue 1, March 2020, Pages: 7-17
Received: Dec. 23, 2019;
Accepted: Feb. 3, 2020;
Published: Apr. 14, 2020
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Dol Raj Kunwar, Department of Electrical Engineering, Pashchimanchal Campus, IOE, TU, Pokhara, Nepal
Bijay Sharma, Department of Electrical Engineering, Pashchimanchal Campus, IOE, TU, Pokhara, Nepal
Sunil Paudel, Department of Electrical Engineering, Pashchimanchal Campus, IOE, TU, Pokhara, Nepal
Tanka Nath Ojha, Department of Electrical Engineering, Pashchimanchal Campus, IOE, TU, Pokhara, Nepal
Menaka Karki, Department of Electrical Engineering, Pashchimanchal Campus, IOE, TU, Pokhara, Nepal
Being fueled by electric power, electric vehicles (EVs) are the sustainable alternatives to the conventional vehicles: EVs are likely to alleviate the environmental pollution brought out by excessive use of fossil fuels. To realize electric locomotion, there should be efficient charging facility in our electrical infrastructure to charge the batteries of the EVs. This work proposes an effective topology that focuses to reduce the stress on the grid due to overlapping of EV load profile with the normal Grid-electricity load profile in technically as well as financially feasible way. The EV’s owner can charge his/her vehicle up to desired SOC level from the charging station with sources: PV, BESS and Grid. Here, BESS is a massive energy storage system that can store energy from the grid as well as from the PV system which supplies power to the load during day-time. BESS supplies the load during the peak of the system and helps the grid relieve as well as reduce the Grid-electricity bills during peak hours. Regulation of EV load sharing and prevention of mismatch between circulating currents supplied by power sources is implemented using fixed droop method. The trend of power demand of EVs throughout a day in a charging station is assumed in accordance with the other related works. The economic feasibility of the proposed system is verified in terms of the payback period of the investment made on the PV and BESS. The simulations are successfully implemented to validate the effectiveness of the system and to demonstrate the load management.
Dol Raj Kunwar,
Tanka Nath Ojha,
Relieving Grid by Adding PV and BESS for Economical Charging of EV in the Charging Station, American Journal of Computer Science and Technology.
Vol. 3, No. 1,
2020, pp. 7-17.
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