Electric vehicle charging station by using multiport converter at Constant current & constant voltage
Anmol Mukundrao Raut, Puja Sahastrabbudhe
Direct Current (DC), Direct Current Fast Charging (DCFC), Battery Energy Storage System (BESS), Alternating Current (AC), Constant Current (CC), Constant Voltage (CV).
Due to constant increasing voice against carbon emission, Electric Vehicle has become very popular across all over the world. However, there are some challenges like high vehicle costs, lower travel range, and lack of charging infrastructure which needs to be addressed. Though, Range concern of users can be resolved by establishing DC fast charging (DCFC) station across all over the places but fast charger puts a huge amount of load on the grid which is not designed for this scenario and needs to be reinforced which results in high upgrading cost. However, there are various DCFC topologies with battery energy storage system (BESS) are given in the literature which can resolved these issues. This dissertation closely reviews and presents pros and cons of various DCFC topologies with BESS given in the literature. In this work, the multi-port converter is proposed for the DC fast charging station. It uses the multiple-port of AC and DC sources to charge the battery. Due to ease of control and availability of resources, only three ports are considered in this work to charge the battery. The two ports uses Grid and solar panel as the source while third port is the energy storage system which will supply the deficit of energy when load demand is high on charging station. The ports of multi-port converter is controlled using different converter in order to charge the battery in constant current (CC) and constant voltage (CV) mode. The control strategy and detailed mathematical modelling along with in depth analysis of AC-DC and DCDC Converter is presented in the thesis and experimental and simulation results attached to verify the claims proposed in this work.
Article Details
Unique Paper ID: 154848

Publication Volume & Issue: Volume 8, Issue 12

Page(s): 747 - 478
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