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International Journal of Research and Innovation in Applied Science (IJRIAS) | Volume V, Issue XI, November 2020 | ISSN 2454–6186

Review of Different Methods and Topologies for Fast Charging of Electric Vehicles

A. Srilatha1, Dr. A. Pandian2, Dr. P. Srinivasa Varma3
1Research Scholar, Electrical & Electronics Engineering,KoneruLakshmaiah Educational Foundation (Deemed to be University) A.P, India
2Professor, Electrical & Electronics Engineering, Koneru Lakshmaiah Educational Foundation((Deemed to be University) A.P, India
3Associate Professor, Electrical & Electronics Engineering, Koneru Lakshmaiah Educational Foundation (Deemed to be University) A.P, India

IJRISS Call for paper

Abstract—To encourage clean and green atmosphere and to decrease carbon emission, the Government of India aims for a country with 100 percent electric vehicle mobility by the year 2030. For a vast number of electric vehicles to be running on Indian roads, there is a need for fast charging stations and infrastructure. This paper presents different fast charging systems along with different power converter topologies for electric vehicles. To charge battery of electric vehicle, the safety and charging time of battery must be considered. lithium-ion battery in electric vehicles has advanced the need for new optimum charging methods to improve the speed and reliability of the charging process without weakening battery performance. Efforts have been employed to develop optimal charging strategies for commercial Li-ion batteries over the last decade. The active optimal charging strategies have great potential to meet the requirement.

Keywords—Fast charging, Electric vehicle, Charging methods,ZVS,DC-DC converter.

1.Introduction

A major concern has been generated by increasing carbon pollution in the atmosphere, leading to high emissions of CO2 from internal combustion engine vehicles (ICEVs). Because of their environmental benefits and growing oil prices, electric vehicles (EVs)[1] offer a huge potential to become desirable alternatives to ICEVs.In developing economies such as India, growth in quick charging infrastructure for electric vehicles[2] has therefore become a challenge. An operating system, a customer information system and a charging system make up the charging infrastructure. Among these, the most vital and necessary part of the charging infrastructure is the charging device. With the EV battery system, the charging system needs to be appropriate and is defined as a slow and fast charger depending on the power it handles. For full battery charging, the slow charger handles 3-4 KW of power and takes about 6-7 hours, so that the slow charger is used during the night to charge a household grid power. The fast charger, however, handles about 50 kW of power and charges the EV rapidly (less