Impact analysis of electric vehicle charging station on electrical power systems

Abstract

The shift, towards mobility holds promise as a global strategy to reduce carbon emissions in the transportation sector. A reliable and accessible network of charging infrastructure for vehicles (EVs) is crucial for transitioning to this new era. However, it is important to adapt this infrastructure to suit the needs of transportation ecosystem and ensure that all stakeholders are well prepared to support its expansion on the ground. Taking an approach is essential to efficiently and timely implement EV charging infrastructure ensuring it aligns with requirements and seamlessly integrates into both the electricity supply and transportation networks. Charging EVs can be done in ways depending on their location and specific needs. Consequently, there are types of charging infrastructure designed for applications. The specifications and standards for EV chargers also known as electric vehicle supply equipment (EVSE) vary from one country to another based on the EV models, in the market and the characteristics of their electricity grids. The EVSE draws power from the electricity supply, employs a control system and wired connection to safely charge EVs. The control system of an EVSE allows for functions, including user authentication, authorization, for charging, information recording and exchange for network management well as ensuring data privacy and security. It is advisable to use EVSEs that have at control and management capabilities for all charging needs. Conductive charging, also known as plug in or wired charging is the used technology for charging EVs. The requirements of an EVSE for charging depend on factors such, as the type of vehicle, battery capacity charging methods and power ratings. An emerging method, for recharging batteries, which has gained attention is battery swapping. This approach involves replacing a depleted battery in a vehicle with a charged one. Battery swapping is being experimented with across types of vehicles including E-2Ws, E-3Ws, E-cars and even E-buses.