By Dwibin Thomas, cluster automation leader at Schneider Electric.
Dwibin Thomas.
Electric Vehicles (EVs) have become commonplace in numerous countries, even having their own, bona fide racing events such as Formula E and Extreme E. It is safe to say that green technology has cemented its role in the automotive industry. In South Africa, the EV market is enjoying some encouraging awareness. However, lack of supporting infrastructure, such as charging stations and ongoing power outages, remain dealbreakers for some.
EVs have the potential to address some of our country’s power supply problems. These vehicles have the ability to store a significant amount of power in their batteries, typically ranging from 40 to 100 kilowatt-hours depending on the car’s size and make. This is significant, particularly when you consider that cars are parked for hours on end, with their batteries fully charged and simply standing still. It is during this time when these batteries can give back to the grid. Just imagine thousands of parked cars providing much needed power to the grid.
Furthermore, many of these vehicles are parked close to buildings and homes, where a significant portion of power is needed. This proximity reduces energy losses during transmission, which is often the case when power is transported over long distances.
EV power in action
So how would this work? For one, your EV will have to be connected to a smart charger. These units are not standalone, but integrated into buildings and homes and connected to the power outlet to assist with charging. These smart chargers can communicate with a utility, which then allows for remote monitoring of these devices. Through this remote monitoring, a utility can then draw additional power from the parked vehicle and feed it back into the grid.
Smart charging stations also provide layers of intelligence such as distributed energy resource management systems (DERMs), which provide the grid with the ability to monitor various energy resources such as EVs.
EVs and other sources of DERMs can then be processed by virtual power plants (VVPs), which will then aggregate and dispatch energy, and support demand response requirements. A VPP platform can treat multiple EVs as a single energy source, dynamically managing their discharging into the grid.
With the right technology and infrastructure, EVs can become an intelligent part of the grid, dynamically adjusting and balancing the energy supply. Importantly, they can feed excess power back into the grid when needed. This level of integration, and intelligence, can significantly contribute to the stability and efficiency of an energy system.
There is no doubt that EVs have the potential to be much more than just standalone vehicles; they can become smart grid assets, actively participating in demand management, while helping to address energy supply challenges.
Schneider Electric’s AutoGrid Flex is a powerful solution that can greatly assist with the integration of EVs. By leveraging advanced analytics and machine learning algorithms, AutoGrid Flex enables efficient management of EV charging, optimising energy usage, and minimising costs.
With its intelligent demand response capabilities, it can coordinate EV charging schedules to avoid peak demand periods, ensuring grid stability. AutoGrid Flex also empowers utilities to offer innovative pricing programmes, incentivising EV owners to charge during off-peak hours, thereby reducing strain on the grid and maximising renewable energy utilisation.
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