What are the different options to
charge an electric vehicle?
Charge at home
The most convenient, easiest and cheapest way to charge an electric vehicle is in our homes.
An automobile with an internal combustion engine, gasoline or diesel, involves going to the service stations, which means, moving to supply the vehicle. With the arrival of electric vehicles, it became possible to “supply” our “transportation” in our homes, as we all have electricity at home.
When charging an electric vehicle at home, a high current is required for several hours, in order to be able to charge quickly and safely, the ideal is the installation of a domestic charging station, which will be parametrized to your electrical installation.
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An electric vehicle to circulate needs energy, which is accumulated in batteries, we can consider three charging options:
This type of charging is carried out by chargers that provide alternating current (AC) for the electric car battery. However, the batteries of an electric vehicle store direct current (DC), which implies the need to use the vehicle’s internal charger to transform AC current in DC.
The maximum charging power is always limited to the power of the car’s internal charger. If we use as an example a vehicle whose maximum power of the internal charger is 7.4kW, this means that regardless of the power of the station 7.4kW, 11kW or 22kW, the maximum power that the car allows will always be limited to 7.4kW.
This type of charging is carried out by chargers that provide direct current (DC) to the electric car battery. In this case, there is no need to use the car’s internal charger and the maximum charging power is limited by the battery voltage (Volts).
This type of charging is also called fast charging because it provides more power to the battery, reducing the charging time.
Vehicle to Grid (V2G) technology introduces the concept of a two-way power flow by allowing the charging and discharging of the electric vehicle battery. The V2G (vehicle to grid) allows an electric car to charge its battery or discharge it to provide power to the electric grid.