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EV On-board Charger is used to charge traction batteries of electric vehicles or hybrid electric vehicles

Overview of Electric Vehicle EV On-board Charger
EV On-board Charger (OBC) is used to charge traction batteries of electric vehicles (EV) or hybrid electric vehicles (HEV). Safety, reliability and comfort are all important when choosing a vehicle, while plug-in hybrid (PHEV) and pure electric (BEV) vehicles have another key factor to consider; Time is taken to charge. It takes only a few minutes to recharge an ICE, while it takes much longer to recharge the power batteries for plug-in hybrid vehicles (PHEVs) and pure electric vehicles (BEVs).
Several types of electricity are now available. Hybrid cars have a drivetrain that can be powered by fossil fuels as well as an electric drivetrain that can be combined in different ways. Some types, such as the mild hybrid, have a smaller battery, which is charged by a combination of ICE and a generator. As the vehicle slows down, regenerative braking provides a certain amount of energy to extend its range, while the engine works in reverse as a generator. Plug-in hybrids and pure electric vehicles can plug into the power grid and recharge their batteries while at rest.

The benefits of EV on-board charger
The main benefit of EV on-board charger is that it uses off-the-shelf AC power, and through a single lead, the car can be plugged into any of the billions of outlets installed in each building.
Level 1 AC charging uses single-phase power, which is about 1.9kW for 120V power supply and 3.7kW for 220V-240V power supply. This is the most common form of charging in private homes.
However, businesses typically use three-phase power for charging, which can increase the available power to about 20kW, which is much faster than first-stage charging.
AC charging is the most flexible, as there are charging stations that can provide the full range of charging needs depending on the user's lifestyle and vehicle usage. If the vehicle is only used for daytime commuting, charging at night is very convenient. AC charging is not ideal for extended charging because it takes too long to charge and requires more distance than the vehicle can travel.
EV on-board charger requirements
The primary role of an EV on-board charger (OBC) is to manage the current flowing from the grid to the battery. This means that the OBC must conform to the grid at the location where it will be used. The main requirement is not to inject reactive power into the grid, which is achieved through the power factor (PF). The on-board charger must also be suitable for the type of charger available, which means it must support both single-phase and three-phase operations.
It is also required to provide isolation from the power supply and the maximum current the grid can provide, which must be considered in the design. As with all power systems, there is a potential for electromagnetic interference and therefore all relevant EMC standards must be complied with. At this power level, the ability to communicate with the grid is also necessary.
EV On-board charger supplier
Grasen EV on-board charger is mainly used for hybrid vehicles, pure electric vehicles, electric buses, electric logistics vehicles and other new energy vehicles, and is suitable for charging lithium iron phosphate, lithium manganese acid, lead acid and other vehicle power batteries. Start your EV charging station businesses with Grasen.
For a no-obligation quote latest price of EV On-board charger or technical support, please contact us and fill in your details, and we’ll get back to you within 24 hours.
 

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