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As the country continues to introduce policies to encourage the development of new energy vehicles, the market for new energy electric vehicles has gradually increased. The vehicle charging device is the main charging device of the electric vehicle, which is similar to the presence of a fuel dispenser in a gas station. Each car charging device is equipped with a charging plug, and is based on different voltage levels of the automobile for various types of electric vehicles. Charge it. The charging methods of cost-effective car charging equipment vary depending on the type of car. The following will briefly introduce three main charging methods for car charging equipment.

First, ordinary charging. The ordinary charging of the vehicle charging equipment is also the way of slow charging of the AC power. It is fixedly installed outside the electric vehicle and provides AC power for the on-board charger of the electric vehicle. The AC charging equipment only provides power output, and there is no charging function, so it is often necessary to connect at the same time. The on-board charger performs the combined charging. This type of vehicle charging device actually controls the power supply.

Second, fast charge. The quick charging of the vehicle charging equipment belongs to DC charging. Its equipment is fixedly installed outside the vehicle and is directly connected to the AC grid. The input voltage of the charging equipment adopts a three-phase four-wire form, and the output frequency is adjustable. Adjustment can be directly for the car directly into the power supply can adjust the voltage and current range to achieve fast full charge requirements.

Third, wireless charging. Wireless charging is based on wireless energy transmission technology. It is mainly divided into two types: inductive and resonant charging. However, because this technology is still in the development stage, the vehicle charging equipment has not been able to control this charging technology well. The wireless charging method is easy to use, has a high degree of security, reduces manual operations, and improves interconnection with the grid, which facilitates future interconnection requirements with the grid.

In summary, the main input methods for electric energy for electric vehicles are the above-mentioned three forms, and the vehicle charging equipment corresponds to different internal structures and charging principles for three different charging methods. When a user purchases an electric car, he must not only carefully understand the charging mode that suits his own electric car, but also select a good quality car charging device to provide a constant source of power for the electric car.