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How to use the electric car charging pile? How to use charging piles and steps
Time:2021-10-10Click volume:

Charging piles are divided into two types: DC charging piles and AC charging piles. Both of these are power supply devices for conductive charging of electric vehicles. The DC charging pile inputs AC power, and the output is DC power, which can directly charge the battery of an electric vehicle with a fast charging rate. The input of the AC charging pile is alternating current, and the output is also alternating current. It is connected to the vehicle-mounted charger of the electric vehicle, and the battery is charged through the vehicle-mounted charger. It is limited by the power limit of the vehicle-mounted charger and the charging rate is slow.

Basically these two charging methods. Conductive charging also has another charging method, which is called the control and protection interface box. It is suitable for electric vehicle charging mode 2 in the standard, and its shape is similar to our common ordinary electric bicycle chargers. , Just add some protection and control functions.

The above three are all power supply equipment for charging electric vehicles. It's just that we usually only see two DC charging piles and AC charging piles. The other is rare, limited by its own characteristics, poor safety, and low power.

The way to measure the charging pile is to add an electric energy meter on the AC side to measure the electric energy, and this meter calculates the energy charged by the user. Both the DC pile and the AC pile are equipped with an electric energy meter on the input side.

The method of testing charging piles is generally conducted in accordance with the items specified in the industry standard, national standard, and state grid enterprise standard. There are many standard items, so I won't list them all here. You can go to Baidu for details. They are roughly divided into four aspects: electrical safety performance, interoperability performance, protocol consistency testing, and EMC testing.