The role and coordination principle of electric vehicle charging cables in charging piles

China [CN]

The role of electric vehicle charging cables in charging piles is to connect electric vehicles and charging, transmit energy and signals, and realize the charging of electric vehicles.

The coordination principle of electric vehicle charging cables and charging piles includes the following aspects:

Interface standardization: In order to ensure that electric vehicles of different brands can use the same charging pile for charging, the International Organization for Standardization and governments of various countries have issued a series of specifications to unify the shape, size and electrical characteristics of charging interfaces, such as the Mennekes standard in Europe, the SAE J1772 standard in the United States, and the GB/T standard in China.

Safety protection: Both the charging cable center and the on-board charger center have protection measures, including overload protection, short circuit protection, over-temperature protection, leakage protection, etc. At the same time, during the plugging and unplugging process, the charging cable and charging pile will automatically cut off the power to ensure user safety.

Charging mode: The charging mode includes three types: DC fast charging, AC fast charging and AC slow charging. According to different charging modes, the electrical characteristics between the charging pile and the electric vehicle are different, and corresponding matching equipment is required to realize charging.

Through the above cooperation principle, electric vehicle charging cables can achieve safe, efficient and standardized charging services in charging piles, which facilitates the promotion and popularization of electric vehicles.

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