The function and principle of electric vehicle charging cable

China [CN]

The electric vehicle charging cable is the cable connecting the electric vehicle and the charging pile. Its function is to transmit the electric energy of the charging pile to the battery of the electric vehicle for charging. The charging cable includes a plug and a cable. The plug is connected to the charging pile, and the cable is connected to the charging pile and the electric vehicle.

The principle of the charging cable is to transmit electrical energy to the electric vehicle for charging through a DC or AC power source. The specific principles are as follows:

DC fast charging: DC fast charging refers to the transmission of electrical energy in the form of DC to the electric vehicle battery for fast charging, usually using standards such as CHAdeMO, CCS, and Tesla Supercharger. The DC fast charging cable contains 5 cables, which are positive and negative cables, communication cables and grounding cables.

AC slow charging: AC slow charging refers to the transmission of electrical energy in the form of AC to the electric vehicle battery for charging, usually using AC Level 1 and AC Level 2 standards. The AC slow charging cable contains 3 cables, two current cables and one ground cable.

Regardless of DC fast charging or AC charging, the charging cable needs to undergo strict testing and certification to ensure its safety and reliability. At the same time, the charging cable also needs to have protection, wear resistance, waterproof and other characteristics to adapt to different charging environments and climatic conditions.

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