How large charging cable is required for electric vehicle charging pile of 7kw

As the energy supply device of electric vehicle, the charging performance of electric vehicle charging pile is related to the service life and charging time of battery pack. This is also one of the most concerned aspects of consumers before purchasing electric vehicles.

If the 7kw charging pile is used indoors, 2.5 square meters of BV wire is enough. If the three-phase current of 7KW is about 14A, the switch can be 25A. If it is single-phase, the current is about 35A, and the air switch should be 40A and above.

Achieving fast, efficient, safe and reasonable power supply for power batteries is the basic principle of electric vehicle charger design. In addition, the applicability of the charger to various power batteries should also be considered. The scheme of the charger in the ground charging station is composed of a rectifier that can convert the input AC into DC and a scheme power converter of the charger in the ground charging station that can adjust the DC power. By inserting the plug with wire into the matching socket on the electric vehicle, the DC power is input into the battery to charge it.

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