Cable selection distinction between single-phase charging pile and three-phase charging pile

The charging pile is a very common energy supply equipment, but there are still many people who do not know how many square meters of wires are required to install the charging pile. Please briefly introduce the following applicable specifications of charging pile cables for electric vehicles.

As for the charging pile cable, the thickness of the harness can not be unified. It is mainly determined by the power storage capacity of the charging pile and the voltage borne by the harness when the power flows. In general, the wire of the charging pile is much thicker than other wires. So let's install the charging pile and select the appropriate charging cable in the school today.

First of all, the charging pile can be divided into single-phase and three-phase. Whether it is two-phase or single-phase, the AC incoming current should be converted.

Secondly, the selection of charging cable can refer to relevant manuals or regulations. For example, the single-phase charging pile is generally 7KW (AC charging pile), I = P / u = 7000 / 220 = 32a, and 4mm2 copper core cable should be used. Three phase charging pile (DC pile) 15kw current 23a cable 4mm2; 30kW current 46a cable 10 mm2; 60kW current 92a cable 25 mm2; 90kw current 120a cable 35mm2. All charging piles shall have zero line and ground line. Therefore, three core cables are required for single-phase cables and five core cables are required for three-phase cables.

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