Portable charging of electric vehicle charging station

① Villa
With three-phase four-wire meter and independent parking garage, the existing residential power supply facilities can be used to provide portable charging power by placing a 10mm2 or 16mm2 line from the residential distribution box to the special socket in the garage.
② General residence
There is a fixed centralized parking garage. Generally, underground parking garage (charging safety considerations) is required. The original power supply supporting facilities of the community can be used for reconstruction. It must be considered according to the existing load capacity of the community, including the load of valley power. The specific scheme shall be determined according to the power supply facilities, scheme and building environment of the community.