Mobile box-type substation is a kind of high-voltage switchgear, distribution transformer and low-voltage power distribution device, which are prefabricated indoor and outdoor compact power distribution equipment in a factory according to a certain wiring scheme. The functions are organically combined and installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft, heat-insulating, fully-enclosed, movable steel structure box, especially suitable for urban network construction and renovation, and is the second largest civil substation. A new kind of substation that has risen since then. Box-type substations are suitable for mines, factories, oil and gas fields and wind power stations.