Box-type substations, that is, high-voltage/low-voltage pre-packaged box-type substations, are usually referred to as box-type substations or box-type substations, and some people even call them box-type transformers. It 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. , Installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fireproof, anti-theft, heat-insulating, fully enclosed, movable steel structure box. It is generally a complete set of power distribution equipment composed of high-voltage switchgear, power transformers, low-voltage switchgear, energy metering equipment, reactive power compensation equipment, auxiliary equipment and connecting parts.
Box-type substations can be installed above the ground, or partially or fully installed below the ground. It is generally used in urban high-rise buildings, urban and rural buildings, residential areas, schools, factories and mines and other places where electricity is used. It is especially suitable for urban network construction and reconstruction, and it is a brand-new substation emerging after civil substations.