What is power transmission substation, an answer from a China transformer factory

потужність передача substation is a box влада equipment that integrates electrical transformers and high and low voltage distribution devices into one or several sealed, anti-corrosive outdoor box bodies in an electrical complete завод. Because of its compact structure, neat appearance, convenient installation and easy maintenance, it is used in the construction of railway, factory and city. 

What is power transmission substation, an answer from a China transformer factory-SPL- power transformer, distribution transformer, oil immersed transformer, dry type transformer, cast coil transformer, ground mounted transformer, resin insulated transformer, oil cooled transformer, substation transformer, switchgear