One of the disadvantages of box-type substations

According to Baidu Education, one of the disadvantages of box-type substation is that the number of outgoing circuits is small, due to the size and manufacturing cost limitations of the number of outgoing circuits is small, and the expansion margin of outgoing intervals is small.

Box-type substation, also known as pre-assembled substation or pre-assembled substation. Is a high-voltage switchgear, distribution transformers and low-voltage distribution devices, according to a certain wiring scheme arranged into one factory prefabricated indoor, outdoor compact power distribution equipment, transformer step-down, low-voltage power distribution and other functions organically combined together.