Electrical substation
An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several substations between generating plant and consumer, and may be changed in voltage in several steps.
Electrical Substation Media
- Elements of a substationTemplate:Olist*
- Primary power lines' side*
- Secondary power lines' side*
A 50 Hz electrical substation in Melbourne, Australia, showing three of the five 220 kV/66 kV transformers, as well as high-voltage transformer fire barriers, each with a capacity of 150 MVA. This substation uses steel lattice structures to support strain bus wires and apparatus.
A distribution substation in Toronto, Canada, disguised as a house, complete with a driveway, front walk and a mown lawn and shrubs in the front yard. A warning notice can be clearly seen on the "front door". Disguises for substations are common in many cities.
In continuous operation since 1901, the Adélard-Godbout substation in Old Montreal is Canada's oldest substation. It has a facade in clay brick with gray stone ornaments to blend in to its downtown environment.