Dictionary

substation en · NOUN

Pronunciation

• /sʌbˈsteɪʃən/
• (Southern-England) audio

Etymology

Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English station English substation From sub- + station.

Meanings

1. Any subordinate station. ▸ A site where electricity supplied by long-distance (high-voltage) transmission lines is transformed or regulated for local (low-voltage) distribution.
   • The Project also includes construction of a new MVEC substation (the Laketown Substation). […] Great River Energy owns and operates more than 5,100 miles of transmission line (69-kV or higher) and owns more than 100 substations in Minnesota, North Dakota, South Dakota, and Wisconsin. 2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy, page 15:
   • "We've got power upgrades at substations dotted all the way along the Piccadilly line. 2026 July 22, Tom Edwards, “New Trains: Testing times”, in RAIL, number 1066, page 30:
   • Meanwhile, an upgraded power supply at Sundon substation, between Leagrave and Harlington, will be commissioned concurrent with the overhead line connection and will be sufficient to power the initial electrified Corby services. 2019 October 14, Philip Sherratt, “Midland Main Line upgrade presses on”, in Modern Railways, page 62:
   • The utility now wants the network to be undergrounded in the urban areas, which would mean substations with 33 kV distribution swtichgear. 2006, Janes Northcote-Green, Robert Wilson, “Design, Construction and Operation of Distribution Systems, MV Networks”, in Control and Automation of Electrical Power Distribution Systems, CRC Press, →ISBN, page 110:
2. Any subordinate station. ▸ A satellite police station serving one neighborhood or part of a larger jurisdiction.
3. Any subordinate station. ▸ A branch post office.

Forms

Translations (35)

uk підста́нція (electrical substation) · cmn 變電所 /变电所 (electrical substation) · da transformerstation (electrical substation) · lv apakšstacija (electrical substation) · ko 변전소 (electrical substation) · es subestación (electrical substation) · fi ala-asema (electrical substation) · pt subestação (electrical substation) · ru подстанция (electrical substation) · fr poste de transformation (electrical substation) · ja 変電所 (electrical substation) · cs rozvodna (electrical substation) · yue 變電站 /变电站 (electrical substation) · cy isorsaf (electrical substation) · sv understation (electrical substation) · de Unterwerk (electrical substation) · gd ionad dealain (electrical substation) · vi ga xép (electrical substation) · hy ենթակայան (electrical substation) · pt subdelegacia (satellite police station) · hi उपकेंद्र (electrical substation) · de Umspannwerk (electrical substation) · id gardu induk (electrical substation) · fi poliisiasema (satellite police station) · ms pencawang (electrical substation) · pl podstacja (electrical substation) · da transformatorstation (electrical substation) · cmn 變電站 /变电站 (electrical substation) · az yarımstansiya (electrical substation) · ka ქვესადგური (electrical substation) · cy isorsaf (satellite police station) · nl onderstation (electrical substation) · fr poste (electrical substation) · et alajaam (electrical substation) · vi trạm biến áp (electrical substation)