An electrical installation containing power conversion (and sometimes generation) equipment, such as transformers, compensators, and circuit breakers.
  A facility used for switching and/or changing or regulating the voltage of electricity. Service equipment, line transformer installations, or minor distribution or transmission equipment are not classified as substations.
  Facility equipment that switches, changes, or regulates electric voltage.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
  A facility that steps up or steps down the voltage in utility power lines. Voltage is stepped up where power is sent through long-distance transmission lines. it is stepped down where the power is to enter local distribution lines.
  California Energy Comission. Dictionary of Energy Terms

Energy terms . 2014.

Look at other dictionaries:

  • Substation — can refer to:*Electrical substation *A police substation (a mini police station with limited services) *The Substation, a Singaporean contemporary arts centre …   Wikipedia

  • substation — (n.) 1881, in the policing sense, from SUB (Cf. sub ) + STATION (Cf. station) (n.). Power grid sense is attested from 1901 …   Etymology dictionary

  • substation — ► NOUN 1) a set of equipment reducing the high voltage of electrical power transmission to that suitable for supply to consumers. 2) a subordinate police station or fire station …   English terms dictionary

  • substation — [sub′stā΄shən] n. a lesser station or a division of a station; specif., a small post office station, as in a store or at a philatelic convention …   English World dictionary

  • substation — UK [ˈsʌbˌsteɪʃ(ə)n] / US noun [countable] Word forms substation : singular substation plural substations a place that electricity passes through on its way from where it is produced to where it is used …   English dictionary

  • substation — noun Substation is used after these nouns: ↑electricity …   Collocations dictionary

  • substation — [[t]sʌ̱bsteɪʃ(ə)n[/t]] substations also sub station N COUNT A substation is a place where high voltage electricity from power plants is converted to lower voltage electricity for homes or factories …   English dictionary

  • substation — pastotė statusas T sritis automatika atitikmenys: angl. substation vok. Station, f; Unterstation, f; Unterwerk, n rus. подстанция, f pranc. central satellite, m; poste, m; sous station, f …   Automatikos terminų žodynas

  • substation — noun Date: 1881 a subordinate or subsidiary station: as a. a branch post office b. a subsidiary station in which electric current is transformed c. a police station serving a particular area …   New Collegiate Dictionary

  • substation — /sub stay sheuhn/, n. 1. a branch of a main post office. 2. an auxiliary power station where electrical current is converted, as from AC to DC, voltage is stepped up or down, etc. [1885 90; SUB + STATION] * * * …   Universalium

  • substation — noun a) A site where electricity supplied by long distance (high voltage) transmission lines is transformed and/or regulated for local (low voltage) distribution. b) A satellite police station serving one neighborhood or part of a larger… …   Wiktionary

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