power supply

power supply

English

Noun

power supply (plural power supplies)

1. Used other than figuratively or idiomatically: see power,‎ supply.

   The utility will invest in power plants and transmission lines to ensure a stable power supply.

   • 1961 December, “Planning the London Midland main-line electrification”, in Trains Illustrated, page 722:

     The track-sectioning cabins house not only switchgear for the traction current, but also transformers to provide power supplies to the signalling equipment.

2. A source of power such as the mains or a generator.
3. That part of a piece of electronic apparatus that provides appropriate voltages for the rest of the electronics from the connected AC source.

Hyponyms

• power adaptor / power adapter
• power brick
• power supply unit / PSU / P.S.U. / P. S. U.
• wall wart

Translations

a source of power such as a generator

Chinese: Cantonese: 電源, 电源 (din6 jyun4) Mandarin: 電源／电源 (zh) (diànyuán) Min Nan: 電源 (zh-min-nan), 电源 (tiān-goân) Danish: strømkilde c Dutch: stroomtoevoer (nl) m French: alimentation électrique f German: Stromzufuhr f Hungarian: áramforrás (hu) Italian: generatore (it) m, alternatore (it) m, gruppo elettrogeno (it) m, pila (it) f, batteria (it) f Japanese: 電源 (ja) (dengen) Maori: puna hiko, pūtake hiko Norwegian: Bokmål: strømkilde m, strømkjelde m or f Nynorsk: straumkjelde f Swedish: strömkälla (sv) c

part of apparatus

Arabic: تغذية طاقة‎ Armenian: հոսանքի աղբյուր (hosankʿi ałbyur) Azerbaijani: kompüter soyutma sistemi Basque: elikatze-iturri Bengali: শক্তি সরবরাহ (śôkti sôrôbôrahô) Catalan: font d'alimentació Chinese: Mandarin: 電源供應／电源供应 (diànyuán gōngyìng) Danish: strømforsyning Dutch: voeding (nl) f Esperanto: please add this translation if you can Estonian: toiteplokk Finnish: teholähde, virtalähde (fi) (computing) French: alimentation électrique Galician: fonte de alimentación Georgian: დენის წყარო (denis c̣q̇aro), ელკვების წყარო (elḳvebis c̣q̇aro) German: Netzteil (de) n Greek: τροφοδοτικό (el) n (trofodotikó) Hebrew: סַפַּק כּוֹחַ‎ m (sapák kóakh) Hindi: विद्युत प्रदायी (vidyut pradāyī) Hungarian: tápegység (hu) Indonesian: pencatu daya Italian: alimentazione elettrica Japanese: 電源回路 (dengen kairo) Khmer: ការផ្គត់ផ្គង់អគ្គីសនី (kaa phkŭət phkŭəng ʼakkisaʼnii) Korean: 전원 공급 장치 (jeonwon gonggeup jangchi) Latvian: please add this translation if you can Lithuanian: please add this translation if you can Malay: bekalan kuasa (ms) Malayalam: പവർ സപ്ലൈ (pavaṟ saplai) Maori: punahiko Mongolian: please add this translation if you can Norwegian: strømforsyning Bokmål: strømtilførsel (no) m Nynorsk: energiforsyningsmodul Persian: منبع تغذیه‎ (manba'-e tağziye) Polish: zasilacz (pl) m Portuguese: fonte de alimentação Romanian: sursă de energie f, sursă de putere f Russian: исто́чник электропита́ния m (istóčnik elektropitánija) Serbo-Croatian: napajanje (sh), napojna jedinica, јединица напајања Slovak: napájací zdroj Spanish: fuente de alimentación Swedish: kraftaggregat n, nätaggregat n, nätdel c Thai: แหล่งจ่ายไฟ (lɛ̀ng-jàai-fai) Turkish: güç kaynağı (tr) Ukrainian: джерело живлення n (džerelo žyvlennja) Urdu: طاقت رسانہ‎ (tāqat rasānā) Vietnamese: please add this translation if you can

See also

• charger
• low-power mode
• power unit

References

• OED2
• “power supply”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.