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

• Arabic: وحدة تزويد الطاقة
• Chinese:

  Cantonese: 電源／电源 (din⁶ jyun⁴)

  Hokkien: 電源／电源 (zh-min-nan) (tiān-goân)

  Mandarin: 電源／电源 (zh) (diànyuán)

• 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 electronic apparatus

• Arabic: تغذية طاقة
• Armenian: հոսանքի աղբյուր (hosankʻi aġbyur)
• Azerbaijani: kompüter soyutma sistemi
• Basque: elikatze-iturri
• Bengali: শক্তি সরবরাহ (śokti śorboraho)
• Catalan: font d'alimentació
• Chinese:

  Mandarin: 電源供應／电源供应 (diànyuán gōngyìng)

• Danish: strømforsyning c
• 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), блок пита́ния (ru) m (blok pitánija, literally “power supply unit”)
• 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), блок жи́влення m (blok žývlennja, literally “power supply unit”)
• 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.