et

eraldustrafo

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Terminological databases

EKI terminibaas Esterm

ID 726687 Last modified 14.08.2018
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Domain Electrical Engineering
safety isolating transformer preferred
  • ... kasutatakse elektritarvitite käsitsemisohutust tagavaks galvaaniliseks eraldamiseks toitevõrgust (eraldustrafo)
  • a small transformer used to supply circuits requiring special protective measures. The windings are arranged to minimize the voltage between any conductor which might become exposed and earth.
  • isolating transformer - a transformer inserted in a system to separate one section of the system from undesired influences of the other sections.
Good to know
  • FR: transformateur d’isolement [T60988]; transformateur de séparation [EUR] DE: Schutz-Trenntransformator [T60988] [EUR] FI: suojajännitemuuntaja [T60988]
safety isolating transformer preferred
Usage examples
  • Exposed metal parts of electrical machines or equipment which are not intended to be live but which are liable under fault conditions to become live shall be earthed unless the machines or equipment are: .1 supplied at a voltage not exceeding 50 V direct current or 50 V, root mean square, between conductors; auto-transformers shall not be used for the purpose of achieving this voltage; or .2 supplied at a voltage not exceeding 250 V by safety isolating transformers supplying only one consuming device; or .3 constructed in accordance with the principle of double insulation.

Metroloogia terminibaas

ID 579467 Last modified 25.09.2024
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Domain metrologymeasuring instrumentsmeasuring equipment - control equipment
eraldustrafo preferred
kaitseeraldustrafo
isoleeriv trafo
isolatsioonitrafo
hübriidtrafo variant
isolation transformer preferred
isolating transformer
separating transformer
  • trafo, mida kasutatakse elektrienergia ülekandmiseks vahelduvvoolu toiteallikast teatud seadmetele või seadmele, isoleerides ohutuse tagamiseks jõuallika toiteallikast
  • transformer used to transfer electrical power from a source of alternating current power to some equipment or device while isolating the powered device from the power source, usually for safety reasons
  • transformer used to transfer electrical power from a source of alternating current power to some equipment or device while isolating the powered device from the power source, usually for safety reasons or to reduce transients and harmonics
eraldustrafo preferred
Usage examples
  • Eraldustrafol on primaar- ja sekundaarmähised teineteisest eraldatud kahekordse või tugevdatud isolatsiooniga, et vähendada ohtu, mida võiks põhjustada maa ja pingestatud osiste või isolatsioonirikke korral pingestatud metallosiste juhuslik üheaegne puudutamine.
kaitseeraldustrafo
isoleeriv trafo
isolatsioonitrafo
hübriidtrafo variant
isolation transformer preferred
isolating transformer
separating transformer

Metroloogia terminibaas

ID 583279 Last modified 25.09.2024
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Domain metrologymeasuring equipment - control equipment
ristandtrafo preferred
hübriidtrafo
hybrid transformer preferred
  • trafosüsteem, mis koosneb ülijuhtivatest ja mittejuhtivatest poolidest/mähistest, mille ülijuhtivad mähised on tavaliselt väljaspool
  • diferentsiaaltrafo, mis koosneb mitme mähisega trafost
  • coil system composed of superconducting and non-superconducting coils with the superconducting coils usually on the outside
  • differential coupler comprising a transformer with several windings
  • type of directional coupler which is designed to be configured as a circuit having four ports that are conjugate in pairs, implemented using one or more transformers
ristandtrafo preferred
Usage examples
  • Ristandtrafo on hübriidelektritrafo üldisema kontseptsiooni erijuhtum.
hübriidtrafo
hybrid transformer preferred
Usage examples
  • A hybrid transformer is a particular case of the more general concept of a hybrid coupler.

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