autotransformer

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autotransformer

[¦ȯd·ō·tranz¦fȯr·mər]
(electricity)
A power transformer having one continuous winding that is tapped; part of the winding serves as the primary and all of it serves as the secondary, or vice versa; small autotransformers are used to start motors.
References in periodicals archive ?
Main drive is powered through autotransformers and that gives possibility to control and change per phase voltages.
Apart of typical standard components, the scope of work also includes civil works & erection of three single phase 167 MVA autotransformers plus one spare unit including their accessories & 11 KV bus ducts (supplied under package B).
Autotransformers for telephone switchboards PBX equipment, manual or automatic
Contract notice: 330/110/10 kv upgrade of the capacity of vilnius tp (new 300 mva autotransformers with mounting).
Installation and assembly of portals of the outdoor switchgear and autotransformers continues.
Scope of work includes civil and erection works for three single phase 167 MVA autotransformers plus one spare including all their accessories & 11 kV bus ducts (supplied by Package B).
In additional analysis also is included assumption that transformers and autotransformers are without loss, so the schemes and general relations are used in that sense.
Contract award notice:The subject of the contract is the reconstruction of the R400 kV substation, including the construction of a new BSP, protection troughs, transformer stations T401, T402, bases under technology, cable routes, supply and installation of technology, including delivery and installation of 2 400/121/33 kV autotransformers, 250 MVA with complete Accessories, tests and all work related to putting the work into operation and related engineering and design activities.
Alexey Borodin assumed the cost might be grown over the proposal of the National Electric Grid of Kyrgyzstan to provide additional equipment and 4 autotransformers on Datka, Kemin and Ala-Archa substation.
Request of offers from international eligible bidders regarding Package (B) of three single phase autotransformers of 167 MVA capacity each for El Tebbin 500/ 220/ 11 kV GIS substation extension project under funding from EIB - European Investment Bank.