autotransformer

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Related to Auto-transformer: Variac

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The key to the splitter's performance is in the design of the auto-transformer. It serves to transform the input impedance from 50 [ohms] down to the input impedance of the isolation or splitting transformer.
Following the meeting, the sides agreed on delivery and commissioning of two 250 MVA auto-transformers at Bishkek combined heat and power plant and commissioning of 500 kV Kemin substation ahead of the schedule on 15 November 2014.
Foster Transformer introduced a new line of Auto-Transformers or autoformers that use a single non-isolated winding to step up or step down the .available line voltage to match the requirements of the load.
Amgis also offers a assortment of other toroidal products, including audio transformers, auto-transformers, medical isolation transformers, 3-phase transformers, and high efficiency transformers.
The contract covers ten 500 MVA 765 kV auto-transformers and ten 80 MVA 765 kv shunt reactors for the Seoni substation in the state of Madhya Pradesh.
It also covers the construction of a new 500kV/220kV station in Charrua, two sub-stations in Ancoa and Alto Jahuel, and the supply of auto-transformers, as well as installation, trials and entering service.
Extensive range of UL/CSA/TUV/CE certified/approved standard transformers includes our Commercial & Medical Grade Isolation Transformers, our enclosed ISO-BOX line, Auto-transformers, Rectifier Transformers, Current Sensors and Filter Chokes.
Extensive range of UL/CSA/TUV/CE certified/approved standard transformers includes our commercial and medical grade isolation transformers, our enclosed ISO-BOX line, auto-transformers, rectifier transformers, current sensors and filter chokes.