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- Autotransformer abstract "An autotransformer (sometimes called autostep down transformer) is an electrical transformer with only one winding. The "auto" (Greek for "self") prefix refers to the single coil acting on itself and not to any kind of automatic mechanism. In an autotransformer, portions of the same winding act as both the primary and secondary sides of the transformer. In contrast, an ordinary transformer has separate primary and secondary windings which are not connected.The winding has at least three taps where electrical connections are made. Since part of the winding does "double duty", autotransformers have the advantages of often being smaller, lighter, and cheaper than typical dual-winding transformers, but the disadvantage of not providing electrical isolation. Other advantages of autotransformers include lower leakage reactance, lower losses, lower excitation current, and increased KVA rating for a given size and mass.Autotransformers are often used to step up or step down voltages in the 110-115-120 V range and voltages in the 220-230-240 V range - for example, providing 110 V or 120 V (with taps) from 230 V input, allowing equipment designed for 100 or 120 V to be used with a 230 V supply. This allows US electrical equipment to be fed from the higher European voltage. Autotransformers can also be used to supply European 230 V appliances from a 100 or 120 V supply in countries outside Europe. In all cases the supply and the autotransformer must be correctly rated to supply the required power.".
- Autotransformer thumbnail Tapped_autotransformer.svg?width=300.
- Autotransformer wikiPageID "1080101".
- Autotransformer wikiPageLength "13581".
- Autotransformer wikiPageOutDegree "49".
- Autotransformer wikiPageRevisionID "676642885".
- Autotransformer wikiPageWikiLink Alternating_current.
- Autotransformer wikiPageWikiLink Automation.
- Autotransformer wikiPageWikiLink Balanced_line.
- Autotransformer wikiPageWikiLink Balun.
- Autotransformer wikiPageWikiLink Brush_(electric).
- Autotransformer wikiPageWikiLink Category:Transformers_(electrical).
- Autotransformer wikiPageWikiLink Dimmer.
- Autotransformer wikiPageWikiLink Direct_current.
- Autotransformer wikiPageWikiLink Donald_G._Fink.
- Autotransformer wikiPageWikiLink Earthing_system.
- Autotransformer wikiPageWikiLink Electrical_load.
- Autotransformer wikiPageWikiLink Electromagnetic_coil.
- Autotransformer wikiPageWikiLink Electromagnetic_interference.
- Autotransformer wikiPageWikiLink Electromagnetism.
- Autotransformer wikiPageWikiLink External_electric_load.
- Autotransformer wikiPageWikiLink Faradays_law_of_induction.
- Autotransformer wikiPageWikiLink Galvanic_isolation.
- Autotransformer wikiPageWikiLink General_Radio.
- Autotransformer wikiPageWikiLink Ground_and_neutral.
- Autotransformer wikiPageWikiLink Harmonics_(electrical_power).
- Autotransformer wikiPageWikiLink Ignition_coil.
- Autotransformer wikiPageWikiLink Impedance_matching.
- Autotransformer wikiPageWikiLink Inductor.
- Autotransformer wikiPageWikiLink Leakage_inductance.
- Autotransformer wikiPageWikiLink Magnetic_field.
- Autotransformer wikiPageWikiLink Neutral_wire.
- Autotransformer wikiPageWikiLink Power_transmission.
- Autotransformer wikiPageWikiLink Primary_winding.
- Autotransformer wikiPageWikiLink Residual-current_device.
- Autotransformer wikiPageWikiLink Secondary_winding.
- Autotransformer wikiPageWikiLink Super_Grid.
- Autotransformer wikiPageWikiLink Super_grid.
- Autotransformer wikiPageWikiLink Tap_(transformer).
- Autotransformer wikiPageWikiLink Three-phase.
- Autotransformer wikiPageWikiLink Three_phase.
- Autotransformer wikiPageWikiLink Thyristor.
- Autotransformer wikiPageWikiLink Transformer.
- Autotransformer wikiPageWikiLink Unbalanced_line.
- Autotransformer wikiPageWikiLink Voltage.
- Autotransformer wikiPageWikiLink Voltage_drop.
- Autotransformer wikiPageWikiLink Voltage_regulator.
- Autotransformer wikiPageWikiLink Voltage_source.
- Autotransformer wikiPageWikiLink Wiktionary:auto-.
- Autotransformer wikiPageWikiLink Zigzag_transformer.
- Autotransformer wikiPageWikiLink File:Tapped_autotransformer.svg.
- Autotransformer wikiPageWikiLink File:Variable_Transformer_01.jpg.
- Autotransformer wikiPageWikiLink File:Variable_Transformer_MFrey_001.jpg.
- Autotransformer wikiPageWikiLinkText "Autotransformer".
- Autotransformer wikiPageWikiLinkText "Autotransformer#Variable autotransformers".
- Autotransformer wikiPageWikiLinkText "Autotransformer#Variable_autotransformers".
- Autotransformer wikiPageWikiLinkText "autoformers".
- Autotransformer wikiPageWikiLinkText "autotransformer".
- Autotransformer wikiPageWikiLinkText "variac".
- Autotransformer hasPhotoCollection Autotransformer.
- Autotransformer wikiPageUsesTemplate Template:Citation_needed.
- Autotransformer wikiPageUsesTemplate Template:Cite_book.
- Autotransformer wikiPageUsesTemplate Template:Main.
- Autotransformer wikiPageUsesTemplate Template:Reflist.
- Autotransformer wikiPageUsesTemplate Template:Sfn.
- Autotransformer subject Category:Transformers_(electrical).
- Autotransformer hypernym Transformer.
- Autotransformer type Component.
- Autotransformer comment "An autotransformer (sometimes called autostep down transformer) is an electrical transformer with only one winding. The "auto" (Greek for "self") prefix refers to the single coil acting on itself and not to any kind of automatic mechanism. In an autotransformer, portions of the same winding act as both the primary and secondary sides of the transformer.".
- Autotransformer label "Autotransformer".
- Autotransformer sameAs محول_ذاتي.
- Autotransformer sameAs Аўтатрансфарматар.
- Autotransformer sameAs Автотрансформатор.
- Autotransformer sameAs Autotransformátor.
- Autotransformer sameAs Spartransformator.
- Autotransformer sameAs Autotransformador.
- Autotransformer sameAs Autotrafo.
- Autotransformer sameAs اتوترانسفورماتور.
- Autotransformer sameAs Autotransformateur.
- Autotransformer sameAs आटोट्रान्सफार्मर.
- Autotransformer sameAs Autotrasformatore.
- Autotransformer sameAs Автотрансформатор.
- Autotransformer sameAs Автотрансформатор.
- Autotransformer sameAs Автотрансформатор.
- Autotransformer sameAs Autotransformator.
- Autotransformer sameAs Autotransformator.
- Autotransformer sameAs m.0447xd.
- Autotransformer sameAs Автотрансформатор.
- Autotransformer sameAs Автотрансформатор.
- Autotransformer sameAs Q565668.
- Autotransformer sameAs Q565668.
- Autotransformer wasDerivedFrom Autotransformer?oldid=676642885.
- Autotransformer depiction Tapped_autotransformer.svg.
- Autotransformer isPrimaryTopicOf Autotransformer.