What is Electrical machine?
[[File:ManitobaHydroPointeduBois Generator.jpg|thumb|Electrical generator]] [[File:Silniki by Zureks.jpg|thumb|Electrical motor]] [[File:Trafostation Alter Hellweg IMGP4722.jpg|thumb|Transformer]] An '''electrical machine''' is an [[electrical]] device that changes [[energy]] from one form to another, usually from [[mechanical energy]] to [[electrical energy]] or from electrical energy to mechanical energy. == Types == * An [[electrical generator]] changes mechanical energy to electrical energy. * An [[electrical motor]] changes electrical energy to mechanical energy. * A [[transformer]] changes changes the [[voltage]] level of an [[alternating current]]. [[Category:Electricity]] [[Category:Machines]] {{science-stub}}