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Slot insulation
Slot insulation is the common name for shielding material used for the rotor inside a power generator. The slot insulation process for electric motors provides a barrier between the copper wirings and the steel lamination for all stator, armature and rotor products.〔http://www.stator-systems.com/index.php?Itemid=63&category_id=1&option=com_virtuemart&page=shop.browse.〕 This shielding material separates the rotor's electrically conductive winding from its body.〔Payne, B. (2010) ''(The Unsung Hero of Power Generation? )'' The Power Generation Blog.〕
==Temperature ratings==
Due to their operating environment, slot insulation must be capable of withstanding high temperatures. In the 1970s, slot insulation materials often had a Class F temperature rating (an operational range up to 155 °C).〔Gibney, J. ''(GE Generators, An Overview. )''〕 Today, there are commercially available slot insulation materials with a Class H temperature rating (an operational range up to 180 °C)〔PCT. ''(Generator Rotor Slot Insulation. )''〕 Its composite of laminate materials, consisting of epoxy, aramid, and dielectric film, create its insulating properties.〔Power and Composite Structures.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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