Document Center is acquired by Nimonik

IEC 60317 27 2013 specifies the requirements of paper tape covered rectangular copper winding wires This covering consists of two or more layers of paper tape all in the same direction and is primarily intended for winding coils for oil immersed transformers The range of nominal conductor dimensions covered by this standard is br width min 2 0 mm max 16 0 mm br thickness min 0 80 mm max 5 60 mm The paper tapes covered by this standard are restricted to those specified in IEC 60554 1 having thicknesses in the range 25 mu m to 125 mu m inclusive This fourth edition cancels and replaces the third edition published in 1998 Amendment 1 1999 This edition constitutes a technical revision This edition includes the following significant technical changes with respect to the previous edition br new subclause containing general notes on winding wire formerly a part of the scope br revision to references to IEC 60317 0 2 2013 to clarify that their application is normative br new 3 3 Appearance br modification to 4 4 Increase in dimensions due to paper tape covering br deletion of Clause 22 High temperature failure br new Clause 23 Pin hole test Keywords requirements of paper tape covered rectangular copper winding wires winding coils for oil immersed transformers