IEC 60076-14:2009(E) provides specification, design, testing and loading information for use by both the manufacturer and user of liquid-immersed power transformers employing either high-temperature insulation or combinations of high-temperature and conventional insulation. Is applicable to:- power transformers designed in accordance with IEC 60076-1,- convertor transformers designed to IEC 61378 series,- arc furnace transformers,- and covers the use of various liquid and solid insulation combinations. This new edition includes the following significant technical changes with respect to the previous edition:- enhancement of insulation system descriptions;- clarification of temperature rise limits- and the addition of overload temperature limits.
Provides design, testing and loading information for use by both the manufacturer and user of liquid-immersed power transformers using either high-temperature insulation or combinations of high-temperature and conventional insulation.
IEC 60076-14:2013 applies to liquid-immersed power transformers employing either high-temperature insulation or combinations of high-temperature and conventional insulation, operating at temperatures above conventional limits. It is applicable to: - power transformers in accordance with IEC 60076-1; - convertor transformers according to IEC 61378 series; - transformers for wind turbine applications in accordance with IEC 60076-16; - arc furnace transformers; - reactors in accordance with IEC 60076-6. This part of IEC 60076 may be applicable as a reference for the use of high-temperature insulation materials in other types of transformers and reactors. This first edition of IEC 60076-14 cancels and replaces the second edition of the Technical Specification IEC/TS 60076-14 published in 2009. It constitutes a technical revision.
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