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IEC 60076-11-ed.2.0-RLV
Power transformers - Part 11: Dry-type transformers
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STANDARD published on 15.8.2018
The information about the standard:
Designation standards: IEC 60076-11-ed.2.0-RLV
Publication date standards: 15.8.2018
SKU: NS-1092411
The number of pages: 190
Approximate weight : 601 g (1.32 lbs)
Country: International technical standard
Category: Technical standards IEC
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Annotation of standard text IEC 60076-11-ed.2.0-RLV :
IEC 60076-11:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60076-11:2018 applies to dry-type power transformers (including auto-transformers) having values of highest voltage for equipment up to and including 72,5 kV and at least one winding operating at greater than 1,1 kV. This document does not apply to: - gas-filled dry-type transformers where the gas is not air; - single-phase transformers rated at less than 5 kVA; - polyphase transformers rated at less than 15 kVA; - instrument transformers; - starting transformers; - testing transformers; - traction transformers mounted on rolling stock; - flameproof and mining transformers; - welding transformers; - voltage regulating transformers; - small power transformers in which safety is a special consideration. Where IEC standards do not exist for the transformers mentioned above or for other special transformers, this document may be applicable as a whole or in parts. This second edition cancels and replaces the first edition published in 2004 and constitutes a technical revision. The main changes with regard to the previous edition are as follows: - Extension of the scope up to 72,5kV - Enclosure management in regards of the performance - Management of the dielectric and thermal features with altitude - New climatic classes for a better adaptation of customers’ need - Establishment of the relation between location and environmental classes - For fire behaviour classes, limitation at 1000kVA and process of test more robust - Introduction of Seismic class - Recommendations for amorphous transformers Keywords: dry-type transformers The contents of the corrigendum of March 2019 and the Interpretation sheet 1 of July 2020 have been included in this copy.
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