Description
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.A 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
Product Details
- Edition:
- 2.0
- Published:
- 08/15/2018
- Number of Pages:
- 124
- File Size:
- 3 files , 1.3 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
