I.S. EN IEC 60076-22-7:2020
Current
The latest, up-to-date edition.
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings (IEC 60076-22-7:2020)
Hardcopy , PDF
English - French
07-28-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
5 General requirements for routine and type test
6 Accessories and fittings
Annex A (informative) Earthing pad current capacity calculation
Annex B (informative) Wheel assembly
Annex C (informative) Sizing of conventional types of dehydrating breather – Guide for calculation of breather size
Annex D (normative) Butterfly valve types
Annex E (normative) Gaskets and gasket seats
Annex F (informative) Terminal boxes – Preferred mounting dimensions
Bibliography
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