Division 1.3 Requirements for medium power transformers with rated power ≤ 3 150 kVA equipped with tapping connections suitable for operation while being energised or on-load for voltage adaptation purposes. Voltage Regulation Distribution Transformers are included in this category.

United Kingdom

The maximum allowable levels of losses set out in Tables I.1 and I.2 shall be increased by 20 % for no load losses and 5 % for load losses in Tier 1 and by 10 % for no load losses in Tier 2.

Notes on Division 1

Textual amendments

F1: Inserted by Commission Regulation (EU) 2019/1783 of 1 October 2019 amending Regulation (EU) No 548/2014 on implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to small, medium and large power transformers (Text with EEA relevance).

Footnotes

f1

The European Commission Better Regulation Toolbox suggest using a value of 4 % for the social discount rate

https://ec.europa.eu/info/sites/info/files/file_import/better-regulation-toolbox-61_en_0.pdf