For decades many transformers have been designed for peak efficiencies of around 98-99%. This directive banned less efficient designs by setting maximum permissible energy losses for all new transformers placed in the market. New transformers over 500kVA are now more than 99% efficient.
From July 2021, Tier 2 of the directive requires a further reduction in energy losses, thereby increasing transformer efficiency incrementally by about 0.33% for 500kVA’s and 0.05% for 20MVA’s.
The legislation covers all EU countries and we expect this standard to survive within UK, post Brexit. Similarly, the US Department of Energy required a 2-tier increase in transformer efficiencies in 2010 and 2016.
The directive does NOT apply to existing installed transformers, nor secondhand transformers reinstalled in to service.
Standard Ecopower Distribution Transformer Dimensions
|Rating||Length (approx.)||Width (approx.)||Height (approx.)||Weight (approx.)|