Loss Measurements on Power Transformers and Reactors

Project: EU project

Project Details


Accurate loss measurement systems for grid power transformers and reactors to improve their efficiency.

Improving devices dealing with large amounts of energy (e.g. grid power transformers) could significantly save costs and reduce energy waste.

Project establishes highly accurate loss measurement systems for transformers and reactors and develop prototype devices that significantly reduce measurement uncertainty.

VTT MIKES develops a new high-accuracy inductive voltage divider with 100 kV measurement range and better than 40 µV/V ratio uncertainty and 25 µrad phase displacement uncertainty.

Call 2017: Metrology for Pre- and Co-normative Research

This project has received funding from the EMPIR programme co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.
Effective start/end date1/05/1830/04/21

Collaborative partners

  • Dutch Metrology Institute (VSL) (lead)
  • BA66 National metrology institute VTT MIKES
  • German National Metrology Institute (PTB)
  • RISE Research Institutes of Sweden
  • TÜBİTAK National Metrology Institute (UME)
  • EPRO Gallspach GmbH


  • EURAMET e.V.


  • loss measurement
  • power transformer
  • voltage divider