Application of enhanced thermal ratings to primary substation transformers

Ian Elders, Keith Bell, Kevin Smith, Alan Collinson

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
95 Downloads (Pure)


The use of thermal modelling to increase the permissible load-carrying capability of distribution system transformers is attracting increasing interest. Many reported approaches calculate the rating of transformers in real time in response to system conditions. In this study, an experiment to validate and tune the parameters of such a thermal model is described, and explained how the results have been used to inform the inclusion of model-based seasonal ‘enhanced’ ratings in the network planning process.
Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalCIRED Open Access Proceedings Journal
Publication statusAccepted/In press - 2 Aug 2017
Event24th International Conference and Exhibition on Electricity Distribution - Scottish Event Campus, Glasgow, United Kingdom
Duration: 12 Jun 201715 Jun 2017


  • distribution networks
  • power transformers
  • asset management
  • thermal modelling
  • load-carrying capability
  • planning processes


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