Overload control in smart transformer-fed grid

Giovanni De Carne, Zhixiang Zou, Giampaolo Buticchi, Marco Liserre, Costas Vournas

Research output: Journal PublicationArticlepeer-review

12 Citations (Scopus)


Renewable energy resources and new loads-such as electric vehicles-challenge grid management. Among several scenarios, the smart transformer represents a solution for simultaneously managing low- and medium-voltage grids, providing ancillary services to the distribution grid. However, unlike conventional transformers, the smart transformer has a very limited overload capability, because the junction temperature-which must always be below its maximum limit-is characterized by a short time constant. In this work, an overload control for smart transformer by means of voltage and frequency variations has been proposed and verified by means of simulations and experiments.

Original languageEnglish
Article number208
JournalApplied Sciences (Switzerland)
Issue number2
Publication statusPublished - 2017
Externally publishedYes


  • Frequency control
  • Overload control
  • Smart transformer
  • Solid state transformer
  • Voltage control

ASJC Scopus subject areas

  • General Materials Science
  • Instrumentation
  • General Engineering
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes


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