Voltage Management in Unbalanced Low Voltage Networks Using a Decoupled Phase-Tap-Changer Transformer

Massimiliano Coppo, Roberto Turri, Mattia Marinelli, Xue Han

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Abstract

The paper studies a medium voltage-low voltage transformer with a decoupled on load tap changer capability on each phase. The overall objective is the evaluation of the potential benefits on a low voltage network of such possibility. A realistic Danish low voltage network is used for the analysis. The load profiles are characterized by using single phase measurement data on voltages, currents and active powers with a 10 minutes resolution. Different scenarios are considered: no tap action, three-phase coordinated tap action, single phase discrete step and single phase continuous tap action. The effectiveness of the tapping capability is evaluated by comparing the Voltage Unbalance Factor and the voltage levels on the neutral cable.
Original languageEnglish
Title of host publicationProceedings of International Universities' Power Engineering Conference (UPEC) 2014
Number of pages6
PublisherIEEE
Publication date2014
Article number6934809
ISBN (Print)9781479965571
DOIs
Publication statusPublished - 2014
Event49th International Universities’ Power Engineering Conference - Cluj-Napoca, Romania
Duration: 2 Sep 20145 Sep 2014
http://www.upec2014.com

Conference

Conference49th International Universities’ Power Engineering Conference
CountryRomania
CityCluj-Napoca
Period02/09/201405/09/2014
Internet address

Keywords

  • Distributed Generation
  • Automatic Voltage Control
  • Power Transformer
  • Smart Grids

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