Coordination of electrical distribution grid voltage control - a fairness approach

Rasmus Pedersen, Christoffer Sloth, Rafael Wisniewski

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

In this paper, we present a method for distributing controller gains to assets offering local volt/var control. Gains are distributed based on a fairness principle, where all assets contribute equally to the voltage control, eliminating effects such as physical location. The method relays on a limited need for communication, and is inherently robust against connection loss, since only gains are updated. Through simulation examples it is shown that applying local volt/var control can reduce the amount of tap-changes with up to 84%, and updating local controller gains with the proposed algorithm can decrease the difference in reactive output between assets with 60%, while maintaining the same voltage levels. Thus the proposed control, provides significant economic benefit for distribution system operators.
Original languageEnglish
Title of host publicationProceedings of the 2016 IEEE Conference on Control Applications
Number of pages6
PublisherIEEE
Publication date2016
Pages291-296
ISBN (Print)978-1-5090-0756-1
ISBN (Electronic)978-1-5090-0755-4
DOIs
Publication statusPublished - 2016
Externally publishedYes

Keywords

  • distributed control
  • power distribution control
  • power grids
  • voltage control
  • distributing controller
  • distribution system operator
  • economic benefit
  • electrical distribution grid voltage control coordination
  • fairness approach
  • local volt-var control
  • tap-change amount reduction
  • Admittance
  • Inverters
  • Power measurement
  • Reactive power
  • Systems architecture
  • Voltage control
  • Voltage measurement

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