Frequency support using doubly fed induction and reluctance wind turbine generators

A. B. Attya, S. Ademi, M. Jovanović, O. Anaya-Lara

Research output: Contribution to journalArticle

11 Citations (Scopus)
17 Downloads (Pure)

Abstract

This paper presents the comparative computer simulations of a commercial doubly-fed induction generator (DFIG) and an emerging brushless doubly-fed reluctance generator (BDFRG) for grid-connected wind turbines in terms of frequency support based on the inertia emulation and blade pitching deloading. The BDFRG features the low operation and maintenance cost by using a fractional inverter, and offers the high reliability of brushless structure with a simpler, more compact 2-stage gearbox design whilst still ensuring competitive performance to its popular slip-ring companion. The implemented benchmark is carefully designed to as certain the relative capabilities of the two wind turbine generator technologies in providing this ancillary service. The results reveal that in spite of the fundamentally different operating principles, the DFIG and the BDFRG are highly aligned from the viewpoint of power system applications.
Original languageEnglish
Pages (from-to)403-414
Number of pages12
JournalInternational Journal of Electrical Power and Energy Systems
Volume101
Early online date11 Apr 2018
DOIs
Publication statusPublished - 31 Oct 2018

Keywords

  • wind power
  • doubly-fred machines
  • ancillary services
  • frequency stability
  • virtual inertia

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