Frequency support using doubly fed induction and reluctance wind turbine generators

Attya, Ayman, Ademi, Sul, Jovanovic, Milutin and Anaya-Lara, O. (2018) Frequency support using doubly fed induction and reluctance wind turbine generators. International Journal of Electrical Power & Energy Systems, 101. pp. 403-414. ISSN 0142-0615

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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 de-loading. 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 while still ensuring competitive performance to its popular slip-ring companion. The implemented benchmark is carefully designed to ascertain 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.

Item Type: Article
Uncontrolled Keywords: Wind power, Doubly-fed machines, Ancillary services, Frequency stability, Virtual inertia
Subjects: H300 Mechanical Engineering
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Paul Burns
Date Deposited: 15 Nov 2018 16:20
Last Modified: 10 Oct 2019 21:16

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