CUED Publications database

Symmetrical low voltage ride-through of a 250 kW Brushless DFIG

Long, T and Shao, S and Abdi, E and Malliband, P and Mathekga, ME and McMahon, RA and Tavner, PJ (2012) Symmetrical low voltage ride-through of a 250 kW Brushless DFIG. IET Conference Publications, 2012.

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Abstract

The Brushless Doubly-Fed Induction Generator (Brushless DFIG) shows commercial promise for wind power generation due to its lower cost and higher reliability when compared with the conventional Doubly-Fed Induction Generator (DFIG). In the most recent grid codes, wind generators are required to be able to ride through a low voltage fault and meet the reactive current demand from the grid. Hence, a Low-Voltage Ride-Through (LVRT) capability is important for wind generators which are integrated into the grid. In this paper the authors propose a control strategy enabling the Brushless DFIG to successfully ride through a symmetrical voltage dip. The control strategy has been implemented on a 250 kW Brushless DFIG and the experimental results indicate that LVRT is possible without a crowbar.

Item Type: Article
Uncontrolled Keywords: Brushless DFIG Converters DFIG LVRT Wind turbines
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:22
Last Modified: 08 Dec 2014 02:31
DOI: 10.1049/cp.2012.0322