2021•Unpublished venueRequires access

Low-Voltage Ride-Through Techniques for DFIG-Based Wind Turbines

Montaser Abdelsattar, Heba A. Mahmoud, Adel A. Elbaset

Abstract

This paper presents an improved protection scheme for both the rotor side converter (RSC) and grid side converter (GSC) of a doubly fed induction generator (DFIG)-based wind turbine (WT) system to enhance the low voltage ride through (LVRT) capability. This paper proposes a comprehensive study about the performance analysis of a 1.5 MW DFIG-based wind turbine in order to stay connected to the grid under the symmetrical and asymmetrical grid faults. This paper discusses the simulations of improved protection scheme to limit the negative impacts of the grid connected faults. The investigated protection scheme is simple in construction and cost efficient. The performance of the DFIG is highly improved during the grid faults. The simulation results confirm the effectiveness of this scheme.

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Available abstract

Key concepts: Low voltage ride through, Turbine, Grid, Wind power, Doubly fed electric machine, Induction generator, Fault (geology), Rotor (electric)