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Electrical Engineering

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30-05-2022 | Original Paper

Real-time hardware emulation of WECS based on DFIG during unbalanced type-B and type-E voltage dips for enhanced low voltage ride-through

Authors: Tomson Thomas, A. Prince, P. R. Sunil Kumar, Elizabeth P. Cheriyan

Published in: Electrical Engineering | Issue 5/2022

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Abstract

The presence of partially rated power electronic converters makes the doubly fed induction generator (DFIG)-based wind energy conversion systems (WECS) prominent. This paper focuses on an enhanced low voltage ride-through (LVRT) with reactive power support for WECS based on DFIG during unbalanced type-B and type-E grid voltage dips with the proposed negative sequence control technique. A variety of unbalanced voltage dips will happen in the power system due to different faults which are to be efficiently encountered as per the grid code requirements. WECS with DFIG can be regulated for different types of asymmetrical voltage dips for providing LVRT, by the proposed control of rotor-side-converter (RSC) and grid-side-converter (GSC). Simulations are carried out under MATLAB/Simulink environment for the performance analysis of 2 MW DFIG-based three blade wind turbine. Hardware emulation is executed under a real-time hardware-in-the-loop platform. The proposed control scheme for RSC and GSC shows an improved LVRT capability of WECS based on DFIG with reactive power support to the grid during unbalanced type-B and type-E voltage dips.

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Title: Real-time hardware emulation of WECS based on DFIG during unbalanced type-B and type-E voltage dips for enhanced low voltage ride-through
Authors: Tomson Thomas
A. Prince
P. R. Sunil Kumar
Elizabeth P. Cheriyan
Publication date: 30-05-2022
Publisher: Springer Berlin Heidelberg
Published in: Electrical Engineering / Issue 5/2022
Print ISSN: 0948-7921
Electronic ISSN: 1432-0487
DOI: https://doi.org/10.1007/s00202-022-01577-6

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