Chapter Eleven - Fault ride through/low voltage ride through capability of doubly fed induction generator–based wind energy conversion system: a comprehensive review

Abstract

A comprehensive review in fault ride through (FRT) or low voltage ride through has been discussed in this paper. This paper is organized with both secondary hardware and control strategy of FRT capability in a doubly fed induction generator (DFIG). The FRT capability helps DFIG-based wind energy conversion system to remain connected with the grid during fault conditions. Various techniques associated with enhancing the FRT capability of wind turbines are presented in this paper to fulfill the latest international grid code requirements and protect the power electronics components from abnormalities, and limitations of each are provided for further improvement. Also, one of the prominent FRT techniques, which is fault current limiter, has been discussed in detail as it shows an effective result in minimizing fault current as compared to other FRT techniques. This review provides a potential study for the improvement of different FRT techniques at the wind farm level.