https://orcid.org/0000-0001-5399-617X
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ABSTRACT
Renewable wind energy is the fastest-growing energy in the forthcoming green energy era and its generation capabilities has been increasing day by day. Large-penetration of Doubly Fed Induction Generator-Wind Turbine (DFIG-WT) creates severe transient stability issues in the power system. Fault Ride Through (FRT) capabilities are the major concerns in wind generation system in faulty conditions. The purpose of maintaining the FRT capability is that the DFIG-WT system should remain connected to the grid during fault conditions. Therefore, external retrofit solutions, internal control modification schemes, and a few advanced controller approaches are reported to enhance the FRT capabilities. However, improvement of the system transient stability along with LVRT enhancement is a challenging task, in the presence of low inertia contributed by power electronic devices tied wind energy conversion system. So, FRT enchantment with desired inertia is a new field of research interest. Therefore, this survey discusses the most admired external hardware approach and internal modification or advanced controller approaches, which are used to enhance the FRT capabilities in DFIG-WT and also emphasizes the transient stability enhancement aspects.
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Preeti Verma
Bharti Dwivedi worked as a Professor in the Department of Electrical Engineering, IET, Lucknow. She completed Ph.D. from the Department of Electrical Engineering, GCET, Raipur, India. She obtained her M.Tech. from the Department of Electrical Engineering, IIT Kanpur, India in 1985. Her research interests include power system optimization, power system stability, and electric drives.
Seethalekshmi K
Seethalekshmi K. received her B.Tech. in Electrical Engineering from Calicut, Kerala, India, M.tech in power system from College of Engineering, Trivandrum, Kerala, India and completed her Ph.D. from Indian Institute of Technology, Kanpur, India. Currently she is working as an Associate Professor in the Department of Electrical Engineering IET, Lucknow. Her research interests include wide-area power system stability and protection.
Bharti Dwivedi
Preeti Verma received her B.Tech. in Electrical and Electronics Engineering from Integral University, Lucknow, in 2008 and M.Tech. in Control and Instrumentation from MNNIT, Allahabad, India in 2013. She is currently pursuing Ph.D. in the Department of Electrical Engineering, IET, Lucknow. Her research area includes DFIG-WF, power system stability, and control.