A review of single stage and multistage power converters for doubly fed induction generator integrated with power grid

Author:

Soomro Mansoor1ORCID,Memon Zubair Ahmed1,Kumar Mahesh1,Baloch Mazhar Hussain2,Hussain Mirjat Nayyar1,Kumar Laveet3

Affiliation:

1. Department of Electrical Engineering, Mehran University of Engineering and Technology, Jamshoro, Sindh, Pakistan

2. Department of Electronics and Communication Engineering, College of Engineering, A’Sharqiyah University, Ibra, North Sharqiyah Region, Oman

3. Department of Mechanical Engineering, Mehran University of Engineering and Technology, Jamshoro, Sindh, Pakistan

Abstract

The doubly fed induction generator (DFIG) is the most popular induction generator for onshore wind energy conversion system (WECS). Therefore, the purpose of research is to optimize power transfer from DFIG to power grid which requires frequency and voltage stability in power converters. Hence, the single-stage and multistage power converter topologies associated with grid-integrated DFIG are thoroughly examined in this work. In the single stage, a matrix converter and cycloconverter are used. Whereas, the multistage topologies include two-level back-to-back (2L-B2B) converter, Z-source converter, and multilevel converters. Furthermore, three-level neutral point clamped (3L-NPC) voltage source converters with battery energy storage systems (BESS) and modified superconducting fractional order terminal sliding mode controllers (MSTFOTSMC) have been used with multilevel converter both at rotor side converter (RSC) and grid side converter (GSC) for stabilized generated voltage and higher power output. The MATLAB simulation results demonstrate that the system effectively controls fluctuations in voltage and current thereby improving the power quality in unbalanced situations.

Publisher

SAGE Publications

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