Performance Evaluation of Grid-Connected DFIG-Based WECS with Battery Energy Storage System under Wind Alterations Using FOPID Controller for RSC

Pradeep Singh, Krishan Arora, Umesh C. Rathore, Eunmok Yang, Gyanendra Prasad Joshi () and Kwang Chul Son ()
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Pradeep Singh: School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144411, India
Krishan Arora: School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144411, India
Umesh C. Rathore: Department of Electrical Engineering, Atal Bihari Vajpayee Government Institute of Engineering & Technology-Pragtinagar, Shimla 171202, India
Eunmok Yang: Department of Financial Information Security, Kookmin University, Seoul 02707, Republic of Korea
Gyanendra Prasad Joshi: Department of Computer Science and Engineering, Sejong University, Seoul 05006, Republic of Korea
Kwang Chul Son: Department of Information Contents, Kwangwoon University, Seoul 01897, Republic of Korea

Mathematics, 2023, vol. 11, issue 9, 1-29

Abstract: In the present energy scenario, wind energy is the fastest-growing renewable energy resource on the globe. However, wind-energy-based generation systems are also associated with increasing demands for power quality and active power control in the power network. With the advancements in power-electronics-based technology and its use in non-conventional energy conversion systems, it has witnessed tremendous growth in wind energy conversion systems (WECSs). At the same time, integrating wind farms into the grid system also results in many power quality issues in the power system that involve these renewable energy sources feeding power networks. This paper reports the effectiveness of grid-connected doubly fed induction generator (DFIG)-based WECS with a battery energy storage system (BESS) under variable wind conditions. In this study, a rotor side converter (RSC) is controlled to achieve the optimal torque for a given maximal wind power. The control scheme is simulated using MATLAB for a 2 MW-rated DFIG used in a WECS. Additionally, in this paper, a new fraction order proportional integral derivative (FOPID) controller is introduced into the system’s RSC, and its performance is also observed. The BESS technique is used with a DC link to improve the overall performance of the DFIG-based WECS under different wind conditions. To control the BESS, a proportional integral (PI) controller is introduced to increase the charging and discharging rates. Two models are developed in MATLAB/Simulink: one model is a basic model, and other model is equipped with a BESS and a PI controller in the BESS. The results validate the effectiveness of the proposed PI-controller-equipped BESS at improving the overall performance of the WECS system under study.

Keywords: renewable energy; WECS; DFIG; BESS; PI controller; FOPID-controller; RSC (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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