Ant Lion Algorithm for Optimized Controller Gains for Power Quality Enrichment of Off-grid Wind Power Harnessing Units

doi:10.23919/CJEE.2020.000022

Chinese Journal of Electrical Engineering ›› 2020, Vol. 6 ›› Issue (3): 85-97.doi: 10.23919/CJEE.2020.000022

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Ant Lion Algorithm for Optimized Controller Gains for Power Quality Enrichment of Off-grid Wind Power Harnessing Units

Kodakkal Amritha¹, Veramalla Rajagopal^2,*, Kuthuri Narasimha Raju³, Sabha Raj Arya⁴

1. Department of Electrical and Electronics Engineering, BVRIT HYDERABAD College of Engineering for Women, Telangana 500090, India;
2. Department of Electrical and Electronics Engineering, Kakatiya Institute of Technology and Science, Telangana 506015, India;
3. Department of Electrical and Electronics Engineering, Koneru Lakshmaiah Education Foundation, Andhra Pradesh 522502, India;
4. Department of Electrical Engineering, Sardar Vallabhbhai National Institute of Technology Surat, Gujarat 395007, India

Received:2020-05-28 Revised:2020-07-10 Accepted:2020-07-13 Published:2020-10-14
Contact: * E-mail: vrg.eee@kitsw.ac.in
About author:Kodakkal Amritha received her B.E. degree in electrical & electronics engineering from Karnataka Regional Engineering College, Surathkal (presently NIT, Surathkal), and her M.T. in power electronics and industrial drives at JNTUH, Hyderabad, India. She is working as an associate professor at BVRIT HYDERABAD College of Engineering for Women, Hyderabad. She is currently doing her research at KL Deemed University, in the field of power quality improvement in wind energy conversion systems. Her research interests include power electronic converters, renewable energy sources and power quality.
Veramalla Rajagopal received his AMIE (electrical) degree from the Institution of Engineers (India), his M.T. degree from the Uttar Pradesh Technical University, India and his Ph.D degree from the Indian Institute of Technology (IIT), Delhi. He is presently working as a professor of electrical and electronics engineering, Kakatiya Institute of Technology and Science, Warangal, Telangana, India. His areas of interest include power electronics and drives, renewable energy generation and applications, flexible AC transmission system, and power quality. He holds one patent, has authored 20 international and national journals articles, and has presented at 34 IEEE and national conferences held at India and abroad. He is a life member of the Indian Society for Technical Education (ISTE) and the fellow of Institution of Engineers (India).
Kuthuri Narasimha Raju has completed his B.T. at Sri Venkateswara Hindu College of Engineering, Machlipatnam in electrical and electronics engineering in 2002, his M.T. in power electronics and industrial drives at JNTUH in 2012 and his Ph.D from KL Deemed University in 2018. He is currently working as a professor in the EEE department and as associate dean of the Internal Quality Assurance Cell at KL deemed University. His research interests include pulse width modulation techniques for switched mode converters, novel multilevel inverter topologies, DC microgrid, electric vehicles and power systems. Presently he is guiding eight research scholars and has successfully supervised eight PG theses. He has been presented with the Uttam Acharya Award for the year 2019 by Indian servers and received the Best Teacher award for academic years 2012-2013 and 2016-2017 at KL Deemed University.
Sabha Raj Arya received his B.E. degree in electrical engineering from Government Engineering College, Jabalpur, in 2002, M.T. in power electronics from Motilal National Institute of Technology, Allahabad, in 2004, and Ph.D. degree in electrical engineering from Indian Institute of Technology (IIT) Delhi, New Delhi, India, in 2014. He joined as an assistant professor in the Department of Electrical Engineering, Sardar Vallabhbhai National Institute of Technology, Surat. In January 2019, he was promoted to associate professor in the same institution. His fields of interest include power electronics, power quality, design of power filters and distributed power generation. He received two national awards: INAE Young Engineer Award from the Indian National Academy of Engineering and the POSOCO Power System Award from the Power Grid Corporation of India in 2014 for his research work. He has also received the Amit Garg Memorial Research Award in 2014 from IIT Delhi for high impact publications in a quality journal during the session 2013-2014. He has published more than 100 research papers in international journals and conferences in the field of electrical power quality. He also serves as an associate editor for the IET (UK) Renewable Power Generation.

Abstract

Abstract: The proposed system uses an algorithm that works on the admittance of the system, for estimating the reference values of generated currents for an off-grid wind power harnessing unit (WPHU). The controller controls the voltage and maintains the frequency within the limits while working with both linear and nonlinear loads for varying wind speeds. The admittance algorithm is simple and easy to implement and works very efficiently to generate the triggering signals for the controller of the WPHU. The wind power harnessing unit comprising of a squirrel cage induction generator, a star-delta transformer, a battery storage system and the control unit are modeled using Matlab/Simulink R2019. An isolated transformer with a star-delta configuration connects the load and the generator circuit with the controller to reduce the dc bus voltage and mitigate current in the neutral line. The response of the system during the dynamic loading depends on the best possible compensator proportional-integral (PI) gains. The antlion optimization algorithm is compared with particle swarm optimization and grey wolf optimization and is found to have the advantages of good convergence, high efficiency and fast calculating speed. It is therefore used to extract the optimal values of frequency and voltage PI gains. The simulation results of the control algorithm for the WPHU are validated in a real-time environment in a dSpace1104 laboratory set up. This algorithm is proven to have a quick response, maintain the required frequency, suppress the current harmonics, regulate voltage, help in balancing the load and compensating for the neutral current.

Key words: Wind power harnessing unit, induction generator, admittance based control algorithm, ant lion optimization algorithm, voltage and frequency control, battery energy storage system

Kodakkal Amritha, Veramalla Rajagopal, Kuthuri Narasimha Raju, Sabha Raj Arya. Ant Lion Algorithm for Optimized Controller Gains for Power Quality Enrichment of Off-grid Wind Power Harnessing Units[J]. Chinese Journal of Electrical Engineering, 2020, 6(3): 85-97.

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Ant Lion Algorithm for Optimized Controller Gains for Power Quality Enrichment of Off-grid Wind Power Harnessing Units

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