Implementation and Analysis of Grey Wolf Optimization Technique for PV Fed Switched Coupled Inductor Quasi Z-Source Cascaded Multilevel Inverter

Authors

  • V. Raghavendra Rajan School of Electrical Engineering, Vellore Institute of Technology, Chennai, India
  • L. Premalatha School of Electrical Engineering, Vellore Institute of Technology, Chennai, India
  • Krismadinata Department of Electrical Engineering Faculty of Engineering, Universitas Negeri Padang Indonesia

DOI:

https://doi.org/10.13052/dgaej2156-3306.3755

Keywords:

Perturb & Observe, grey wolf optimization, switched coupled inductor, quasi Z-Source, cascaded multilevel inverter, partial shading conditions

Abstract

A new type of photovoltaic (PV) fed cascaded multilevel topology is proposed in this work. The proposed topology is an integration of Switched Coupled Inductor (SCL) quasi Z-Source network (qZS) to Cascaded Multilevel Inverter (CMI). In order to extract maximum power with high tracking efficiency under various conditions from the PV system, Grey Wolf Optimization (GWO) algorithm is implemented in the proposed topology. The main aspect of GWO is to control the duty cycle through iterations for better performance. The GWO has the potential to achieve global peak under any climatic conditions. The iterations are done in three steps mainly hunting, encircling for prey and, attacking prey. To prove the effectiveness of GWO, its performance is compared with traditional Perturb & Observe (P & O) MPPT technique. The proposed technique is implemented, tested for various Partial Shading Conditions (PSC) using MATLAB/ Simulink results are verified with experimental set up of 1 kW by utilizing My-RIO embedded FPGA processor board.

Author Biographies

V. Raghavendra Rajan, School of Electrical Engineering, Vellore Institute of Technology, Chennai, India

V. Raghavendra Rajan completed his Master’s Degree in Power Electronics and Drives at Jeppiaar Engineering College, Anna University, Chennai. Completed Ph.D. in Power Electronics with Renewable Energy from Vellore Institute of Technology, Chennai. His current research interest are Inverters, Embedded systems and Power Electronics for Renewable energy.

L. Premalatha, School of Electrical Engineering, Vellore Institute of Technology, Chennai, India

L. Premalatha did her Master’s at Thiagarajar College of engineering, Madurai, India, in 1997 and acquired her Ph.D., in Electrical Engineering from Anna University, India, in the year 2009. She is currently working as a Professor in Vellore Institute of Technology, Chennai, India. Her research interests include Power Electronics & Drives, Non-linear dynamic systems & control, Electromagnetic compatibility and Power quality.

Krismadinata, Department of Electrical Engineering Faculty of Engineering, Universitas Negeri Padang Indonesia

Krismadinata was born in Padang Indonesia. He received the B.Eng. degree from Universitas Andalas, Padang, Indonesia, in 2000 and the M.Eng. degree from the Institute of Technology Bandung, Indonesia, in 2004 and the Ph.D. degree from the University of Malaya, Kuala Lumpur, Malaysia, in 2012. He is currently a Senior Lecturer with the Department of Electrical Engineering, Universitas Negeri Padang, where he is also the Director of Center for Energy and Power Electronics Research Universitas Negeri Padang. His research interests are power electronics, control system and renewable energy.

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Published

2022-07-01

How to Cite

Rajan, V. R. ., Premalatha, L. ., & Krismadinata. (2022). Implementation and Analysis of Grey Wolf Optimization Technique for PV Fed Switched Coupled Inductor Quasi Z-Source Cascaded Multilevel Inverter. Distributed Generation &Amp; Alternative Energy Journal, 37(05), 1395–1416. https://doi.org/10.13052/dgaej2156-3306.3755

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Articles