Frequency Control in an Autonomous Microgrid Using GA Based Optimization Technique

Authors

  • H. R. Sridevi Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India
  • Shefali Jagwani Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India
  • Shreeram V. Kulkarni Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India
  • H. M. Ravikumar Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.38210

Keywords:

Distributed energy sources, autonomous microgrid, genetic algorithm, frequency control, active power sharing

Abstract

In recent times the rapid development of distributed energy sources has transformed the conventional electrical grid to a decentralised system. This has led to the advancement in research of microgrid. In the conventional grid, the voltage and frequency regulation depends on the speed control of alternators connected to the grid. But for an autonomous microgrid, the voltage and frequency has to be regulated independent of the main grid. Deviation in the frequency occurs whenever there is change in the load and due to inherent variability of distributed energy sources. This deviation can be regulated by optimising the droop coefficients using Genetic algorithm (GA). Simulations have been carried out in MATLAB/SIMULINK for different types of loads (linear and non-linear) and results are shown for frequency deviation, and active power sharing of the DGs. The responses for frequency deviations with and without GA optimizations are presented.

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Author Biographies

H. R. Sridevi, Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India

H. R. Sridevi, was born in Bengaluru, India, 1983. Received B.E. degree in Electrical and Electronics Engineering (EEE) from M.S. Ramaiah Institute of technology, Bengaluru, India. Received M.Tech. degree in Power Electronics from B M S college of engineering, Bengaluru, India. She is Pursuing her Ph.D. degree in the area of Microgrids. She is presently working as a Assistant Professor in the Department of Electrical and Electronics Engineering in Nitte Meenakshi Institute of Technology (NMIT), Bengaluru, Karnataka, India. She is a Life member of Indian Society of Systems for Science and Engineering. She has authored and co-authored some papers in International Conferences. Her areas of interests include Power Systmes, Power Electronics and Microgrids.

Shefali Jagwani, Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India

Shefali Jagwani received B.E degree in 2009 and ME in Power Systems in 2011. She received her PhD degree in 2019 from BMS College of Engineering Bangalore. She is currently working as Head, Power Engineering Centre of Excellence and Associate Professor in Department of Electrical and Electronics Engineering at NMIT Bangalore. She is a senior member, IEEE and has 9+ years of academic and research experience. She has received many awards and recognitions. She is currently an executive committee member of IEEE PELS and IES Bangalore Section and is recently nominated as treasurer for Industrial Electronic Society 2021. She has co-authored one book and many international papers. Also, she is the reviewer of many Elsevier and IEEE Journals. She is the member of BoE, BoS in NMIT and her areas of interests include Power Electronics and Drives, Switched Reluctance Machines, WindEnergy Generation, etc.

Shreeram V. Kulkarni, Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India

Shreeram V. Kulkarni received B.E. degree in Electrical and Electronics Engineering (EEE) from Guru Nanak Dev Engineering College (GNDEC) Bidar, Karnataka, India. Received M.Tech. degree in Electrical Power Systems (EPS) from Shri Dharmasthala Manjunatheshwara College of Engineering and Technology (SDMCET), Dhavalagiri Dharwad, Karnataka, India. He is the graduate student member of IEEE (GSIEEE). His research interests are Power System Analysis and Control, Microgrid Operation, Droop Control for parallel connected DGs, and Islanding detection for grid connected power electronic based DG systems and published research papers in journal and conferences. Completed his Ph.D. degree in Power Systems from National Institute of Technology Karnataka (NITK), Surathkal, India. Presently working as a Assistant Professor in the Department of Electrical and Electronics Engineering in Nitte Meenakshi Institute of Technology (NMIT), Bengaluru, Karnataka, India.

H. M. Ravikumar, Nitte Meenakshi Institute of technology, Bengaluru, Karnataka, India

H. M. Ravikumar received B.E. degree in Electrical and Electronics in 1984, from Dayananda Sagar College of Engineering, Bengaluru, M.E in Power systems from NIE, Mysuru in 1990 and Ph.D from IIT Bombay in 2000. He is working as a Professor in the department of Electrical and Electronics Engineering, NMIT. He has authored and co-authored in many international papers. He has 35+ years of teaching expereince. His areas of interest are in Power systems, Artificial Intelligence, Fuzzy logic.

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Published

2023-01-03

How to Cite

Sridevi, H. R. ., Jagwani, S. ., Kulkarni, S. V. ., & Ravikumar, H. M. . (2023). Frequency Control in an Autonomous Microgrid Using GA Based Optimization Technique. Distributed Generation &Amp; Alternative Energy Journal, 38(02), 595–610. https://doi.org/10.13052/dgaej2156-3306.38210

Issue

2023: Vol 38 Iss 2

Section

Articles