New Reliability Indices for Microgrids and Provisional Microgrids in Smart Distribution Systems

Authors

  • Kavitha Sivakumar Department of Electrical and Electronics Engineering, B. S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai 600048, India
  • R. Jayashree Department of Electrical and Electronics Engineering, B. S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai 600048, India
  • Karthikeyan Danasagaran Department of Mechanical Engineering, Pune 411057, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.3824

Keywords:

Distributed generation, microgrid reliability assessment, provisional microgrid security, renewable energy resources, smart distribution system

Abstract

The construction of provisional microgrids paired with microgrids was recently introduced taking into consideration, the less critical zones of the distribution system. Similar to the microgrids, the provisional microgrids have distributed generators and a master controller. But these provisional microgrids cannot switch to islanded mode as a single entity as in the case of microgrids. Instead, they move to islanded mode along with the coupled microgrid, thus meeting the economic and reliability requirements of the less sensitive zones of the distribution system. This work first proposes few new device-based reliability indices for the sustained faults that cater to the new requirements arising due to the presence of distributed generators all over the system, embedded in clusters of microgrids and provisional microgrids. Secondly, considering the occurrences of temporary faults in similar systems, another new load-based reliability index is proposed. Later, for the chosen example distribution system with 69-buses, the existing reliability indices, and the proposed new indices are calculated. At last, the influence of these indices on generation expansion planning problems like placement and sizing of the distributed generators, construction of clusters of microgrids and provisional microgrids, and economic decisions on scheduling of maintenance is discussed in detail.

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Author Biographies

Kavitha Sivakumar, Department of Electrical and Electronics Engineering, B. S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai 600048, India

Kavitha Sivakumar received the B.E. degree and the M.E. degree from Anna University, Chennai, India in 2006 and 2011, respectively. B.E. degree was in electrical and electronics engineering and the M.E. degree was in power systems engineering. She received the Ph.D. degree in electrical engineering from B. S. Abdur Rahman Crescent Institute of Science and Technology (Deemed to be University), Chennai, India in 2021. From 2006 to 2009, she was working as a software engineer in The Infosys, Chennai. She has experiences as an Assistant Professor working in colleges affiliated to Anna University in Chennai, Savitribai Phule Pune University and in B. S. Abdur Rahman Crescent Institute of Science and Technology (Deemed to be University), Chennai, all in India. Her research interests include power system expansion planning, power system reliability studies, distributed generation, sustainable energy and smart microgrids. Mrs. Kavitha S obtained University First rank in M.E. degree from Anna University, India.

R. Jayashree, Department of Electrical and Electronics Engineering, B. S. Abdur Rahman Crescent Institute of Science and Technology, Vandalur, Chennai 600048, India

R. Jayashree is Professor and the Head of the Department of Electrical and Electronics engineering, B. S. Abdur Rahman Crescent Institute of Science and Technology (Deemed to be University), Chennai, India. She received the B.E. degree in electrical and electronics engineering from Madurai Kamaraj University, India in 1990. She received the M.E. degree in power systems engineering and Ph.D. degree in electrical engineering from Anna University, Chennai, India in 1992 and 2008, respectively. She has many research publications in reputed national and international journals. Her research interests include available transfer capability, congestion management, load frequency control and reactive power pricing and allocation. She is a member of Indian Society for Technical Education and a student branch counsellor in the university, under IEEE Madras Section.

Karthikeyan Danasagaran, Department of Mechanical Engineering, Pune 411057, India

Karthikeyan Danasagaran received the B.E. degree in mechanical engineering from Anna University, Chennai, India in 2006. He received M. S. degree in mechanical and aerospace engineering from IIT, Chicago in 2010. From 2007 to till date, he has worked in various institutions as a Mechanical Engineer. His research interests include reliability studies, numerical methods and operational research. Mr. Danasagaran was a student member of American Society of Mechanical Engineers in 2004–2005 and a student chair of the same society in 2006–2007.

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Published

2023-01-03

How to Cite

Sivakumar, K. ., Jayashree, R. ., & Danasagaran, K. . (2023). New Reliability Indices for Microgrids and Provisional Microgrids in Smart Distribution Systems. Distributed Generation &Amp; Alternative Energy Journal, 38(02), 435–466. https://doi.org/10.13052/dgaej2156-3306.3824

Issue

2023: Vol 38 Iss 2

Section

Articles