Reliability Comparison of Rural & Urban LVDS Networks with Corresponding HVDS Networks Including Substation Reliability

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G Vasantha
Dr. E. Vidyasagar

Abstract

This paper mainly determines the comparison of reliability of an existing rural area & urban area LVDS (low voltage distribution system) with their respective proposed high voltage distribution system (HVDS) and also including their 33/11 kV Substation. Ring main substation and single bus bar substation configuration are considered for urban and rural distribution systems respectively. The reliability of ring bus substation used in urban area is more as compared to single bus substation used in rural area. The load point reliability indices are calculated considering both substation reliability indices and radial feeder indices. The substation failure rate is calculated by considering overlapping outages approach and whereas the radial feeder indices are calculated by using cut set approach. Further, the LVDS Network is converted into the HVDS Network by replacing a high rating distribution transformer (DTR) supplying to a group of customers with Large in number with multiple small rating distribution transformers near to consumer terminals with less number of customers in each group. This conversion leads to Minimum length of LT Lines in HVDS Which results in improving voltage profile, reliability and efficiency. In this paper the disconnecting switches and alternative supply are also considered on both LVDS and HVDS Networks in the calculation of the reliability of to assess the reliability of the radial distribution system (FMEA)Failure mode effect analysis is used. This study uses a LVDS and HVDS system, and uses an alternative power source and disconnectors, to determine reliability indices of the rural area network and urban area network distribution system. In this paper the important distribution reliability indices to reduce system average interruption durations (SAIDI), Energy Not Supplied (ENS) and ASAI for LVDS and corresponding HVDS are calculated. The research idea is proposed on a Indian practical networks.

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How to Cite
[1]
G Vasantha and Dr. E. Vidyasagar , Trans., “Reliability Comparison of Rural & Urban LVDS Networks with Corresponding HVDS Networks Including Substation Reliability”, IJEAT, vol. 13, no. 1, pp. 58–67, Nov. 2023, doi: 10.35940/ijeat.A4310.1013123.
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Author Biographies

G Vasantha, Department of Electrical Engineering, University College of Engineering, Osmania University, Hyderabad, Telangana, India.

G Vasantha, Research Scholar in Electrical Engineering Department, University  College of Engineering, Osmania University, Hyderabad. She has 6 years’ experience in teaching field. She has done B. Tech. in Electrical and Electronics Engineering from Jyothishmathi institute of science & technology( Jyothishmathi Group of Educational Sciences) in Karimnagar,  Affiliated to JNTU(H) and M. E. in Electrical  Engineering from University College of Engineering( (uceou), Osmania University, Hyderabad, Telangana, India and  pursuing Ph.D. in the field of Distribution System Reliability in  University College of Engineering. Her research includes Distribution System , Reliability, Distribution Automation, and High voltage distribution system, smart grid. she got best student awards from school and college level.

Dr. E. Vidyasagar, Department of Electrical Engineering, University College of Engineering, Osmania University, HYDERABAD, Telangana, India.

Dr. E. Vidya Sagar, currently working as Professor and Head of department in the Department of Electrical Engineering, University College of Engineering (A), Osmania University, Telangana, India. He has more than 26 years of experience in teaching field. He has done his bachelor’s degree, master’s degree, and Doctorate Degree in Electrical Engineering from JNTU(H) College of Engineering Hyderabad. His research area is Smart Grid, Smart Power Distribution Systems Computer Simulation of Power Systems and Reliability Engineering. He has got six National and International papers and presented a technical paper in Hong-Kong in 2008 and Publication Topics are automobiles, battery powered vehicles, energy management systems, hybrid electric vehicles, intelligent control, internal combustion engines, distribution reliability, power markets, reviews.

How to Cite

[1]
G Vasantha and Dr. E. Vidyasagar , Trans., “Reliability Comparison of Rural & Urban LVDS Networks with Corresponding HVDS Networks Including Substation Reliability”, IJEAT, vol. 13, no. 1, pp. 58–67, Nov. 2023, doi: 10.35940/ijeat.A4310.1013123.
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