Enhancing Smart Grid in Bangladesh power distribution system using substation automation

Ali, Md. Sumon; Sultana, Abida; Supti, Jannatul Naim; Bhuyan, Tanvir Alam; Shatil, Abu Hena

doi:10.1109/ceee.2015.7428282

Cited by 3 publications

(7 citation statements)

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“…The electricity distribution grid is one of the most vulnerable points in the electricity supply process [1], [2]. In some countries, approximately 80% of power outages occur due to failures in the distribution system [2]. This is due to its large extension and numerous derivations, consisting of various devices and exposed in an environment that can cause defects, such as trees and vehicle accidents.…”

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“…Another very interesting alternative is to carry out simulations of the electricity distribution grid, which is a very important activity, especially in some areas within a utility, such as, e.g, the processes of: operation, planning, projects and others [4], [5]. These points, mentioned above, emphasize the importance of innovation in automation in electricity distribution grids today, for the purpose of taking better advantage of the investments made in the development of new equipment and technologies [1], [2], [6].…”

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“…In order to extract all the potential that automation can provide for the electricity distribution grid, it is important to take this concept also to primary substations [2], [7]. Many substations nowadays are outdated, with obsolete equipment installed, such as electromechanical relays, and it is necessary to modernize it to meet the new demands of the electricity sector [8].…”

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“…Many substations nowadays are outdated, with obsolete equipment installed, such as electromechanical relays, and it is necessary to modernize it to meet the new demands of the electricity sector [8]. As it is still new, the automation and digitalization of primary substations present a very high cost of implementation, however, some countries are gradually starting to show themselves adept to new ideas for innovation and subsequent implementation of this new model of primary substation [2], [9]- [11]. The automation of primary substations is based on the modernization of their equipment, using Intelligent Electronic Devices (IEDs), together with a more robust and reliable communication system, with protocols that allow the interaction between field equipment and IEDs.…”

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Development of an Automated Distribution Grid With the Application of New Technologies

Chaves

Martins

Martins³

et al. 2022

IEEE Access

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With the advancement of technology and the application of new sensors in the electric distribution grid, in order to increase its automation, meeting the idea of smart grids, a concept that has been expanding through the years. This article describes some of the solutions and results that ENEL Distribution São Paulo has achieved, through its R&D (Research and Development) Urban Futurability project, to make its electricity distribution grid automated and in line with trends and future technologies. The project includes the installation of sensors for monitoring and protecting both the overhead and underground electricity distribution grid and medium and low voltage, digitalization of the primary substation and improvements in the communication infrastructure, seeking their complete automation. The project was applied in one of the largest urban centers in the world, the city of São Paulo, Brazil, with a diversity of load profiles, both residential and commercial, being a great place to test new technologies in different scenarios. With the increased application of automation in the electricity distribution grid, ENEL Distribution São Paulo seeks to provide its customers with a better service, with a safer and more reliable electricity distribution grid, monitored practically in real time and with state-of-the-art technologies. Therefore, the end consumers benefit from an electric distribution grid with greater availability and decreased number of interruptions.INDEX TERMS Distribution transformer sensing, fiber optic communication, fuse sensing, grid automation, primary substations digitalization, protection in the low voltage grid, underground fault tracking.

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