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Rosseti constructed a digital substation to supply the north of Voronezh

31 July 2020

In Voronezh, a key power centre for the most densely populated northern part of the city was solemnly opened - the 110 kV “Sputnik” substation with a capacity of 80 MVA. The power facility is one of the most modern in Russia, built using a full range of domestic advanced technologies as part of the digital transformation concept implemented by Rosseti’s group of companies. Investments amounted to about 900 million rubles. The ceremony was attended by Governor of the Voronezh Region Alexander Gusev, Governor of the Pskov Region Mikhail Vedernikov and Director General of Rosseti Pavel Livinskiy.

The substation was constructed in the Kominternovsky district of Voronezh with a population of over 270,000 people. Its work will improve the quality and reliability of power supply to consumers in the regional centre, as well as ensure grid connection of new industrial, household and socially significant facilities. In particular, seven residential complexes with an area of over 400,000 sq. m. will be connected. Agreements have already been concluded with three residential complexes for the delivery of 36.8 MW of power.

“Many various projects in the field of industry and housing construction are being implemented in the Voronezh region - this leads to an increase in power consumption, the need to expand the power grid infrastructure. And power engineers promptly respond to these requests, strive to meet the growing needs of the region by investing in new, advanced equipment, building high-tech food centres. We would like to thank Rosseti for cooperation and hope that it will continue to develop so fruitfully,” stressed Alexander Gusev.

“This is an important step towards the implementation of the Concept of Digital Transformation of Rosseti’s Group - the work that we are actively carrying out throughout the country. The power facility is technically fully compliant with the requirements of the time. Moreover, all the equipment used here is manufactured in Russia. Since the end of 2017, Rosseti’s group has constructed 72 substations using digital technologies, and we will commission another 51 similar facilities by the end of next year, including for the first time in the Urals, the South and the Volga Region,” noted Pavel Livinskiy.
The substation has two power transformers of 40 MVA each, switchgears and control gears of 10 and 110 kV. Digital technologies were applied in automation and equipment control systems. The facility provides modern software systems with microprocessors based on the IEC 61850 standard.

All data on the parameters of the substation operation, emergency processes, telemetry are transmitted via digital data transmission channels to the Grid Control Centre of “Rosseti Centre Voronezhenergo”. Control of primary and secondary equipment, engineering, security and other technological systems is also carried out remotely. This will increase the observability of technological processes, provide remote control of switching devices and relay protection and automation equipment, carry out remote diagnostics and monitoring of the technical condition, as well as significantly reduce the operating costs of the substation maintenance.

Rosseti is also implementing several advanced digital transformation projects in the Voronezh region. The unified Grid Control Centre of “Rosseti Centre Voronezhenergo” was commissioned. Work is underway to create the “Digital Distribution Zone” in the pilot districts of the region - the Novousmansky and Ramonsky Distribution Zones, where new digital equipment allows, in the event of technological violations, to automatically locate and isolate faulty sections of the grid, while maintaining power supply to most consumers. This made it possible to significantly reduce the time for detecting and eliminating fault on power lines.

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