Bulgaria’s power transmission system is ready for the autumn-winter season – Novinite.com

The facilities managed by the electricity System operators were prepared by the company’s teams to ensure the trouble-free and safe operation of the power transmission system in autumn and winter season 2022/2023, reports ESO.

The company invested over BGN 200 million in the implementation of projects specified in the investment and repair programs this year.

In 2022, the construction of the 110 kV power line Varna North – Kavarna was completed, as well as the new 110 kV overhead line connecting the newly built 110 kV substation “Obzor”.

It is planned to build a new 110 kV overhead line connecting the 110 kV “Kurilo” and 400 kV “Metalurgichna” substations, which is essential to ensure safety and continuity electricity Supply of the city of Sofia.

IT welcomes the coming winter season with the most developed 400 kV network in Southeast Europe, which in recent years has been doubled in the direction of Plovdiv – Maritsa East – Burgas – Varna with the implementation of five projects of common European interest electricity System operator adds.

During the preparation of power transmission facilities for the autumn-winter season In 2022/2023, 148 km of 110 kV overhead lines were also renovated, and more than 10,000 decares of overhead line clearings were cleared.

A bypass of power lines was made at a distance of almost 30 thousand km. A total prevention of 71 substations was carried out.

Reconstruction of 110 kV open switchgear in Plovdiv, Ikhtiman, Devnya 1 and Kavarna substations was carried out. Work on the modernization of 110 kV open switchgear at Hisarya, Lazur, Lovech, Lukovit and other substations continues.

More than 500 kilometers of lightning protection cables have been replaced. Off-road gear and cars are provided.

The power transmission operator has also made great strides in building automatic control systems for substations across the country. Five bases are in operation, from which more than 150 substations are already managed.

From the beginning of 2022. 38 substations were modernized with built-in telecontrol systems.

According to the digitization program, construction and assembly activities will be carried out at 11 locations – in 110 kV substations in Lovech; Hisaria; azure; Substation TPP Plovdiv; substation noise center; bulbous; Velingrad; Substation Targovishte 2 and others.

By the end of the year, another 35 substations will be converted to remote control and over the next two years, the control of another 75 substations will be automated.

IT has built an optical network of over 5,000 km, which is constantly being expanded. This network includes 294 locations, 223 of which IT substations, 30 IT Administrative centers and 41 sites of manufacturers and substations of large industrial users.

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