The Kametstal plant of the Metinvest mining and metallurgical group (Kamensk, Dnipropetrovsk region) has begun the first stage of a large-scale overhaul of one of its important substations, which supplies electricity to technological processes.
According to the company, the overhaul will also include the modernization of key equipment, which will improve the reliability of power supply and occupational safety.
The main tasks of the overhaul include replacing obsolete equipment that is no longer used in external power grids with modern switching equipment. In particular, disconnectors will be replaced with new 150 kV gas-insulated circuit breakers. Electromagnetic relays will also be replaced with microprocessor-based protection and automation relay units, which provide more sensitive protection with automatic rapid response of equipment to emergency situations.
It is specified that the new equipment will enable the protection of 150 kV electrical circuits directly at the Kametstali substation, whereas previously this was carried out at the remote DTEK substation. This will enable power engineers to localize the emergency area and optimize the process of eliminating the emergency situation.
The report notes that this is one of the most important overhauls of key equipment in the workshop this year, replacing outdated electrical equipment with modern automated equipment. In particular, this is a new level and a modern approach to the process of operational switching, which will now be performed remotely – automatically, using a control key, without the physical presence of employees at the switching device.
“This is a significant step towards improving the safety of our personnel. As a result, we expect to have a modern, reliable power supply system for an important part of the enterprise, as well as improved conditions and increased safety for the personnel of the Central Power Plant,” explained Mikhail Revin, assistant head of the network and substation engineering department, whose words are quoted in the report.
Currently, the old equipment has been completely dismantled at the repair site, and excavation work is underway to pour the foundations for the new equipment. After that, repair specialists will begin its installation.
Kametstal is part of the Metinvest Group.
