en.Wedoany.com Reported - The no-load test for the turbine unit at the Seversk Thermal Power Plant in Russia's Tomsk Region has been completed recently, verifying its operational performance and preparing for the next stage of load testing. This test is a key part of the plant's modernization project initiated in 2020. The commissioning team gradually increased the rotation speed using steam supplied from the boiler shop, ultimately achieving the turbine's maximum operating speed of 3000 revolutions per minute.
During the no-load startup process, experts inspected the correct assembly and operational readiness of the turbine unit. Commissioning personnel recorded various parameters, evaluating systems such as high and low-pressure steam supply, cooling, protection, automatic regulation, oil temperature and lubrication, sealing status, and vibration frequency. The test objectives were met, and standard parameters were confirmed. The Seversk branch of Rosatom's infrastructure solutions company, Rosatom Infrastructure Solutions JSC, stated that equipment testing involved representatives from main contractors and suppliers, including the Kaluga Turbine Works and Silovye Mashiny (Power Machines).
The successful completion of this no-load test marks the project's transition from the installation and commissioning phase to the performance verification phase. The next steps include a hot load test planned for April, followed by a 72-hour comprehensive test in May, after which it will be connected to the power grid.
The modernization of the Seversk Thermal Power Plant includes rebuilding the second-phase boiler unit, installing a flue gas purification system, two turbine units, and auxiliary systems. All equipment is Russian-made, with main equipment, auxiliary equipment, boilers, power generation equipment, and automation systems sourced from Russian factories. More than ten companies are involved. The two latest PR-30/35 turbine units were supplied by the Kaluga Turbine Works, with a rated power of 30 megawatts each, capable of using both coal and natural gas.
The plant's new No. 13 boiler unit was put into operation in November 2025. It incorporates 30 environmental technology solutions, such as a bag filter capable of capturing 99.6% of ash. An automated dry ash removal system collects ash into a 500-cubic-meter silo, and a pneumatic conveying system reduces energy consumption by 80%. The ash is used in building material production and land reclamation.
The Seversk Thermal Power Plant is one of the largest energy facilities in the Tomsk Region. It was commissioned in stages between 1953 and 1961, providing heat and power to the Siberian Chemical Plant and the city of Seversk. It has a power generation capacity of 349 megawatts and a heat supply capacity of 1443 gigacalories per hour.
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