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Home Industrial Technologies A High-Cycling Steam Turbine Installation with Increased Energy Efficiency Based on a 300 Mw Steam Turbine

A High-Cycling Steam Turbine Installation with Increased Energy Efficiency Based on a 300 Mw Steam Turbine


The operation of the installation is based on the thermodynamic cycle suggested by IPMash NAS of Ukraine specialists. The cycle is implemented on a high-temperature small-capacity turbine (25 MW) combined with an operating high-capacity power unit (300 MW).This turbine is driven with steam extracted from the main (base) turbine when it is necessary to generate peak power for the energy grid. Subsequently, the steam is superheated to a higher temperature, used in the high-temperature turbine and returned to the base turbine.

Innovative Aspect and Main Advantages

The installation generates additional power in peak load conditions, which will be 45 to 60 MW on the 300 MW unit depending on the design and operating conditions of turbine- driven sets (base and peak ones).

Using the installation offered allows:

  • to extend the service life of power units;
  • to increase the operating efficiency of existing power units at thermal power plants by 3-5 % when generating under peak and cycling load conditions;
  • to increase the total capacity of the power unit by 15-20 % when operating under peak load conditions;
  • to ensure operation of basic power unit equipment in derated conditions without significant overloading of the most thermal stressed parts.

Areas of Application

Thermal power engineering enterprises in Ukraine, the CIS countries and in East European countries.

Stage of Development

The thermodynamic fundamentals of a peak-load turbine operating in commercial power units at TPPs and cogeneration plants have been worked out. The peak-load turbine design philosophy has been established, and patent applications have been filed.

Contact Details

A.N. Podgorny Institute for Mechanical Engineering Problems NAS of Ukraine
Contact person: Academician of NAS of Ukraine Matsevity Yuri Mihaylovich
Address: 2\10, Pozharsky str., 61046, Kharkiv, Ukraine
Tel.: (+38 0572) 945 514
Fax: (+38 0572) 944 635, 942 744
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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