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Power augmentation of PGE Gorzow's gas turbine by steam injection - thermodynamic overview

Abstract

The impact of steam injection upon a gas turbine and a combined power plant performance has been investigated. This article describes and summarizes possibilities of modification for current gas turbine in PGE Gorzow power plant into the Cheng cycle. Our modification deals with a thermal cycle, in which steam produced in a heat recovery steam generator is injected into the gas turbine's combustion chamber. It has been proved that an increase of the mass flow rate of the expanded exhaust gases causes an increase in both the power and efficiency of gas turbine. Steam injection also helps to reduce NOx formation and is profitable from a thermodynamic, economic and ecological standpoint. The numerical analysis of thermal cycles, before and after the modification, has been carried out by means of an in-house COM-GAS code and Aspen Plus commercial package.

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Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Rynek Energii pages 161 - 167,
ISSN: 1425-5960
Language:
English
Publication year:
2012
Bibliographic description:
Ziółkowski P., Lemański M., Badur J., Nastałek L.: Power augmentation of PGE Gorzow's gas turbine by steam injection - thermodynamic overview// Rynek Energii. -., nr. nr 1 (2012), s.161-167
Verified by:
Gdańsk University of Technology

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