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This paper presents the improved design of a 25 MW gas turbine power plant at Omoku in the Niger Delta area of Nigeria, using combined cycle application. It entails retrofitting a steam bottoming plant to the existing 25 MW gas turbine plant by incorporating a heat recovery steam generator. The focus is to improve performance as well as reduction in total emission to the environment.

Direct data collection was performed from the HMI monitoring screen, log books and manufacturer’s manual. Employing the application of MATLAB, the thermodynamics equations were modeled and appropriate parameters of the various components of the steam turbine power plant were determined. The results show that the combined cycle system had a total power output of 37.9 MW, made up of 25.0 MW from the gas turbine power plant and 12.9 MW (an increase of about 51%) from the steam turbine plant, having an HRSG, condenser and feed pump capacities of 42.46 MW, 29.61 MW and 1.76 MW respectively. The condenser cooling water parameters include a mass flow of 1180.42 kg/s, inlet and outlet temperatures of 29.8 °C and 35.8 °C respectively. The cycle efficiency of the dry mode gas turbine was 26.6% whereas, after modification, the combined cycle power plant overall efficiency is 48.8% (about 84% increases). Hence, SIEMENS steam turbine product of MODEL: SST-150 was recommended as the steam bottoming plant. Also the work reveals that a heat flow of about 42.46 MW which was otherwise being wasted in the exhaust gas of the 25 MW gas turbine power plant could be converted to 12.9 MW of electric power, thus reducing the total emission to the environment.

References Rao, S. And Parulekar, B.B. (2007) Energy Technology: Non-Conventional, Renewable and Conventional. Khanna Publishers, Naisarak, Delhi.Mohamed, K.M. (2005) Parametric Analysis of Advanced Combined Power Generation Systems. Thesis, University of New Brunswick.German Advisory Council on Global Change (WBGU) (2011) World in Transition-Towards Sustainable Energy Systems. And Kreith, F.

(2008) Energy Conversion. CRC Press, Taylor & Francis Group, Boca Ranton, London, New York.Yadav, R.

(2009) Steam and Gas Turbine and Power Plant Engineering. Central Publishing House, Allahabad.Anheden, M. (2000) Analysis of Gas Turbine System for Sustainable Energy Conversion.

Thesis, Royal Institute of Technology, Stockholm.Nkoi, B., Pericles, P. And Theorklis, N. (2013) Performance Assessment of Simple and Modified Cycle Turboshaft Gas Turbine. Propulsion and Power Research, 2, 96-106. R., Ebrahimi, S.H.

And Ziaeimoghadam, H.R. (2013) Efficiency Improvement Methods of Gas Turbine.

Energy and Environmental Engineering, 1, 36-54.Ahmed, S.Y. (2013) Performance of the Combined Gas Turbine-Steam Cycle for Power Generation. Mathematical Theory and Modeling, 3, 12.Korobitsyn, M.A. (1998) New and Advanced Energy Conversion Technologies.

Analysis of Cogeneration, Combined and Integrated Cycles. Febodruk BV.Lebele-Alawa, B.T., Hart, H.I., Ogagi, S.O.T. And Probert, S.D. (2008) Rotor-Blades’ Profile Influence on a Gas Turbine Compressor Effectiveness. Applied Energy, 85, 494-505.

And Jo-Appah, V. (2015) Thermodynamic Performance Analysis of a Gas Turbine in an Equatorial Rain Forest Environment. Journal of Power and Energy Engineering, 3, 11-23.A. And Stenzel, W. (2000) Combined Cycle Heat Recovery Optimization. Proceedings of 2000 International Joint Power Generation Conference, Miami Beach, 23-26 July 2000, 1781-1787.Armando, A.

(2013) Optimization of Maputo Power Plant. Master of Science Thesis KTH School of Industrial Engineering and Management Energy Technology, STOCKHOLM.Jehar and Associates.

Steam And Gas Turbine By R Yadav Ebooking 2017

Introduction to HRSG design. Www.hrsgdesign.comKehlhoffer, R.

(1997) Combined Cycle Gas and Steam Turbine Power Plants. Penn Well Publishing Company, Oklahoma.Aref, P. (2012) Development of Framework for Thermo-Economic Optimization of Simple and Combined Gas Turbine Cycles. Thesis, School of Engineering, Cranfield University, Bedfordshire.Service Manual (Gas Turbine MS 5001) of 25 MW Unit of Omoku Power Generation Station.

Steam And Gas Turbine By R Yadav Ebooking Video

GEPS Oil & Gas, Nuovo Pignone, Volume 1; G.T Description, Instruction & Operation.Nag, P.K. (2011) Power Plant Engineering. 3rd Edition, Tata McGraw-Hill Education Private Limited, New Delhi.

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Article citationsYadav, R. (2009) Steam and Gas Turbine and Power Plant Engineering. Central Publishing House, Allahabad.has been cited by the following article:.TITLE:AUTHORS:,KEYWORDS:,JOURNAL NAME:,July21,2015ABSTRACT: This paper presents the improved design of a 25 MW gas turbine power plant at Omoku in the Niger Delta area of Nigeria, using combined cycle application.

It entails retrofitting a steam bottoming plant to the existing 25 MW gas turbine plant by incorporating a heat recovery steam generator. The focus is to improve performance as well as reduction in total emission to the environment. Direct data collection was performed from the HMI monitoring screen, log books and manufacturer’s manual. Employing the application of MATLAB, the thermodynamics equations were modeled and appropriate parameters of the various components of the steam turbine power plant were determined.

The results show that the combined cycle system had a total power output of 37.9 MW, made up of 25.0 MW from the gas turbine power plant and 12.9 MW (an increase of about 51%) from the steam turbine plant, having an HRSG, condenser and feed pump capacities of 42.46 MW, 29.61 MW and 1.76 MW respectively. The condenser cooling water parameters include a mass flow of 1180.42 kg/s, inlet and outlet temperatures of 29.8°C and 35.8°C respectively. The cycle efficiency of the dry mode gas turbine was 26.6% whereas, after modification, the combined cycle power plant overall efficiency is 48.8% (about 84% increases). Hence, SIEMENS steam turbine product of MODEL: SST-150 was recommended as the steam bottoming plant.

Also the work reveals that a heat flow of about 42.46 MW which was otherwise being wasted in the exhaust gas of the 25 MW gas turbine power plant could be converted to 12.9 MW of electric power, thus reducing the total emission to the environment.