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Impact of selected operating parameters and structure on thermalpower plant efficiency

Başlık çevirisi mevcut değil.

  1. Tez No: 786920
  2. Yazar: VAHAP BURAK DİZDAROĞLU
  3. Danışmanlar: DR. MARCİN WOLOWİCZ
  4. Tez Türü: Yüksek Lisans
  5. Konular: Elektrik ve Elektronik Mühendisliği, Electrical and Electronics Engineering
  6. Anahtar Kelimeler: Energy Efficiency, Steam Power Plant, Combined Power Plant, Fuel Consumption, CO2 emission, GateCycle Software
  7. Yıl: 2019
  8. Dil: İngilizce
  9. Üniversite: Warsaw University of Technology
  10. Enstitü: Yurtdışı Enstitü
  11. Ana Bilim Dalı: Belirtilmemiş.
  12. Bilim Dalı: Belirtilmemiş.
  13. Sayfa Sayısı: 109

Özet

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Özet (Çeviri)

Due to their limited existence in the world, fossil fuels cannot be considered as sustainable energy sources. In addition to their limited availability, consumption of these fuels also results in increased CO2 emissions, hence they cannot be considered environmentally friendly energy sources. In this respect, operation of thermal power plants needs to be optimized in order to maximize their overall efficiency. In this thesis, a single-stage thermal power plant located in Turkey has been analyzed. The selected thermal plant, namely Atlas Thermal Power Plant, uses coal as its energy source and has a nominal capacity of 600 MW. Currently, its operating efficiency at peak load is 42,11%. The operation of the plant under consideration has been modelled by using GateCycle software for analysis. Furthermore, the GateCycle program has been used in all the analysis carried out in this thesis. In order to determine the effects on the power output and overall efficiency of the power plant under various scenarios, including changes in the operating parameters and changes in the existing structure of the plant, comprehensive analyses and studies have been conducted. Together with the obtained results, the implementation of these scenarios is presented under three main categories. Firstly, the effects of changing various parameters on the operation of the existing single-stage cycle have been analyzed. Secondly, a gas cycle is added to the existing system to produce a combined cycle unit. The nominal output of this combined cycle has been set at 600 MW, the same as the existing single-stage cycle. In order to reach the set power output using the combined-cycle option, the operating values of several parameters have been changed in the analysis. In addition to these changes, the effect of each parameter on cycle performance has also been taken into consideration and evaluated in detail. Thirdly, the performance of the combined cycle variant has been analyzed in terms of power output and efficiency by adding additional components to the gas cycle part of it. Environmental impact of all implemented scenarios has been reviewed. First, annual fuel consumption and annual CO2 emissions values were calculated for each scenario separately. Later, relevant scenarios were analyzed among themselves for further comparison. In addition, by employing different fuel types as energy source, fuel consumption and relevant CO2 emission values were also calculated and discussed for the existing power plant operating at fixed power output.

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