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Syngas 및 수소연료를 이용한 복합화력발전 성능해석
차규상(K.S. Cha),이종준(J.J. Lee),손정락(J.L. Sohn),김동섭(T.S. Kim),주용진(Y.J. Joo) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
In addition to natural gas, various gaseous fuels can be used as fuel in the combined cycle power plant. A typical example is the syngas produced by the gasification of coal. The gasification enables effective and environment friendly utilization of the coal that is the most abundant fossil fuel. When the fuel is converted from the natural gas to the syngas, the gas turbine operating condition and performance will be changed, because gas flow increases due to increased fuel flow and the gas property changes as well. Those factors affect the design performance of the bottoming cycle that increases the bottoming cycle power and combined cycle efficiency. Increasing hydrogen composition of the syngas increases the cycle performance only slightly. In this study, The design performance of the bottoming cycles based on natural gas and a typical syngas as well as pure hydrogen have been comparatively analysed.
이종준(Lee, J.J.),차규상(Cha, K.S.),손정락(Sohn, J.L.),김동섭(Kim, T.S.) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
Integrated Gasification Combined Cycle (IGCC) power plant converts coal to syngas, which is mainly composed with hydrogen and carbon monoxide, by the gasification process and produces electric power by the gas and steam turbine combined cycle power plant. The purpose of this study is to investigate the influence of the syngas to the performance of a gas turbine in a combined cycle power plant. For this purpose, a commercial gas turbine is selected and its performance characteristics are analyzed with syngas. It is found that different heating values of those fuels and chemical compositions in their combustion gases are the causes in the different performance characteristics. Also, Changing of turbine inlet Mass flow lead to change the turbine matching point, in the event the pressure ratio is changed.