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가스터빈 고효율화 기술적용에 따른 복합화력발전소의 성능 특성 연구
김창주(Chang Ju Kim),원주목(Ju Mok Won),손창민(Chang Min Son) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Combined cycle power (CCP) plant using LNG plays key role in electric supply including nuclear and coal power generation systems. Power reduction of gas turbine during summer can be recovered if gas turbine intake cooling system can be implemented in existing LNG based CCP plants. Furthermore, steam injection, turbine cooling air precooling and turbine case cooling technologies can be considered for enhancing power and efficiency of CCP plants. Such approaches are being widely studied in global gas turbine society. The present study aims to investigate net benefit of implementing those technologies for enhancing power and efficiency of an existing LNG based CCP. For performance comparison, (1) gas turbine intake cooling system, (2) steam injection, and (3) turbine cooling air precooling technologies are implemented to Busan LNG CCP plant