지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 鄭眞澤
- 발행연도
- 2014
- 저작권
- 고려대학교 논문은 저작권에 의해 보호받습니다.
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이 논문의 연구 히스토리 (2)
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초록· 키워드
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Gas turbine CHP system is one of the best ways to use energy efficiently and solve environmental problems. But as the ambient temperature during summer increases, performance of gas turbine will be decreased. Also, due to the lack of steam demand, the handling of remaining steam will be an issue. Therefore, this study shows the performance enhancement of gas turbine power generation system using remaining heat of CHP. The first purpose of this study is to analyze the performance of the hybrid system consisting of steam injection and absorption chiller air cooling method. This study focused on the performance improvement and effective efficiency of gas turbine CHP system by considering compressor surge limit and cooling temperature.
The second purpose is to compare the performance and economic evaluation for analyzing benefit of several systems
At 30℃, the power output of the hybrid system improved 40% compared to the existing CHP system and the heat used ratio reached 82%. The system has 7.96 years of payback period and 77.27 won/kWh of LCOE. It can be proven to be most advantageous.
The second purpose is to compare the performance and economic evaluation for analyzing benefit of several systems
At 30℃, the power output of the hybrid system improved 40% compared to the existing CHP system and the heat used ratio reached 82%. The system has 7.96 years of payback period and 77.27 won/kWh of LCOE. It can be proven to be most advantageous.
목차
목차 ·················································································································· ⅱList of Figures ······························································································ ⅳList of Tables ······························································································· ⅶNomenclature ································································································· ⅷ제 1 장 서 론 ······················································································ 11. 1 연구 배경 및 관련 연구 동향 ····················································· 11. 2 연구 목적 및 내용········································································· 5제 2 장 모델링 ···················································································· 62. 1 GateCycle ························································································· 62. 2 시스템 ······························································································· 82. 3 가스터빈 모델링············································································· 102. 3. 1 가스터빈 설계 모델링 ···································································· 102. 3. 2 가스터빈 탈설계 모델링 ································································ 132. 4 HRSG 모델링·················································································· 152. 5 흡수식 칠러 냉각 시스템 모델링··············································· 172. 6 시스템 성능 ····················································································· 19제 3 장 시스템 성능 비교 및 경제성 평가 ·································· 203. 1 시스템 성능 비교··········································································· 203. 1. 1 비교 시스템 ······················································································ 203. 1. 2 비교 모델링 조건 ············································································ 223. 2 경제성 분석 ····················································································· 233. 2. 1 경제성 평가 방법 ············································································ 233. 2. 2 경제성 평가 순서 ············································································ 25제 4 장 결과 및 고찰 ········································································ 314. 1 모델링 검증 ····················································································· 314. 2 증기분사 가스터빈(STIG) 열병합발전 시스템 성능·············· 324. 2. 1 증기분사량에 따른 성능변화 ························································ 324. 2. 2 외기온도 변화에 따른 성능변화 ·················································· 344. 3 흡수식 칠러 냉각 시스템(ACCS)의 성능································· 414. 4 STIG와 ACCS의 결합에 의한 성능·········································· 454. 5 여러 시스템 성능 비교································································· 494. 5. 1 출력 비교 (Net Plant Output) ····················································· 494. 5. 2 효율 비교 (Net Plant Efficiency) ················································ 514. 6 경제성 분석 ····················································································· 52제 5 장 결론 ························································································ 54참 고 문 헌 ·························································································· 56
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