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논문 기본 정보

자료유형
학술저널
저자정보
김규생 (우송정보대학)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제27권 제10호
발행연도
2015.10
수록면
544 - 551 (8page)

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초록· 키워드

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This study was conducted to determine the LCC of apartment complexes with district heating and a cogeneration system. For the purpose of analyzing LCC according to the size of the apartment complex, 500, 1,500, and 4,000-unit model apartments were selected. Analysis was performed on the design of the heating system and the life cycle cost including total construction cost, maintenance and operation cost for the duration of the project period (15 years). According to the calculated results,
1) The initial cost of the cogeneration system for 500, 1,500, and 4,000-unit apartments is higher than that of the district heating system by 20%, 13%, and 12%, respectively.
2) In the case of the cogeneration system, the payback period by electric generation was found to be 5.21, 4.92 and 4.47 years, and saving cost was calculated to be 29 billion won, 94 billion won and 262 billion won after the payback period for 500, 1,500, and 4,000-unit apartments, respectively.
3) The LCC values of the cogeneration system were 1.12, 1.07 and 1.06 times larger than those of the district system according to the size of the apartment complex. In this study, the district heating system was found to be more efficient than the cogeneration system in terms of LCC reduction.
4) District heating is affected by fuel bills, so energy efficiency should be improved through recovering waste heat (incineration heat, etc.). Also, district cooling should be provided according to heat use to keep the temperature high in winter and low in summer.

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Abstract
1. 서론
2. 모델아파트의 설계
3. 모델아파트의 지역난방 설계
4. 모델 아파트의 소형열병합 발전 설계
5. 모델 아파트의 지역난방 및 소형열병합 발전의 총 투자비 비교
6. 지역난방 및 소형열병합발전 경제성 평가
7. 결론
References

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UCI(KEPA) : I410-ECN-0101-2016-553-001973469