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LCC 분석을 고려한 일반 시설물에서 소형열병합발전의 최적 설계

Optimal Design of Cogeneration System for General Facilities Considering LCC Analysis


Cogeneration system produces power as well as heat recovered from waste heat during power generation process. This system has higher energy efficiency than that of the power plant. In this study the optimal design for the cogeneration system with the increase of the capacity considering life cycle cost(LCC) analysis has been performed in the general facilities such as hotels and hospitals under the assumption of electricity cost of 95 won/kWh, the initial cost of cogeneration system of 1,500,000 won!kW and the value of 0.5${\sim}$1.0 in the ratio of heat to power. The optimal ratio of cogeneration capacity divided by average electricity load of facility was found out more than 0.5 in case of electricity cost with the increase of>30%, and the percentage of $CO_2$ reduction was about 9%. The most important factors in the economic analysis of cogeneration system was found out the electrity cost and the initial cost of cogeneration system. Also the ratio of heat to power at the value of>0.5 was not affected in the economy of cogeneration system, but was very important in the $CO_2$ reduction.

참고문헌 (10)

  1. Panno, D., Messineo, A. and Dispenza, A., 2007, Cogeneration plant in a pasta factory: Energy saving and environmental benefit, Energy, Vol. 32, pp. 746-754 
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  3. Monteiro, E., Moreira, N. and A. Ferreira, S., 2008, Planning of micro-combined heat and power systems in the Portuguese scenario, Appiled Energy, In Press 
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  7. Seo, H., Sung, J., Oh, S., Oh, H. and Kwak, H., 2008, Economic optimization of a cogeneration system for apartment houses in Korea, Energy and Buildings, Vol. 40, pp. 961-967 
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  10. Kim, G., Cheong, S., Joo, H., Ahn, Y. and Lee, J., 2007, Economic Analysis of Heat Pump System through Actual Operation, Korean Journal of Air-Condtioning and Refrigeration Engineering, Vol. 19, No. 6, pp. 470-475 

이 논문을 인용한 문헌 (1)

  1. Han, Hwa-Taik ; Lee, Dae-Young ; Kim, Seo Young ; Choi, Jong-Min ; Baik, Yong-Kyu ; Kwon, Young-Chul 2010. "Recent Progress in Air-Conditioning and Refrigeration Research : A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2009" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 22(7): 492~507 


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