Generation of electric power and air conditioning by cogeneration: a proposal for energy saving

This paper presents the results of a case study carried out in a warehouse, and, in particular, the technical data obtained from field visits and a proposal for energy saving. The proposal entails incorporating a cogeneration system based on a motor generator (400 kWe ISO) to produce electrical ener...

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Bibliographic Details
Published in:Revista FI-UPTC 2018, Vol.27 (49), p.35-47
Main Author: Vera Romero, Iván
Format: Article
Language:English
Subjects:
Absorption cooling
ahorro de energía
Air conditioners
Air conditioning
análisis costo
beneficio
benefit analysis
Case studies
cogeneración
Cogeneration
consultoría energética
Cooling systems
cost
cost-benefit analysis
energetic consulting
Energy
Energy conservation
Energy consumption
energy savings
Investment
Payback periods
refrigeración por absorción
Residential energy
Viability
Warehouses
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Summary:This paper presents the results of a case study carried out in a warehouse, and, in particular, the technical data obtained from field visits and a proposal for energy saving. The proposal entails incorporating a cogeneration system based on a motor generator (400 kWe ISO) to produce electrical energy, and an absorption cooling system (75 TR) that uses residual heat to generate air-conditioning. The absorption chiller consumed 54% less energy than the conventional air-conditioning system. Moreover, the produced energy can supply the plant’s total consumption, in addition to offering an excess of 57,312 kWh per month, which was reflected in the analysis of energy for sale to users with a high domestic consumption rate (DAC, for its Spanish acronym). The proposal’s total investment is USD 1,091,258, with a net monthly savings of USD 30,901, and an investment payback period of 2.9 years, which indicates the viability of this project according to its energy characteristics, notwithstanding that it is for a service provider company.
ISSN:0121-1129
2357-5328
DOI:10.19053/01211129.v28.n49.2018.8546