Abstract

FORERO-NUNEZ, Carlos-A.; EDUARDO-ARANGO, Jorge  and  SIERRA-VARGAS, Fabio-Emiro. Energy analysis of a 400 kWe power system operated on dual fuel mode with diesel-liquefied petroleum gas. Ingeniería Mecánica [online]. 2014, vol.17, n.3, pp. 205-215. ISSN 1815-5944.

The continuous increase of the fuel costs promoted the development of more efficient and flexible power systems, which could use alternative fuels such as liquefied petroleum gas (LPG). This work aimed to analyze the performance and environmental effect of a 400kWe power system fed with diesel and diesel-LGP on a dual fuel mode. The total electric efficiency of this system at his maximum load was 39,9 % with diesel and 35,1 % at a 28,5 % substitution level on a dual fuel mode. The addition of LPG decreased the CO2 emission index from 0,76 to 0,71 kgkWh-1. The proper behavior of this system on a dual fuel mode mitigated the environmental impact of diesel internal combustion engines, diversified the energy market, and reduced the power generation costs onto petroleum extraction wells.

Keywords : energy efficiency; diesel; LPG; dual fuel mode.

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