Abstract
The paper deals with a case study for carried out in order to justify the installation of a gas cogeneration system fitted with an internal combustion engine, system used to supply electricity and heat to the users of an energy user which exceeds 1000 toe/year. 2 scenarios were therefore compared based on the energetic analysis:-the actual scenario in which energy is supplied from the National Energetic System.- the scenario in which a combined heat and power plant is used.The amount of energy saved yearly, the specific fuel consumption and the environmental impact were determined by the comparative study. The diagrams representing the variation of the performance indicators according to the operation period were also created. The usefulness of the paper consists in the creation of the yearly optimum installation operation time chart.
Highlights
Cogeneration defines those processes in which the useful electric energy and the thermal energy are simultaneously produced through fuel burning
The purpose of the present paper consists in creating a basis, focusing on a case study, for to the necessary steps required in order to justify the use of a gas cogeneration installation with a combustion engine destined for the supply with electricity and heat to the users of a certain company
The solution used to render the cogeneration group more efficient is proposed considering the energy usage chronogram
Summary
Cogeneration defines those processes in which the useful electric energy (or mechanical energy) and the thermal energy are simultaneously produced through fuel burning. The polluting emissions per useful energetic unit may be significantly reduced through cogeneration, corresponding to the economy of unused fuel, compared to the separate production of heat and electricity. The purpose of the present paper consists in creating a basis, focusing on a case study, for to the necessary steps required in order to justify the use of a gas cogeneration installation with a combustion engine destined for the supply with electricity and heat to the users of a certain company. In order to render the energetic source more efficient, to reduce the expenses as well as the environmental impact, the acquisition and installation of a cogeneration unit with a combustion engine is proposed. The obtained results are brought forward following the realisation of an hourly energetic balance:
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