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Mathematical Analysis of Uncertainty

Author(s): Angel GARRIDO

Journal: Annals of Dunarea de Jos
ISSN 1221-454X

Volume: 31;
Issue: 2;
Start page: 37;
Date: 2008;
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Keywords: cogeneration | trigeneration | fuel cell | renewable energy | efficiency

The current paper deals with the efficient use of the fossil fuels in the context of DER/DG concept through a unitary approach of the necessary electrical power and thermal energy of an urban peridency and proposes the use of micro-CCHP (trigeneration of electrical power, heat and cold).An analysis of the consumption structures of electrical power and natural gas is provided for the specific conditions of south-eastern regions of Romania. The paper contains a case study which highlights the imbalance between electrical and thermal consumption throughout a year. It also includes a strategy of projecting the micro-CCHP systems according to the ratio between generated electrical and thermal power (P/Pth) by the system and the same ratio for the consumers previously analyzed. The paper presents a proposed structures of micro-CCHP which have as basic thermal engines the fuel celll as well as the overall thermal result of the systems forecast for the critical seasons winter/summer.

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