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Thermodynamic and Economic Evaluation of Hybridization Biomass-solar for a Cogeneration Power Plant in a Cuban Sugar Mill, George Washington
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This study evaluates the thermodynamic and economic performance of hybridization of biomass-solar for a cogeneration power plant in a Cuban sugar mill, George Washington. The evaluation is performed by varying the parameters of the thermal power block and considering scenarios with 1) bagasse and marabú, 2) bagasse and solar field, and 3) bagasse, marabú and solar field as heat sources for the cogeneration cycle. The most feasible configuration combines all the three heat sources having the superheated steam parameters of 100 bar and 540 ⁰C and the solar field aperture area of 88,560 m2 using SkyTrough collectors. The NPV for the proposed system is 30.97 million USD which indicates that it is economically feasible and the LCOE of 0.091 USD/kWh is in the range of a typical LCOE for biomass electricity generation with a stoker boiler (0.06 – 0.21 USD/kWh).

Abstract [sv]

Denna studie utvärderar den termodynamiska och ekonomiska prestandan för hybridisering av biomassa och solenergi för ett kraftvärmeverk i ett kubanskt sockerbruk, George Washington. Utvärderingen utförs genom att variera parametrarna för kraftvärmecykeln och studera scenarier med 1) bagasse och marabú, 2) bagasse och solfält, och 3) bagasse, marabú och solfält som värmekällor för kraftvärmecykeln. Den rekommenderade konfigurationen kombinerar alla tre värmekällorna med överhettade ångparametrarna på 100 bar och 540 ⁰C och solfältets öppningsarea på 88,560 m2 med SkyTrough-solfångare. Nettonyvärdet för det föreslagna systemet är 30.97 miljoner USD vilket indikerar att förslaget är ekonomiskt genomförbart samt LCOE på 0.091 USD/kWh ligger inom en typisk LCOE för elproduktion av biomassa med en stoker panna (0.06 – 0.21 USD/kWh).

Place, publisher, year, edition, pages
2019. , p. 54
Series
TRITA-ITM-EX ; 2019:539
National Category
Engineering and Technology Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-259513OAI: oai:DiVA.org:kth-259513DiVA, id: diva2:1351673
External cooperation
Universidad Central de las Villas (UCLV)
Subject / course
Energy Technology
Educational program
Degree of Master
Presentation
2019-09-13, 00:00
Supervisors
Examiners
Available from: 2019-09-16 Created: 2019-09-16 Last updated: 2019-09-16Bibliographically approved

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