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Integrated Solar Combined Cycles vs Combined Gas Turbine to Bottoming Molten Salt Tower Plants - A Techno-economic Analysis
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
AF Aries Energia, Paseo Castellana 130,3th Floor, Madrid 28046, Spain..
AF Aries Energia, Paseo Castellana 130,3th Floor, Madrid 28046, Spain..
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2018 (English)In: INTERNATIONAL CONFERENCE ON CONCENTRATING SOLAR POWER AND CHEMICAL ENERGY SYSTEMS (SOLARPACES 2017) / [ed] Mancilla, R Richter, C, AMER INST PHYSICS , 2018, article id 180006-1Conference paper, Published paper (Refereed)
Abstract [en]

The present work deals with the techno-economic analysis of a novel combined power cycle consisting of a molten-salt solar tower power plant with storage supported by additional heat provided from the exhaust of a topping gas-turbine unit. A detailed model has been elaborated using in house simulation tools that simultaneously encompass meteorological, demand and required dispatch data. A range of possible designs are evaluated for a suitable location with both good solar resource and vast natural gas resources in order to show the trade-offs between the objectives of achieving low carbon-intensive and economically competitive designs. These were compared against more conventional integrated solar combined cycles of equivalent capacity factors. It is shown that the novel concept is worth further investigating as it is able to outperform the more conventional cycle while simultaneously offering additional flexibility to grid-operators.

Place, publisher, year, edition, pages
AMER INST PHYSICS , 2018. article id 180006-1
Series
AIP Conference Proceedings, ISSN 0094-243X ; 2033
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-257837DOI: 10.1063/1.5067178ISI: 000481681200169Scopus ID: 2-s2.0-85057129538ISBN: 978-0-7354-1757-1 (print)OAI: oai:DiVA.org:kth-257837DiVA, id: diva2:1348725
Conference
23rd International Conference on Concentrating Solar Power and Chemical Energy Systems (SolarPACES), SEP 26-29, 2017, Santiago, CHILE
Note

QC 20190905

Available from: 2019-09-05 Created: 2019-09-05 Last updated: 2019-10-21Bibliographically approved

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Guédez, RafaelLaumert, Björn

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