mdh.sePublikationer
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Integration of thermochemical heat storage with a municipal district heating system: In future scenario with large variations in electricity price
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.
2018 (Engelska)Självständigt arbete på avancerad nivå (masterexamen), 20 poäng / 30 hpStudentuppsats (Examensarbete)
Abstract [en]

This thesis investigates the feasibility and benefits of integrating Thermochemical heat Storage (THS) into a CHP (Combined Heat and Power) plant. A case study is done for the CHP-plant in Sala, Sweden, with a maximum heat output of 20.9 MW and maximum electricity output of 9.6 MW. The THS type considered is calcium oxide in a hydroxide system. The fluctuations in electricity price for years 2020, 2030 and 2040 are considered and low-price electricity is used as a charging source for THS. During charging the superheated steam (endothermic reaction) is used to cover some of the district heating demand. The high temperature discharge from the THS is used as reheat in the Rankine cycle. The operations are modeled in Ebsilon and optimization is done in MATLAB using genetic algorithm with the objective to achieve maximum annual revenue. The results suggest that it is not feasible to introduce THS with electricity as a charging source in year 2020, but in 2030 and 2040 THS shows promising potential. The biggest increase in revenue comes from reduced fuel consumption, and, to a lesser extent, increased income from electricity. It is concluded that Calcium hydroxide is a promising candidate for integration into CHP during large electricity price fluctuation. The main drivers for the feasibility of this combination are high fuel price and large fluctuations of electricity price.

Ort, förlag, år, upplaga, sidor
2018. , s. 63
Nyckelord [en]
CHP, Operation strategies, Energy Storage, Thermochemical Heat Storage, THS, Techno Economic, Optimization, District Heating, Merit order effect
Nationell ämneskategori
Energisystem
Identifikatorer
URN: urn:nbn:se:mdh:diva-39775OAI: oai:DiVA.org:mdh-39775DiVA, id: diva2:1217218
Externt samarbete
Rise research institute of Sweden
Ämne / kurs
Energiteknik
Presentation
2018-05-31, R1-302, HÖGSKOLEPLAN 1, 721 23, Västerås, 11:00 (Engelska)
Handledare
Examinatorer
Tillgänglig från: 2018-06-14 Skapad: 2018-06-12 Senast uppdaterad: 2018-06-14Bibliografiskt granskad

Open Access i DiVA

Integration of thermochemical heat storage with a municipal district heating system(2518 kB)144 nedladdningar
Filinformation
Filnamn FULLTEXT01.pdfFilstorlek 2518 kBChecksumma SHA-512
80bbf4cfb038e90a214245c2d90d4cc74b800184d3f83d115675f8dca98f86f8056ff0e5d1e8f3c9f4683e6f2ec8aa8a1c8492b9a553bcda69265ea7c130c562
Typ fulltextMimetyp application/pdf

Sök vidare i DiVA

Av författaren/redaktören
Farahmand Ghaffarpour, MehdiRos, Henrik
Av organisationen
Framtidens energi
Energisystem

Sök vidare utanför DiVA

GoogleGoogle Scholar
Totalt: 144 nedladdningar
Antalet nedladdningar är summan av nedladdningar för alla fulltexter. Det kan inkludera t.ex tidigare versioner som nu inte längre är tillgängliga.

urn-nbn

Altmetricpoäng

urn-nbn
Totalt: 1865 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf