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Kapacitetsutnyttjande för Power-to-Heat i svenska fjärrvärmesystem: En studie med befintliga anläggningar i framtida energisystem
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
2018 (svensk)Independent thesis Advanced level (professional degree), 20 poäng / 30 hpOppgave
Abstract [en]

The installation of variable renewable energy sources has rapidly increased during the last decade in several countries. It is likely that it will also increase in Sweden. Such a development could lead to periods of very high power production. In order to keep the stability of the electric grid, curtailment is the most common feed-in management method. This study examines how Power-to-Heat can utilize this surplus power in Swedish district heating systems instead of using curtailments and thereby facilitate the development of installed variable renewable energy sources.

During this study a model was developed in MatLab where the capacity utilization was simulated for Power-to-Heat. The study indicates that the capacity utilization varies from 1,1–4,2 TWh electricity. In this scenario a share of the base load is substituted with new installed wind and solar power; 50 TWh respectively 10 TWh. The parameter that showed greatest sensitivity for the analysis were how the net power profile was simulated.

sted, utgiver, år, opplag, sider
2018. , s. 39
Serie
UPTEC ES, ISSN 1650-8300 ; 18 026
Emneord [en]
Power-to-Heat, District heating systems, wind power, solar power, renewable power production, Sweden
Emneord [sv]
Power-to-Heat, fjärrvärme, vindkraft, solkraft, förnybar elproduktion, Sverige
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-355101OAI: oai:DiVA.org:uu-355101DiVA, id: diva2:1224082
Utdanningsprogram
Master Programme in Energy Systems Engineering
Veileder
Examiner
Tilgjengelig fra: 2018-07-02 Laget: 2018-06-26 Sist oppdatert: 2018-07-02bibliografisk kontrollert

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