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Teknisk utvärdering av befintliga och potentiella teknologier för automatisk frekvensreglering i det svenska elnätet
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Elektricitetslära.
2019 (svensk)Independent thesis Advanced level (professional degree), 20 poäng / 30 hpOppgave
Abstract [en]

The increasing amount of renewable energy in the power system have led to new challenges to balance supply and demand in the electric grid. To maintain the balance in the power system the system operator can activate power reserves to restore the balance at a frequency deviation. Today these reserves consist exclusively of hydropower in Sweden. With more volatile power generation new types of technologies to provide these reserves are desirable.

The aim of this master thesis is to investigate the technical potential for using wind power, demand response and energy storage for automatic frequency control in the Swedish power system. The thesis examines the performance of the different technologies to see if they meet the technical requirements for delivering reserves set by the TSO. Moreover, the available capacity from the technologies throughout the year are estimated.

The results show that all three technologies potentially could be used for frequency control. However, the technical requirements are not always fulfilled. In order to enable new technologies to provide power reserves some of the requirements needs to be modernized. Generally, demand response proved to have the largest available capacity for frequency control today. The study shows that demand response from industries and electric heated households could potentially provide all automatic frequency control. Modern wind turbines can be used for frequency control and for down regulation of the frequency the potential is considerable. Energy storages are not yet widely used in Sweden but with reduced costs they can play an important role in regulating the frequency in the future.  

sted, utgiver, år, opplag, sider
2019. , s. 61
Serie
UPTEC ES, ISSN 1650-8300 ; 19015
Emneord [sv]
Förbrukningsflexibilitet, energilager, vindkraft, automatisk frekvensreglering, reserver, FCR, aFRR
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-386393OAI: oai:DiVA.org:uu-386393DiVA, id: diva2:1327430
Eksternt samarbeid
Svenska kraftnät
Utdanningsprogram
Master Programme in Energy Systems Engineering
Veileder
Examiner
Tilgjengelig fra: 2019-06-20 Laget: 2019-06-19 Sist oppdatert: 2019-06-20bibliografisk kontrollert

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