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Optimering av solcellsdriven gatubelysning
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Biomedical Engineering and Health Systems, Health Informatics and Logistics.
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Biomedical Engineering and Health Systems, Health Informatics and Logistics.
2022 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
Optimization of solar-powered street lighting (English)
Abstract [sv]

Detta examensarbete riktar sig in på att undersöka olika typer av solceller, batterier och lampor för att ta fram och jämföra två system av solcellsdriven gatubelysning i Stockholm och Kiruna. Sverige befinner sig väldigt norr ut på jordklotet vilket innebär en stor kontrast i soltimmar under sommar- och vinterhalvåret.

Arbetets huvudsyfte är att ta fram ett solcellsdrivet system där energi genererad under sommaren kan lagras i ett batteri och sedan kompensera för energiunderskottet under vintern.

Resultaten visar att skillnaden av genererad energi är stor beroende på vilken solcell som används. Beroende på val av solceller skiljer sig även kravet på batterikapaciteten för respektive ort. Energiupptaget från solceller i Stockholm och Kiruna skiljer sig markant, detta beror på olikheten av globalstrålningen. 

Resultaten från kostnadsberäkningen visar att belysningssystemen som studeras i arbetet är dyrare i Kiruna än i Stockholm, detta beror på skillnaden i krav på batterikapacitet utifrån genererad energi från solcellerna. Val av batteri- och solcellstyp har även en påverkan på kostnaden.

Abstract [en]

This thesis focuses on examining different types of solar cells, batteries, and lamps to develop and compare two systems of solar-powered street lighting in Stockholm and Kiruna. Sweden is located very north of the globe, which means a great contrast in sunny hours during the summer and winter months.

The main purpose of the study is to develop a solar-powered system where energy generated during the summer can be stored in a battery and then compensate for the energy deficit during the winter.

The results show that the difference in generated energy is large depending on which solar cell is used. Depending on the choice of solar cells, the requirement for battery capacity for each location also differs. The energy uptake from solar cells in Stockholm and Kiruna differs significantly, this is due to the difference in global radiation.

The results from the cost calculations show that the lighting systems studied in the thesis are more expensive in Kiruna than in Stockholm, this is due to the difference in requirements for battery capacity based on the energy generated from the solar cells. The choice of battery and solar cell type also has an impact on the cost.

Place, publisher, year, edition, pages
2022. , p. 61
Series
TRITA-CBH-GRU ; 2022:072
Keywords [en]
Solarcells, batteries, energy, solar powered lighting, system
Keywords [sv]
Solceller, batterier, energi, solcellsdriven belysning, system
National Category
Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-313668OAI: oai:DiVA.org:kth-313668DiVA, id: diva2:1666851
Subject / course
Electric Power Systems; Electric Power Systems
Educational program
Bachelor of Science in Engineering - Electrical Engineering; Bachelor of Science in Engineering - Electrical Engineering and Economics
Supervisors
Examiners
Available from: 2022-06-09 Created: 2022-06-09 Last updated: 2022-06-25Bibliographically approved

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