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Optimering av solcellssystem och implementering av ett Energy Management System: Möjligheter för ett framtida bostadsområde
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2015 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Riksbyggen, one of Sweden’s largest real estate companies, are planning to build a new residential area outside Uppsala, Sweden. Adjacent to the houses in the area, Riksbyggen are considering installing a 137 kWp photovoltaic (PV) system to supply the residents with renewable energy.

In the first part of this study, the proposed PV system is analyzed based on benefits and profitability for the residents, using the software HOMER. Possibilities for including 3 kWp roof-mounted PV systems with varying azimuth as a complement to the larger system are evaluated.

In the second part, options for implementing an Energy Management System (EMS) with battery storage or load shifting in the distribution grid using MATLAB. The system uses forecasting of PV generation, electricity prices and electricity demand to optimize the system control strategies.

The results from the study indicate that installation of the 137 kWp PV system could lead to reduced average electricity costs of 21,1 % for the residents. If the system is completed with roof-mounted PV modules of varying azimuth for 12 % of the households in the area, the average electricity cost is reduced by 29,4 %in total.

Implementing an EMS with energy storage in the distribution grid was not found to be an economically viable option, mainly due to high energy storage costs. The system control strategies can be improved by using forecasting. The economic benefits of load shifting for a single household were found to be too low to give incentive for system investment.

Place, publisher, year, edition, pages
2015. , 161 p.
Series
UPTEC ES, ISSN 1650-8300 ; 15026
Keyword [sv]
Solenergi, Solceller, Energy Management System, EMS, Prognosstyrning
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:uu:diva-258130OAI: oai:DiVA.org:uu-258130DiVA: diva2:841128
External cooperation
STUNS Energi och Riksbyggen
Educational program
Master Programme in Energy Systems Engineering
Supervisors
Examiners
Available from: 2015-08-28 Created: 2015-07-10 Last updated: 2015-08-28Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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