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Widespread integration of distributed photovoltaics at high latitudes: Opportunities and challenges
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. (Built Environment Energy Systems Group (BEESG))
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics. Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. (Built Environment Energy Systems Group (BEESG))
2011 (English)In: Proceedings of the 26th European Photovoltaic Solar Energy Conference (EU-PVSEC), Hamburg, Germany, September 5-9, 2011, 2011Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
2011.
National Category
Energy Systems
Research subject
Engineering Science
Identifiers
URN: urn:nbn:se:uu:diva-171804OAI: oai:DiVA.org:uu-171804DiVA: diva2:512451
Conference
26th European Photovoltaic Solar Energy Conference (EU-PVSEC), Hamburg, Germany, September 5-9, 2011
Available from: 2012-03-27 Created: 2012-03-27 Last updated: 2015-01-07Bibliographically approved
In thesis
1. Markov-chain modeling of energy users and electric vehicles: Applications to distributed photovoltaics
Open this publication in new window or tab >>Markov-chain modeling of energy users and electric vehicles: Applications to distributed photovoltaics
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Technological improvements and falling prices on photovoltaic panels andelectric vehicles suggest that they might become more common in future households.The introduction of a photovoltaic system and an electric vehiclehas considerable impact on the energy balance of a household. This licentiate thesis investigates the power consumption- and productionpatterns associated with the photovoltaic (PV) electricity production,household electricity consumption and home charged plug-in electric vehicle(PEV) electricity consumption. This investigation is carried out on both an individual and aggregate household level. The methodology used in this thesis is interdisciplinary but the maincontributions are mathematical modeling and simulations of the three main components. Theoretical estimates of electricityconsumption were constructed from extensions to the Wid\'{e}n Markov-chain model for generating synthetichousehold electricity use patterns. The main research contribution in thisthesis is the development and analysis of two extensions of this Markov-chain model: (I) Electricity use from a home charged PEV,(II) Flexibility of end-user power use. These two extensions were used in studiesregarding the coincidence - in particular the level of self-consumption - between PV electricityproduction and household electricity use. PV electricity production was modeledfrom high resolution solar irradiance data from the Ångström laboratory.\\Results show that the home charged PEV load would increase the household loadconsiderably. It was also shown that the level of correlation between PEV load and PVelectricity production was low, but that to some extent the PEV load could help increasethe self-consumption of PV power, both on individual and aggregate household level.\\The modeling and simulations of end-user flexibility showed that the householdload profile could be altered to a certain degree. It was also shown thatcertain flexibility setup could improve the self-consumption of PV power production, more so than theintroduction of a PEV.

Place, publisher, year, edition, pages
Uppsala: Uppsala universitet, 2012. 50 p.
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
urn:nbn:se:uu:diva-195824 (URN)
Presentation
2012-12-10, Häggsalen, Ångströmlaboratoriet, Uppsala, 13:15 (English)
Opponent
Supervisors
Available from: 2013-02-27 Created: 2013-02-27 Last updated: 2013-02-27Bibliographically approved

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Widén, JoakimMunkhammar, Joakim

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