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How to supply bus stops with electricity without connecting them to the electricity grid
2013 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This Bachelor’s degree thesis has been performed on behalf of Upplands Lokaltrafik. The thesis aims to suggest a design of a stand-alone renewable power supply system for the bus stops in Uppland. Because of reorganization of Upplands Lokaltrafik and a change in the electricity act they now have to make the decision of either having the future bus stops connected to the electricity grid, with the requirement of installing an electricity meter at each bus stop, or to implement an off grid solution. Upplands Lokaltrafik has a goal of doubling the number of passengers until 2020 and as a part of reaching this goal the bus stops will be designed with electrical features. This thesis also aims to investigate the electricity demand for these future bus stops. The result of the study shows that a connection to the electricity grid and installation of an electricity meter means an investment cost of approximately 83 500 SEK or 123 500 SEK depending on how far cables have to be drawn. The solution with a photovoltaic system with a 180 Wp solar panel would result in an installation cost of 18 500 SEK, which would be both cheaper and more sustainable for the future. However, a photovoltaic system means higher maintenance and a higher risk of destruction. Depending on choice of batteries and the slope of solar panels, both maintenance and risk of vandalization could be diminished.

Place, publisher, year, edition, pages
2013. , 36 p.
TVE, 13011
Keyword [en]
solar cells, bus stop, stand-alone PV systems, off grid-connection
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-200891OAI: oai:DiVA.org:uu-200891DiVA: diva2:626331
External cooperation
Upplands Lokaltrafik
Subject / course
Sustainable development
Educational program
Systems in Technology and Society Programme
Available from: 2013-10-02 Created: 2013-06-04 Last updated: 2013-10-02Bibliographically approved

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