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Swarm grids - Innovation in rural electrification
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Energy Systems Analysis.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Access to clean and affordable energy is a prerequisite for human development. In order to achieve access to sustainable energy for all innovation in rural electrification is needed. Decentralized renewable energy technologies in form of Solar Home Systems and Mini-grids possess the potential of electrifying a large number of rural households which cannot be connected to the national grid with local available energy sources. However, the deployment of Mini-grids is facing barriers such as a lack of private investments. By building on already existing SHSs swarm grids can enable households to trade electricity and use their excess electricity to supply additional loads. Swarm grids as an evolutionary bottom-up approach to electrification can overcome some of the obstacles regular Mini-grids face and play a vital role in improving electricity access. As part of this thesis a model has been developed which allows for simulating the electricity flow including line losses in swarm grids of any size on an hourly basis. The model facilitates the gaining of a better understanding for the impact global parameters (e.g. distance between households) have on the feasibility of swarm grids. A field trip to Bangladesh has been undertaken in order to obtain input data for simulating different cases in the model created. The simulations performed indicate that in a swarm grid the generated excess energy of SHSs which so far is wasted can supply the demand of households without SHS as well as commercial loads such as irrigation pumps. Overall the results point towards swarm grids being an innovation with the potential of improving rural electricity access by building on existing infrastructure.

Place, publisher, year, edition, pages
2015. , 115 p.
Keyword [en]
Swarm grids, Rural electrification, Energy modelling, SHS, Mini-grids
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-172846OAI: oai:DiVA.org:kth-172846DiVA: diva2:850116
External cooperation
Sweco, SOLshare
Educational program
Master of Science - Environomical Pathways for Sustainable Energy Systems
Presentation
2015-08-20, HPT Library, Brinellvägen 68, Stockholm, 20:44 (English)
Supervisors
Examiners
Available from: 2015-10-20 Created: 2015-08-31 Last updated: 2015-10-20Bibliographically approved

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Hollberg Philipp 2015-072MSC(4992 kB)516 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
  • rtf