Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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
  • html
  • text
  • asciidoc
  • rtf
Risk- och sårbarhetsanalyser för smarta elnät
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2012 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The electrical grid needs to be changed in the future in order to manage more distributed and renewable generation and also to make it possible for electricity consumers to be more active and aware of their electricity consumption. This future grid is usually referred to as a smart grid. With the transition to a smart grid, new challenges occur. One method to determine those challenges is to perform risk and vulnerability analyses. InStockholm, the new urban district Stockholm Royal Seaport is built. The district has a strong environmental profile and the electricity grid in the area is formed into a smart grid. Responsible for constructing the smart grid is Fortum.

The purpose of this master thesis has been to develop a method for risk and vulnerability analyses for smart grids. To achieve the purpose, the following questions have been answered:

  • What are the risks and challenges in a smart grid?
  • What do current methods for risk and vulnerability analyses for electricity networks look like?
  • How can a method be developed for risk and vulnerability analyses for smart grids?
  • What are the risks in the smart grid in Stockholm Royal Seaport?

Focus in the thesis has been on distribution level and risks that lead to power outages. Some of the smart grid technologies, such as energy storage, will not be included in the early stages in the development of the smart grid in Stockholm Royal Seaport, and are not addressed in this thesis. The risks that have been identified for smart grids are mainly about challenges in communication and how information is handled, maintenance, and the transition of the grid structure.

Electricity companies perform risk and vulnerability analyses for their electrical networks regarding delivery security. This means that the risks examined are such that if they do occur they can lead to power outages that lasts more than 24 hours, or shorter depending on power load. The risks are divided into five different categories and the consequences of the risks are determined after how long time it takes to fix them when they have led to a power outage.

To obtain a functioning method for risk and vulnerability analyses for smart grids an additional category has been added. This category is called information security and includes risks related to information and communication technology.

The method has been tested on the intended grid in Stockholm Royal Seaport. The most important risks that have been identified in the smart grid are integration of new components and systems, cooperation between participants, lack of information management and interruption in communication network.

Place, publisher, year, edition, pages
2012.
Series
UPTEC STS, ISSN 1650-8319 ; 12007
Keyword [sv]
smarta elnät, riskanalys, sårbarhetsanalys
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:uu:diva-173711OAI: oai:DiVA.org:uu-173711DiVA: diva2:546419
External cooperation
Fortum
Educational program
Systems in Technology and Society Programme
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-10-15 Created: 2012-05-03 Last updated: 2012-10-15Bibliographically approved

Open Access in DiVA

fulltext(1084 kB)371 downloads
File information
File name FULLTEXT01.pdfFile size 1084 kBChecksum SHA-512
9f499aefca0f88228c79dfa60cab2935f3754a5ff33512843249bed68d1912ff0308fd626ce2295e3142243ee59a20034b721642fcb9cc8903b2ee4d753d6c57
Type fulltextMimetype application/pdf

By organisation
Department of Engineering Sciences
Other Engineering and Technologies not elsewhere specified

Search outside of DiVA

GoogleGoogle Scholar
Total: 371 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 641 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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
  • html
  • text
  • asciidoc
  • rtf