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Automatisering av faskompensering i LKAB Malmberget
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2019 (Swedish)Independent thesis Basic level (professional degree), 180 HE creditsStudent thesis
Abstract [en]

The work proposes an update in the maneuvering of the capacitator filters in the 400/690 V substations. Two of the capacitator filters are not in operation due to missing control circuits which we have constructed electrical schematics for. Also I have constructed a draft for the maneuvering of 5 capacitator filters on the 6 kV electrical grid but it´s not commissioned. The work also resulted in a proposition that the three capacitator filters which were bought after the substation fire in 2008 are installed for a cost of 550 thousand Swedish kronor, the proposition will theoretically yield a yearly decrease of outlay by 160 thousand Swedish kronor.

Abstract [sv]

Arbetet har resulterat i en uppdatering av styrningen för de kondensatorfilter som finns i 400/690 V ställverken. Det är även framtaget kretsscheman för att kunna ta i drift två kondensatorfilter som ej varit i drift sedan tidigare. Det är framtaget ett förslag för styrning av 5 stycken kondensatorfilter på 6 kV-nätet men det är ej implementerat. Det är även framtaget ett förslag att installera de 3 kondensatorfilter som blivit inköpta efter ställverksbranden 2008 men som inte blivit installerade. Investeringen skulle kosta 550 tusen kronor och minskar teoretiskt den årliga kostnaden med 160 tusen kronor.

Place, publisher, year, edition, pages
2019. , p. 37
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ltu:diva-75544OAI: oai:DiVA.org:ltu-75544DiVA, id: diva2:1343221
Subject / course
Student thesis, at least 15 credits
Educational program
Electrical Power, bachelor's level
Presentation
2019-06-06, 17:40 (Swedish)
Supervisors
Examiners
Available from: 2019-08-16 Created: 2019-08-15 Last updated: 2019-08-16Bibliographically approved

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fulltext(1797 kB)7 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
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