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Beredning av lokalnät vid Myrvägen i Håverud
University West, Department of Engineering Science.
2019 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Preparation of an electricity distribution network in Håverud (English)
Abstract [sv]

Detta arbete omfattar en beredning av ett lokalnät i ett tätbebyggt område med 32 villor i Håverud, Dalsland. Förändringen av lokalnätet görs på uppdrag av nätägaren Vattenfall Eldistribution AB för att ge en bättre elkvalitet för lågspänningsabonnenterna i området. Abonnenterna har problem med underspänning på grund av långa lågspänningsledningar. Förbättringarna som ska göras på nätet omfattar i första hand en ny nätstation av märket Kl-industri med en 200 kVA distributionstransformator. Åtta kabelskåp byts ut samt ett kabelskåp raseras helt. De nya nätdelarna omfattar 400 m mellanspänningskabel samt ca 350 m lågspänningskabel. En styrd borrning på ca 75 m görs under en järnväg samt en allmän väg. Förändringarna i nätet kommer enligt beräkningar gjorda med Vattenfalls datorsystem Netbas att åtgärda alla problem med underspänningar för abonnenterna. En kostnadskalkyl enligt EBRs kostnadskatalog P2 visar på en kostnad för projektet på 1,16Mkr.

Abstract [en]

This thesis covers a preparation for improvements of an electric grid in an area of 32 houses in a small town called Håverud. The change in the local grid is made on the order of the grid owner Vattenfall in order to give a better electric quality for the low voltage consumers in the area. Several consumers in the area suffered from low voltage caused by long cable distances of low voltage cables. The improvements that will be done on the electricity grid include a new substation will be built that contains a 200-kVA transformer. Several cable cabinets in the area are aged and old-fashioned which means they need to be replaced. Eight cable cabinets will be replaced with new ones and one cable cabinet will be removed completely. The new parts of the grid include 400-meters of medium voltage cable and 350-meters low voltage cable. A 75-meter guided drilling is done underneath a railway line and a public road. The changes in the net will according to Vattenfall’s computer system Netbas solve the problems of too low voltages for the consumers. A cost calculation was done using EBR’s P2 cost catalog. The total cost of the project will amount to 1.16 MSEK.

Place, publisher, year, edition, pages
2019. , p. 26
Keywords [sv]
Lokalnät, Dalsland, eldistribution
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hv:diva-14121Local ID: EXH300OAI: oai:DiVA.org:hv-14121DiVA, id: diva2:1337791
Subject / course
Electrotechnology
Educational program
Elkraft
Supervisors
Examiners
Available from: 2019-07-23 Created: 2019-07-17 Last updated: 2019-07-23Bibliographically approved

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