Simuleringsbaserad analys av toppeffektreducering med batterisystem i lokalnät
2019 (Swedish)Independent thesis Basic level (university diploma), 15 credits / 22,5 HE credits
Student thesisAlternative title
Simulation based analysis of peak shaving with battery energy storage system in residential distribution network (English)
Abstract [en]
In this thesis, a simulation model developed in MATLAB® in consideration of system losses based on lithium ion-battery is presented. The purpose of the simulation model is to investigate peak shaving potential in the residential distribution network. In other word to determine an optimal threshold limit and battery capacity depending on if the battery system is placed at the transformer or household level. In the report there were economic calculations executed showing that profitability of investing in a battery system depends on the threshold limit and battery capacity.
Abstract [sv]
I denna rapport presenteras analys av toppeffektreducering med ett simuleringsprogram baserad på litium-jon batteri med hänsyn till systemförlust. Simuleringsmodellen är uppbyggd i MATLAB® där metoder som Coulomb counting implementerades. Syftet med simuleringsprogrammet är att definiera en optimal tröskelgräns samt batterikapacitet på transformator- och hushållsnivån. I rapporten utfördes ekonomiska beräkningar som tyder på att lönsamheten för investering av ett batterisystem beror på tröskelgräns och batterikapacitet.
Place, publisher, year, edition, pages
2019.
Keywords [en]
Peak shaving, BESS, Battery energy storage system, Coulomb counting, Simulation, Lithium-ion battery, MATLAB.
Keywords [sv]
Reducering av effekttoppen, Batterisystem, Litium-jon batteri, Simulering, MATLAB.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kau:diva-74450OAI: oai:DiVA.org:kau-74450DiVA, id: diva2:1344742
External cooperation
Karlstads El- och Stadsnät
Subject / course
Electrical Engineering
Educational program
Electrical Engineering, 180hp
Presentation
, Karlstad (Swedish)
Supervisors
Examiners
2019-08-222019-08-212019-08-22Bibliographically approved