Blar i NTNU Open på forfatter "Thorvaldsen, Kasper Emil"
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An analysis of energy storage system with wind power for multi-market operation under uncertainty
Holte, Jon Hvideberg (Master thesis, 2020)En økende andel av uregulerte fornybare energikilder i dagens energimiks fører til at balanseringen av kraftproduksjon og -forbruk blir mer utfordrende. I den sammenheng identifiseres energilagring som en viktig teknologi ... -
Application of Stochastic Dual Dynamic Programming to evaluate long-term price signals in short-term optimisation of energy use in buildings
Christensen, Anne Marthe ter Woerds (Master thesis, 2022)Med et stort potensiale for reduksjon av energibruk i bygninger i tillegg til muligheter for kostnadsreduksjon for forbrukere, er det et behov for ulike løsninger som promoterer energieffektivitet i bygninger. En slik ... -
Impact of shared battery energy storage system on total system costs and power peak reduction in commercial buildings
Skoglund, Ida Emilie Uglem; Rostad, Mette; Thorvaldsen, Kasper Emil (Peer reviewed; Journal article, 2021)The power system is experiencing an increasing share of renewable and intermittent energy production and increasing electrification. However, these changes are creating high power peaks, are straining the grid and call for ... -
Impact of Shared Battery Energy Storage Systems on Total System Costs and Utilisation of Locally Produced Energy in Commercial Buildings
Rostad, Mette; Skoglund, Ida Emilie Uglem (Master thesis, 2021)Forbruket av elektrisk kraft og mengden distribuert produksjon av fornybar energi øker. Disse endringene fører til et behov for økt overføringskapasitet i kraftnettet, noe som igjen krever kostbare nettinvesteringer. Med ... -
Impact of Shared Battery Energy Storage Systems on Total System Costs and Utilisation of Locally Produced Energy in Commercial Buildings
Rostad, Mette; Skoglund, Ida Emilie Uglem (Master thesis, 2021)Forbruket av elektrisk kraft og mengden distribuert produksjon av fornybar energi øker. Disse endringene fører til et behov for økt overføringskapasitet i kraftnettet, noe som igjen krever kostbare nettinvesteringer. Med ... -
Innovasjonsrapport 2020. Forskningssenteret for nullutslippsområder i smarte byer (FME ZEN)
Bergsdal, Håvard; Sørensen, Åse Lekang; Cervenka, Zdena; Holm, Øystein; Thomsen, Judith; Sartori, Igor; Lindberg, Karen Byskov; Stokke, Raymond Andreas; De Boer, Luitzen; Hamdan, Hasan; Holmen, Elsebeth; Wiik, Marianne Rose Kjendseth; Backe, Stian; Kauko, Hanne; Georges, Laurent; Walnum, Harald Taxt; Lien, Synne Krekling; Skaar, Christofer; Wolfgang, Ove; Brattebø, Helge; Lausselet, Carine; Resch, Eirik; Sandberg, Nina Holck; Pinel, Dimitri; Thorvaldsen, Kasper Emil; Alonso, Maria Justo; Askeland, Magnus; Petersen, Sobah Abbas; Favero, Matteo; Carlucci, Salvatore; Liu, Peng (ZEN Report;, Research report, 2020)Forord. Forskning og innovasjon er grunnpilaren i vår visjon om å utvikle bærekraftige områder med null klimagassutslipp. Innovasjonskomiteen skal bistå senterledelsen i dette arbeidet gjennom å etablere gode innovasjonsprosesser ... -
Long-term operational planning for flexible residential buildings with seasonal storage and capacity-based grid tariffs
Thorvaldsen, Kasper Emil; Backe, Stian; Farahmand, Hossein (Peer reviewed; Journal article, 2024)When performing operation of the energy system in a building, it is difficult to accurately represent the uncertain long-term objectives in the short-term window, and the correlation between long-term objectives. This work ... -
A Long-term Strategy Framework for Flexible Energy Operation of Residential Buildings
Thorvaldsen, Kasper Emil (Doctoral theses at NTNU;2022:251, Doctoral thesis, 2022)Within the European power system, the electricity mix is experiencing more presence of variable power production due to the green shift. This shift causes increased need for flexibility measures to combat instability, which ... -
Long-term Value of Flexibility from Flexible Assets in Building Operation
Thorvaldsen, Kasper Emil; Korpås, Magnus; Farahmand, Hossein (Peer reviewed; Journal article, 2022)In this work, we investigate how flexible assets within a residential building influence the long-term impact of operation. We use a measured-peak grid tariff (MPGT) that puts a cost on the highest single-hour peak import ... -
Multi-Market Optimization of Energy Storage Taking Into Account Uncertainty
Thorvaldsen, Kasper Emil (Master thesis, 2018)In this master thesis, the main focus has been to create an optimization model for an energy storage unit to consider the potential of storing energy for future use, when also operating in both the energy and balancing ... -
Multimarket Services for Stationary Batteries - Considering Activation of Frequency Containment Normal Operation Reserves
Olsen, Ingvild Eline (Master thesis, 2023)Kraftsystemet er i endring; fra et sentralisert system til et desentralisert system [1]. Endringen drives av behovet for å begrense klimaendringer og imøtekomme samfunnets økende behov for elektrisitet. Som følge av dette ... -
Optimal Operation of Flexible Assets in a Residential Energy System: A Rolling Horizon Approach
Tvedt, Mikal-André (Master thesis, 2022)I nyere tid har løsninger for sluttbrukerfleksibilitet i etterspørselen etter strøm blitt tilgjengelige for private holdninger. Sammen med incentivordninger kan fleksible enheter generere langsiktig verdi for husholdning ... -
Optimisation of cost and emissions of an EV parking lot within a Zero Emission Neighbourhood by utilising demand response programs, PV and an external battery
Kallevik, Thomas (Master thesis, 2019)I de kommende årene må verden drastisk redusere utslipp av drivhusgasser for å møte menneskeskapte klimaendringer, og internasjonale avtaler. Det er store utslipp knyttet til energisektoren, og av den grunn vil kutt her ... -
Representing Long-term Impact of Residential Building Energy Management using Stochastic Dynamic Programming
Thorvaldsen, Kasper Emil; Bjarghov, Sigurd; Farahmand, Hossein (Chapter, 2020)Scheduling a residential building short-term to op- timize the electricity bill can be difficult with the inclusion of capacity-based grid tariffs. Scheduling the building based on a proposed measured-peak (MP) grid tariff, ... -
A stochastic operational planning model for a zero emission building with emission compensation
Thorvaldsen, Kasper Emil; Korpås, Magnus; Lindberg, Karen Byskov; Farahmand, Hossein (Peer reviewed; Journal article, 2021)The primary objective of Zero Emission Buildings (ZEBs) is to achieve net zero emission over the buildings’ lifetime. To achieve this goal, accurate cost-effective emission compensation is needed during the operational ... -
Value stacking flexibility services in neighborhoods participating in fast frequency reserve markets
Stai, Peter Elias Halle; Bjarghov, Sigurd Nikolai; Thorvaldsen, Kasper Emil; Backe, Stian (Journal article; Peer reviewed, 2023)Neighborhoods are responsible for considerable amounts of the total energy demand in Europe, and increased shares of variable renewable energy sources will require energy balancing services. Local flexibility resources in ...