Browsing NTNU Open by Author "Farahmand, Hossein"
Now showing items 1-20 of 102
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A co-simulation framework to coordinate battery optimization and load flow - Improving voltage quality in the distribution grid
Hillestad, Runar (Master thesis, 2022)Økningen av distribuerte energi ressurser slik som solcellepanel (PV) og effektkrevende apparater har skapt nye utfordringer som leveringskvaliteten på spenningen for distribusjonsnettet, og det er kanskje mulig å bruke ... -
A Feasibility Study of Blockchain Technology As Local Energy Market Infrastructure
Blom, Fredrik (Master thesis, 2018)The recent surge in renewable energy in the distribution grid could transform the generation side to be more variable, which potentially reduces power quality. This technical local challenge could be compensated by introducing ... -
A Shorterm assessment of flexibility analyzing different levels of VRES deployment in a Unit Commitment model
Villanueva Revenga, Rodrigo (Master thesis, 2019)Flexibility has become an important property of the electric power systems and currently plays a crucial role in delivering efficient balancing to supply-demand operations. The rise of an environmental concern from governments ... -
Accounting for reserve capacity activation when scheduling a hydropower dominated system
Naversen, Christian Øyn; Farahmand, Hossein; Helseth, Arild (Journal article; Peer reviewed, 2020)As the penetration of variable renewable power generation increases in power systems around the world, system security is challenged. It is crucial to coordinate the available flexible generating resources, such as hydropower, ... -
Activation Optimization and Congestion Management in the European Balancing Energy Market
Håberg, Martin (Doctoral theses at NTNU;2019:313, Doctoral thesis, 2019)At the heart of the electricity system, a System Operator (referred to as Transmission System Operator (TSO) in Europe) faces the crucial task of coordinating the continuous balance between generation and consumption. Using ... -
Analyses of Reserve Procurement Costs Using the EMPS Model - Case Study Norway 2050
Paulshus, Tale Marie Astad (Master thesis, 2017)Europe is moving towards an energy transition including increasing the share of power produced from renewable energy sources and an increase of the CO2 price in order to reduce the climate changes and curtail the damaged ... -
Analyzing the Integration of Renewable Energy in Interconnected Power Systems Using a Flow-based Market Model
Rye, Eirik Andre; Lie, Arne Øvrebø (Master thesis, 2016)As renewable energy is taking on a more pivotal role in power systems around the world, the implications of this development are all the more significant. The study of these issues requires accurate models with publicly ... -
Assessing the benefits of exchanging spinning reserve capacity within the hydro-Dominated nordic market
Helseth, Arild; Haugen, Mari; Farahmand, Hossein; Mo, Birger; Jaehnert, Stefan; Stenkløv, Inge (Peer reviewed; Journal article, 2021)This paper presents a hydrothermal scheduling toolchain suitable for detailed studies of procurement of spinning reserves in the hydro-dominated Nordic power system. The toolchain combines a long-term model to find the ... -
Assessing the impacts of large Scale RES integration in the European Power System
Grimholt, Svein; Solheim, Fredrik Åsatun (Master thesis, 2016)This Master s thesis is a part of the course TET4915. It highlights the consequences of increasing the amounts of intermittent renewable energy sources (I-RES) in the European power system. Simulations were carried out ... -
Balancing Market Integration - Model-Based Analysis of Potential Cross-Border Reserve Exchange Between Norway and Germany
Bellenbaum, Julia; Weber, Christoph; Doorman, Gerard L.; Farahmand, Hossein (Journal article, 2018)Integrating balancing markets across borders bears a cost-reducing potential but requires the availability of transmission capacity for the eventual activation of committed reserves. Using scarce transmission capacity for ... -
Balancing Market Integration in Northern Europe - A 2030 Case Study
Torhaug, Eirik Schjander (Master thesis, 2018)The future European power system is expected to incorporate a large share of renewable energy sources (RES). The intermittent nature of these sources will require a higher degree of flexible generation, thus increasing the ... -
Balancing Market Integration in Northern European System - A 2020 Case Study
Løvstad, Ingrid Tjellaug (Master thesis, 2017)The Nordic power system is a complex and interconnected system in the sense that all the Nordic countries are closely tied together when it comes to electricity trading, both in the important day-ahead market, where the ... -
Battery Degradation-Aware Congestion Management in Local Flexibility Markets
Bjarghov, Sigurd; Kalantar-Neyestanaki, Mohsen; Cherkaoui, Rachid; Farahmand, Hossein (Chapter, 2021)Recently, distribution system operators (DSO) are facing increasing congestion management challenges in their grids due to increasing electricity demand peaks. Batteries are widely assumed to be a promising technology to ... -
BATTPOWER application: Large-scale integration of EVs in an active distribution grid – A Norwegian case study
Zaferanlouei, Salman; Lakshmanan, Venkatachalam; Bjarghov, Sigurd; Farahmand, Hossein; Korpås, Magnus (Journal article, 2022)With the considerable increase of Distributed Energy Resources (DER), reliable and cost-effective operation of distribution grids becomes challenging. The efficient operation relies on computationally dependable and tractable ... -
BATTPOWER Toolbox: Memory-Efficient and High-Performance Multi-Period AC Optimal Power Flow Solver
Zaferanlouei, Salman; Farahmand, Hossein; Vadlamudi, Vijay Venu; Korpås, Magnus (Peer reviewed; Journal article, 2021)In this paper, we introduce an Interior Point-based (IP) Multi-Period AC Optimal Power Flow (MPOPF) solver for the integration of Stationary Energy Storage Systems (SESS) and Electric Vehicles (EV). The primary methodology ... -
Capacity subscription grid tariff efficiency and the impact of uncertainty on the subscribed level
Bjarghov, Sigurd; Farahmand, Hossein; Doorman, Gerard (Peer reviewed; Journal article, 2022)While volume-based grid tariffs have been the norm for residential consumers, capacity-based tariffs will become more relevant with the increasing electrification of society. A further development is capacity subscription, ... -
Challenges in distribution grid with high penetration of renewables
Bødal, Espen Flo; Del Granado, Pedro Crespo; Farahmand, Hossein; Korpås, Magnus; Olivella, Pol; Munné, Ingrid; Lloret, Pau (Research report, 2018)The growing share of variable generation in Europe is increasing the need for flexibility in the electricity system. Flexibility on the demand side could be used by market players to optimise their portfolio as well as by ... -
Characterizing flexibility in power markets and systems
Kara, Güray; Tomasgard, Asgeir; Farahmand, Hossein (Peer reviewed; Journal article, 2022)The increasing share of variable renewable energy sources creates a need for flexibility resources in the power system operations. This paper presents suggestions for characterizing flexibility, including dimensions of ... -
Comparison of Cost Allocation Strategies among Prosumers and Consumers in a Cooperative Game
Tveita, Elise; Löschenbrand, Markus; Bjarghov, Sigurd; Farahmand, Hossein (Chapter, 2018)As the higher penetration of distributed generation (DG) and electrical energy storage (EES) is emerging, end-users are taking a more active role in the power grid. With an increased amount of DG and EES available, ... -
Computational Efficiency Assessment of Multi-Period AC Optimal Power Flow including Energy Storage Systems
Zaferanlouei, Salman; Korpås, Magnus; Aghaei, Jamshid; Farahmand, Hossein; Hashemipour, Naser (Chapter, 2018)In this paper, firstly, a formulation for Multi-Period AC Optimal Power Flow is developed to incorporate intertemporal constraints and, specifically, equations representing energy storage systems. Secondly, a solution ...