Browsing SINTEF Open by Author "Sperstad, Iver Bakken"
Now showing items 1-20 of 52
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A Bayesian network based approach for integration of condition-based maintenance in strategic offshore wind farm O&M simulation models
Nielsen, Jannie Sonderkaer; Sørensen, John Dalsgaard; Sperstad, Iver Bakken; Welte, Thomas Michael (Chapter; Peer reviewed, 2018)In the overall decision problem regarding optimization of operation and maintenance (O&M) for offshore wind farms, there are many approaches for solving parts of the overall decision problem. Simulationbased strategy models ... -
A Comparison of Single- and Multi-parameter Wave Criteria for Accessing Wind Turbines in Strategic Maintenance and Logistics Models for Offshore Wind Farms
Sperstad, Iver Bakken; Halvorsen-Weare, Elin Espeland; Hofmann, Matthias; Nonås, Lars Magne; Stålhane, Magnus; Wu, MingKang (Journal article; Peer reviewed, 2014)Different vessel types for transferring technicians for maintenance and inspection of offshore wind farms are often evaluated and compared by their limiting significant wave height for accessing the wind turbines. The ... -
Accounting for component condition and preventive retirement in power system reliability analyses
Toftaker, Håkon; Foros, Jørn; Sperstad, Iver Bakken (Peer reviewed; Journal article, 2023)Deteriorated power system components have a higher probability of failure than new components. Still, reliability of supply analyses traditionally model all components of the same type with the same probability of failure, ... -
Accounting for uncertainties due to high-impact low-probability events in power system development
Sperstad, Iver Bakken; Kjølle, Gerd Hovin; Norum, Eivind Ødegaard (Peer reviewed; Journal article, 2021)In the long-term development of the electric power system, system operators should consider the socio-economic balance between grid investment costs and security of supply, including the risk of power supply interruptions. ... -
Adapting Cyber-Risk Assessment for the Planning of Cyber-Physical Smart Grids Based on Industrial Needs
Erdogan, Gencer; Sperstad, Iver Bakken; Garau, Michele; Gjerde, Oddbjørn; Tøndel, Inger Anne; Tokas, Shukun; Jaatun, Martin Gilje (Communications in Computer and Information Science;1859, Chapter; Peer reviewed, 2023)Adapting Cyber-Risk Assessment for the Planning of Cyber-Physical Smart Grids Based on Industrial Needs -
Comprehensive classifications and characterizations of power system flexibility resources
Degefa, Merkebu Zenebe; Sperstad, Iver Bakken; Sæle, Hanne (Peer reviewed; Journal article, 2021)Due to the increasing integration of renewable forms of generation, ageing network infrastructure, and rapid increase in peak load demand, flexibility is becoming economically more viable and hence significant role player ... -
A Comprehensive Framework for Vulnerability Analysis of Extraordinary Events in Power Systems
Sperstad, Iver Bakken; Kjølle, Gerd Hovin; Gjerde, Oddbjørn (Peer reviewed; Journal article, 2020)Electric power systems are critical infrastructures subject to the possibility of extraordinary events with high societal consequences. Although such possibilities are often associated with very low probabilities of being ... -
Cost-Benefit Analysis of Battery Energy Storage in Electric Power Grids: Research and Practices
Sperstad, Iver Bakken; Istad, Maren Kristine; Sæle, Hanne; Korpås, Magnus; Oleinikova, Irina; Hänninen, Seppo; Motta, Sergio; Panagiotou, Konstantina; Papadimitriou, Christina; Efthymiou, Venizelos; Træholt, Chresten; Marinelli, Mattia (Chapter; Peer reviewed, 2020)This paper provides an overview of methods for including Battery Energy Storage Systems (BESS) into electric power grid planning. The general approach to grid planning is the same with and without BESS, but when BESS is ... -
Data set for power system reliability analysis using a four-area test network
Sperstad, Iver Bakken; Solvang, Espen Hafstad; Jakobsen, Sigurd Hofsmo; Gjerde, Oddbjørn (Peer reviewed; Journal article, 2020)This article presents a test data set combining data relevant for power system reliability analysis, including network data, reliability data, basic interruption cost data, and exemplary operating state data. The data set ... -
Dataset for a Norwegian medium and low voltage power distribution system with industrial loads
Sandell, Susanne; Bjerkehagen, Daniel; Birkeland, Bjørn; Sperstad, Iver Bakken (Peer reviewed; Journal article, 2023)This article presents a dataset for a Norwegian industrial medium voltage (MV) and low voltage (LV) electric power distribution grid with load time series. The raw dataset was collected in collaboration with the Norwegian ... -
Demand flexibility modelling for long term optimal distribution grid planning
Bødal, Espen Flo; Lakshmanan, Venkatachalam; Sperstad, Iver Bakken; Degefa, Merkebu Zenebe; Hanot, Maxime; Ergun, Hakan; Rossi, Marco (Peer reviewed; Journal article, 2022)Optimisation tools for long-term grid planning considering flexibility resources require aggregated flexibility models that are not too computationally demanding or complex. Still, they should capture the operational ... -
Development of a qualitative framework for analysing high-impact low-probability events in power systems
Sperstad, Iver Bakken; Kiel, Erlend Sandø (Chapter; Peer reviewed, 2018)High-Impact Low-Probability (HILP) events in power systems historically involve a multitude of aspects, including diverse and disparate threats, failures and sequences of events. Each of these aspects are associated with ... -
DSO and LEC Collaboration Strategies for Voltage Regulation
Rana, Rubi; Bjarghov, Sigurd Nikolai; Sperstad, Iver Bakken; Askeland, Magnus; Taxt, Henning (SINTEF Energi. Rapport;, Research report, 2024)This report explores the long-term perspective of Local Energy Community (LEC) integration, considering future grid challenges like load increases leading to voltage problems. It examines the role of LECs in reducing peak ... -
Dynamic simulation of simultaneous HVDC contingencies relevant for vulnerability assessment of the nordic power system
Solvang, Espen Hafstad; Sperstad, Iver Bakken; Jakobsen, Sigurd Hofsmo; Uhlen, Kjetil (Chapter; Peer reviewed, 2019) -
Economic assessment of integrating fast-charging stations and energy communities in grid planning
Rana, Rubi; Sperstad, Iver Bakken; Torsæter, Bendik Nybakk; Taxt, Henning (Peer reviewed; Journal article, 2023)Distribution grid companies and distribution system operators (DSOs) still mostly follow a traditional framework for grid planning. Such frameworks have so far served DSOs well in the economic assessment and cost–benefit ... -
EMS2aaS: A Dockerized framework for remote EMS deployment
Marafioti, Giancarlo; Fossøy, Synne; Maree, Johannes Philippus; Sperstad, Iver Bakken (Chapter; Peer reviewed, 2021)Energy Management Systems (EMSs) are software tools that support the grid operators to monitor, control and optimize generation, transmission/distribution, and loads in a electrical grid. Microgrids (“small scale” grids) ... -
Energy Storage Scheduling in Distribution Systems Considering Wind and Photovoltaic Generation Uncertainties
Sperstad, Iver Bakken; Korpås, Magnus (Journal article; Peer reviewed, 2019)Flexible distributed energy resources, such as energy storage systems (ESSs), are increasingly considered as means for mitigating challenges introduced by the integration of stochastic, variable distributed generation (DG). ... -
Evaluating grid development strategies for a regional grid using dynamic line rating sensors
Sandell, Susanne; Sperstad, Iver Bakken (Chapter; Peer reviewed, 2024)Traditionally, regional high voltage distribution grid planning relies on conservative line ratings and present value calculations to evaluate alternative grid development plans, as well as strict adherence to the N−1 ... -
Framework and methodology for active distribution grid planning in Norway
Sperstad, Iver Bakken; Solvang, Eivind; Gjerde, Oddbjørn (Chapter, 2020)The long-term planning frameworks currently used by electricity distribution grid companies are not designed to account for new challenges such as variable distributed generation or for new opportunities of active grid ... -
GARPUR D7.3 - A broader comparison of different reliability criteria through the GARPUR quantification platform
Geth, Frederik; Ergun, Hakan; van Hertem, Dirk; Heylen, Evelyn; Sperstad, Iver Bakken (Research report, 2017)