Blar i Institutt for elektro, IT, og kybernetikk på dokumenttype "Chapter"

Viser treff 1-20 av 26

    • Applying Design of Experiments Method for the Verification of a Hydropower System 

      Pham, Le Nam Hai; Winkler, Dietmar (Chapter, 2022)
      Today, renewable energy plays a major role in the transition towards environment-friendly energy sources. Hydropower is one of the most important renewable energy sources leading to the high interest of research associated ...

    • Assessment of Under-Frequency Load Shedding in Mongolia Considering Inertia Scenarios 

      Adiyabazar, Choidorj; Acosta Montalvo, Martha Nohemi; Gonzalez-Longatt, Francisco; Rueda Torres, Jose Luis; Palensky, Peter (Chapter, 2020)
      The Mongolian power system (MPS) has been changing in recent years mainly by the integration of wind power and solar photovoltaic sources which until 2019 has been reached a 20% of the total generation sources. The ...

    • DroneLibrary: Multi-domain Drone Modeling in Modelica 

      Podlaski, Meaghan; Vanfretti, Luigi; Winkler, Dietmar (Chapter, 2023)
      In the development of complex, novel electrified aerial systems such as Unmanned Aerial Vehicles (UAVs) and electric vertical take-off and landing (eVTOL) systems, multi-domain modeling and simulation studies can provide ...

    • Dynamic Model of an Ammonia Synthesis Reactor Based on Open Information 

      Jinasena, Asanthi; Lie, Bernt; Glemmestad, Bjørn (Chapter; Peer reviewed, 2016)
      Ammonia is a widely used chemical, hence the ammonia manufacturing process has become a standard case study in the scientific community. In the field of mathematical modeling of the dynamics of ammonia synthesis reactors, ...

    • Dynamic system calibration by system identification methods 

      Ergon, Rolf; Di Ruscio, David Luigi (Chapter; Peer reviewed, 1997)
      Primary output variables from industrial processes can be estimated from known input variables and secondary process measurements. As a basis for this, the dynamic predictor has to be identi ed from data collected during ...

    • Ensemble learning in the estimation of flow types and velocities of individual phases in multiphase flow using non-intrusive accelerometers' and process pressure data 

      Yan, Ru; Viumdal, Håkon; Fjalestad, Kjetil; Mylvaganam, Saba (Chapter, 2022)
      Multiphase flows with oil/ gas/ water are common in oil and gas industries. Accurately identifying flow types and estimating flow velocities of the individual phases are crucial for different purposes, such as observing ...

    • Experiences and trends in control education: a HIOA/USN perspective 

      Komulainen, Tiina M.; Alcocer, Alex; Haugen, Finn (Chapter; Peer reviewed, 2016)
      Global trends in higher education including e-learning, massive open online courses, and new teaching methods have positively affected control education. Control course content has evolved due to changes in industrial ...

    • Fast Active Power-Frequency Support Methods by Large Scale Electrolyzers for Multi-Energy Systems 

      Veerakumar, Nidarshan; Ahmad, Zameer; Adabi, M. Ebrahim; Rueda, Jose Luis; A. M. M. van der Meijden, Mart; Palensky, Peter; Gonzalez-Longatt, Francisco (Chapter, 2020)
      This paper presents a comparative assessment of fast active power regulation (FAPR) control strategies implemented on megawatt-scale controllable electrolysers, with the goal of achieving enhanced frequency support during ...

    • Framework for Real-Time Simulation of Hardware in the Loop Applied to Primary Frequency Control 

      Barrios-Gomez, J.A.; Sanchez, Francisco; Gianfranco, Claudio; Gonzalez-Longatt, Francisco; Acosta Montalvo, Martha Nohemi; Denysiuk, Serhii; Strelkova, Halyna (Chapter, 2020)
      This research paper proposes a framework to perform (hardware in the loop) HIL simulation in real-time (RT), the framework includes steps for the formulation of the Target RT Computer and Open Source System, which are ...

    • Frequency Support of Fast-Multi-Energy Storage Systems in Low Rotational Inertia Scenarios 

      Ersdal, Anne Mai; Acosta Montalvo, Martha Nohemi; Gonzalez-Longatt, Francisco; Rueda Torres, Jose Luis; Palensky, Peter (Chapter, 2020)
      Modern power systems are increasing the connection of power electronic converters (PECs), and new inertia-less technologies displace the synchronous generation units. Therefore, the total rotational system inertia is ...

    • Fusion of Body Sensors’ Data and Video Images in Assistive Technology 

      Halvorsen, Hans-Petter; Kaspersen, Karina; Jonsaas, Alexander; Mylvaganam, Kanagasabapath (Chapter, 2019)
      Modern innovations in the design of sensors and the convergence of computing, cognition and communications have led to many new possibilities in incorporating AI-techniques in Assistive Technology (AT) for elderly people. ...

    • Future Operational Regimes of Bulk Power Generation in The Era of Global Energy Transition: Grid Codes, Challenges and Open Issues 

      Nøland, Jonas Kristiansen; Leandro, Matteo; Nysveen, Arne; Øyvang, Thomas (Chapter, 2020)
      This paper explores the effects of the ongoing energy transition on the classical bulk power generation. The rapid increase in renewable penetration changes the role of grid-connected generators significantly. Large machines ...

    • Multi-Core Platform of Admittance Matrix Formation of Power Systems: Computational Time Assessment 

      Gonzalez-Longatt, Francisco; Montalvo, Martha Nohemi; Andrade, Manuel A.; Vazquez, Ernesto; Chamorro, Harold R.; Sood, Vijay K. (Chapter, 2020)
      This paper presents a comparison of computational time required to build the admittance matrix of five test systems (ranging from 200 to 70,000 nodes) considering two formation approaches: element-by-element and matrix ...

    • Non-Synchronous Generation Impact on Frequency Response - A Case from Albania 

      Ago, Ersi; Chamorro, Harold; Alves, Erick Fernando; Gonzalez-Longatt, Francisco; Flores, Wilfredo C; Sood, Vijay K; Martinez, Wilmar (Chapter, 2020)
      Albanian electric power generation has been almost totally dependent on hydropower since its system inception. Within the past decade, although modest, there has been some share of power produced from Renewable Energy ...

    • Off-field Testing of Grid Scenarios at Medium Voltage in Flexible AC Transmission Systems involving Wind Energy 

      Lorenzen, Helge; Timmerberg, Josef; Lüken, Tim; Mylvaganam, Saba (Chapter, 2020)
      As a result of the geographical location of north-western Germany, the local grid operator EWE NETZ has a pioneer role with respect to the integration of renewable energy sources in existing AC transmission systems. About ...

    • On the Optimization of Damping Enhancement in a Power System with a Hybrid HVDC Link 

      Chamorro, Harold; Torkzadeh, Roozbeh; Kotb, Omar; Rouzbehi, Kumars; Escaño, Juan Manuel; Gonzalez-Longatt, Francisco; Bellmunt, Oriol Gomis; Toma, Lucian; Sood, Vijay K (Chapter, 2019)
      Hybrid HVDC links incorporate both Line Commutated Converters (LCC) and Voltage Source Converters (VSC) systems, thereby gathering the benefits of both technologies. Supplementary Power Oscillation Damping (POD) controllers ...

    • Optimal Settings of Fast Active Power Controller: Nordic Case 

      Acosta Montalvo, Martha Nohemi; Gonzalez-Longatt, Francisco; Denysiuk, Serhii; Strelkova, Halyna (Chapter, 2020)
      The Nordic power system is continuously changing, and it has been experiencing a growing replacing of conventional power plants with renewable power plants, this together with other factors are causing reduction of the ...

    • Optimal Tuning of Active Power Gradient Control for Frequency Support in Multi-Energy Systems 

      Perilla, Arcadio; Gusain, Digvijay; Rueda, Jose Luis; Palensky, Peter; A. M. M. van der Meijden, Mart; Gonzalez-Longatt, Francisco (Chapter, 2020)
      Coping with severe active power imbalances constitutes a challenging task in low inertia multi-energy systems. The phase out of the majority of conventional power plants with large size synchronous generators entails that ...

    • Optimal UFLS Settings: An Assessment of Frequency System Response Indicators 

      Acosta Montalvo, Martha Nohemi; Adiyabazar, Choidorj; Gonzalez-Longatt, Francisco; Rueda Torres, Jose Luis; Palensky, Peter (Chapter, 2020)
      This paper investigates the positive changes in the system frequency response indicators caused by the implementation of a set of optimal settings of an under-frequency load shedding (UFLS) scheme. The optimal UFLS scheme ...

    • Power Converters Dominated Power Systems 

      Gonzalez-Longatt, Francisco; Acosta Montalvo, Martha Nohemi; Chamorro, H. R.; Rueda Torres, Jose Luis (Chapter, 2020)
      The transition to a low-carbon society is the driving force pushing the traditional power system to increase the volume of non-synchronous technologies which mainly use power electronic converters (PEC) as an interface to ...