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Ragnar Kristjánsson

Observed names: Kristjánsson, Ragnar, R. Kristjansson, R. Kristjánsson, Ragnar Kristjansson
Observed institution: Reykjavík University
ORCID: 0000-0001-9971-2283
Observed ORCID: 0000-0001-9971-2283
OpenAlex ID: A5073148628
Integrated energy systems’ modeling studies for sub-Saharan Africa: A scoping review
2020 · Xavier S. Musonye, Brynhildur Davíðsdóttir, et al. · Renewable and Sustainable Energy Reviews · 77
Technical, economic, and environmental feasibility of alternative fuel heavy-duty vehicles in Iceland
2022 · Albert Alonso-Villar, Brynhildur Davíðsdóttir, et al. · Journal of Cleaner Production · 66
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Electrification potential for heavy-duty vehicles in harsh climate conditions: A case study based technical feasibility assessment
2023 · Albert Alonso-Villar, Brynhildur Davíðsdóttir, et al. · Journal of Cleaner Production · 36
Environmental and techno-economic assessment of power system expansion for projected demand levels in Kenya using TIMES modeling framework
2021 · Xavier S. Musonye, Brynhildur Davíðsdóttir, et al. · Energy Sustainable Development/Energy for sustainable development · 32
Optimising fast-charging infrastructure for long-haul electric trucks in remote regions under adverse climate conditions
2025 · Albert Alonso-Villar, Brynhildur Davíðsdóttir, et al. · eTransportation · 18
Framework for Threat Based Failure Rates in Transmission System Operation
2016 · Samuel Perkin, Gudjon Bjornsson, et al. · International Symposium on Stochastic Models in Reliability Engineering, Life Science and Operations Management · 11
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Modelling weather dependence in online reliability assessment of power systems
2017 · Samuel Perkin, Arne Brufladt Svendsen, et al. · Proceedings of the Institution of Mechanical Engineers Part O Journal of Risk and Reliability · 9
Low-Carbon Development Strategies for Power Generation Expansion in Sub-Saharan Africa: Insights from an Optimisation-Based Analysis for Kenya
2025 · Xavier S. Musonye, Brynhildur Davíðsdóttir, et al. · Energies · 7
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Framework for trajectory‐based probabilistic security assessment of power systems
2019 · Samuel Perkin, Camille Hamon, et al. · IET Generation Transmission & Distribution · 5
Near real-life pilot testing of real-time probabilistic reliability assessments
2016 · Samuel Perkin, Ragnar Kristjansson, et al. · International Conference on Probabilistic Methods Applied to Power Systems (PMAPS) · 2
Impact assessment of battery-electric HDVs charging loads on the transmission and distribution system in Iceland
2026 · Albert Alonso-Villar, Brynhildur Davíðsdóttir, et al. · Applied Energy · 1
Smart Meter Insights: Identifying and Projecting Electric Vehicle Loads in Reykjavik
2024 · Laurenţiu Lucian Anton, Kári Hreinsson, et al. · IEEE PES Innovative Smart Grid Technologies Europe · 1
Traffic-Based Demand Modeling for EV Fast-Charging Stations: A Case Study in Iceland
2024 · Laurenţiu Lucian Anton, Mladen Čičić, et al. · IEEE International Conference on Intelligent Transportation Systems (ITSC)
Technical and economic assessment of battery-electric and hydrogen fuel cell heavy-duty vehicles for long-haul freight applications in Iceland
2023 · A. Alonso-Villar, B. Davídsdóttir, et al. · CRC Press eBooks
Does a master's program in engineering require a final project?
2022 · Audunsson, Haraldur, Rouvrais, Siegfried, et al. · HAL
A frequency dependent model for Δ-Y/sub 0/ coupled distribution transformers
2002 · R. Kristjansson, J. Ronne-Hansen
Works count: 16
Citation count: 265
H-index: 7
I10-index: 6
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