Accounting for component condition and preventive retirement in power system reliability analyses

H Toftaker, J Foros, IB Sperstad - IET Generation, Transmission …, 2023 - Wiley Online Library
Deteriorated power system components have a higher probability of failure than new
components. Still, the reliability of supply analyses traditionally models all components of the …

[HTML][HTML] A graph-based modelling framework for vulnerability analysis of critical sequences of events in power systems

IB Sperstad, EH Solvang, SH Jakobsen - International Journal of Electrical …, 2021 - Elsevier
Major blackouts may have critical societal consequences and are very challenging to
analyse and mitigate. Part of the challenge lies in the complex sequences of events that …

[PDF][PDF] The Nordic 44 test network

SH Jakobsen, L Kalemba… - Online: https://figshare …, 2018 - researchgate.net
Power systems are among the largest, most complex systems ever constructed.
Consequently, analysis of these systems often involve computer simulations, since it would …

[HTML][HTML] Data set for power system reliability analysis using a four-area test network

IB Sperstad, EH Solvang, SH Jakobsen, O Gjerde - Data in Brief, 2020 - Elsevier
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 …

HVDC loss factors in the Nordic power market

A Tosatto, S Chatzivasileiadis - Electric Power Systems Research, 2021 - Elsevier
Abstract In the Nordic countries (Sweden, Norway, Finland and Denmark), many
interconnectors are formed by long High-Voltage Direct-Current (HVDC) lines. Every year …

The impact of high‐voltage circuit breaker condition on power system reliability indices

JA Grant, IB Sperstad, VV Vadlamudi… - IET Generation …, 2024 - Wiley Online Library
Condition monitoring data can be used to assess the health of a power system component
but is rarely used to assess the reliability of the power system they are part of. For high …

[HTML][HTML] Reliability assessment combining importance resampling and the cross entropy method

I Bjerkebæk, H Toftaker - Electric Power Systems Research, 2024 - Elsevier
In the ongoing transition towards a sustainable energy system, the electric power system
increases in complexity and must adapt to rapid changes and new uncertainties. Thus …

[HTML][HTML] Reliability of supply and the impact of weather exposure and protection system failures

ES Kiel, GH Kjølle - Applied Sciences, 2020 - mdpi.com
Extreme weather is known to cause failure bunching in electrical transmission systems.
However, protection systems can also contribute to the worsening of the system state …

The impact of protection system failures and weather exposure on power system reliability

ES Kiel, GH Kjølle - … and Electrical Engineering and 2019 IEEE …, 2019 - ieeexplore.ieee.org
Extreme weather is known to cause failure bunching in the electrical transmission system.
However, protection systems can also contribute to the worsening of the system state …

A holistic simulation tool for long-term probabilistic power system reliability analysis

ØR Solheim, L Warland… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
This paper present a holistic tool for doing long term probabilistic power system reliability
analysis. It is based on a full hourly Monte Carlo simulation of component failures (lines …