Math Bollen
YOU?
Author Swipe
View article: Relation between hosting capacity of MV and LV networks and a joint hosting capacity assessment
Relation between hosting capacity of MV and LV networks and a joint hosting capacity assessment Open
View article: Reproducible Method for Modifying a Published Electricity Network Model for Transmission Expansion Planning
Reproducible Method for Modifying a Published Electricity Network Model for Transmission Expansion Planning Open
Transmission network-expansion planning research requires reproducibility of results and comparability of research from various sources. This paper presents a process for modifying a published electricity network model so that the model ca…
View article: Evaluating 5G Communication for IEC 61850 Digital Substations: Historical Context and Latency Challenges
Evaluating 5G Communication for IEC 61850 Digital Substations: Historical Context and Latency Challenges Open
Digital substation technology adhering to the IEC 61850 standard has provided several opportunities and flexibility for the rapid growth and complexity of the present and future electrical grid. The communication infrastructure allows comp…
View article: Adaptive software sensor for intelligent control in photovoltaic system optimization
Adaptive software sensor for intelligent control in photovoltaic system optimization Open
This paper addresses the critical challenge of reducing dependence on multiple physical sensors in photovoltaic energy systems, which often leads to increased cost, system complexity, and vulnerability to noise and sensor failures. These i…
View article: Time-Domain Aggregation of Interharmonics from Parallel Operation of Multiple Sustainable Sources and Electric Vehicles
Time-Domain Aggregation of Interharmonics from Parallel Operation of Multiple Sustainable Sources and Electric Vehicles Open
This paper examines the random nature of interharmonics generated by power converters connected to sustainable energy sources and loads, such as wind turbines, photovoltaic (PV) panels, and electric vehicles (EVs). Current research often o…
View article: Investigation on the Thermal Impact of Low-Order Harmonics on Railway Power Supply Transformers
Investigation on the Thermal Impact of Low-Order Harmonics on Railway Power Supply Transformers Open
This article evaluates the thermal impact of low-order harmonics on transformer loading capabilities in the Swedish electric railway power system (ERPS). Using real power quality (PQ) measurements and standard methodologies from IEC and IE…
View article: Retraction notice to ‘Corrigendum to “Seeking patterns in rms voltage variations at the sub-10-minute scale from multiple locations via unsupervised learning and patterns’ post-processing” [Int. J. Electr. Power Energy Syst. 143 (2022) 108516] [Int. J. Electr. Power Energy Syst. 154 (2023) 108582]’
Retraction notice to ‘Corrigendum to “Seeking patterns in rms voltage variations at the sub-10-minute scale from multiple locations via unsupervised learning and patterns’ post-processing” [Int. J. Electr. Power Energy Syst. 143 (2022) 108516] [Int. J. Electr. Power Energy Syst. 154 (2023) 108582]’ Open
View article: A hosting capacity based approach toward distribution system planning for high PV penetration
A hosting capacity based approach toward distribution system planning for high PV penetration Open
View article: Analysis of the Measurements of the Radiated Emission from 9 kHz to 150 kHz from Electric Railways
Analysis of the Measurements of the Radiated Emission from 9 kHz to 150 kHz from Electric Railways Open
The frequency domain measurement of radiated emissions from electric railways (from 9 kHz up to 150 kHz) has been omitted from the main part of the relevant standard (lack of repeatability and reproducibility of the results is mentioned as…
View article: Operational risk assessment of transmission Systems: A review
Operational risk assessment of transmission Systems: A review Open
View article: Radiated Electromagnetic Emission from Photovoltaic Systems—Measurement Results: Inverters and Modules
Radiated Electromagnetic Emission from Photovoltaic Systems—Measurement Results: Inverters and Modules Open
Radiated electromagnetic emission of photovoltaic systems, for example, adversely impacting radiocommunication, can pose a major barrier against further increase in photovoltaic penetration. This is particularly the case near sensitive inf…
View article: On the Way to Utilizing Green Hydrogen as an Energy Carrier—A Case of Northern Sweden
On the Way to Utilizing Green Hydrogen as an Energy Carrier—A Case of Northern Sweden Open
Low or even zero carbon dioxide emissions will be an essential requirement for energy supplies in the near future. Besides transport and electricity generation, industry is another large carbon emitter. Hydrogen produced by renewable energ…
View article: Human-Centric and Integrative Lighting Asset Management in Public Libraries: Qualitative Insights and Challenges from a Swedish Field Study
Human-Centric and Integrative Lighting Asset Management in Public Libraries: Qualitative Insights and Challenges from a Swedish Field Study Open
Traditional lighting source reliability evaluations, often covering just half of a lamp's volume, can misrepresent real-world performance. To overcome these limitations,adopting advanced asset management strategies for a more holistic eval…
View article: Assessing aspects of solution-based chemical synthesis to convert waste Si solar cells into nanostructured aluminosilicate crystals
Assessing aspects of solution-based chemical synthesis to convert waste Si solar cells into nanostructured aluminosilicate crystals Open
An affordable, scalable, and easily adoptable solution-based processing route provides a potential way of converting waste Si solar cells into aluminosilicate minerals to contribute to sustainability in the solar energy value chain.
View article: Human-Centric and Integrative Lighting Asset Management in Public Libraries: Qualitative Insights and Challenges From a Swedish Field Study
Human-Centric and Integrative Lighting Asset Management in Public Libraries: Qualitative Insights and Challenges From a Swedish Field Study Open
Integrerad tillgångsförvaltning för belysning i allmänna bibliotek genom Digital Tvilling
View article: Power Quality Issues of Electro-Mobility on Distribution Network—An Overview
Power Quality Issues of Electro-Mobility on Distribution Network—An Overview Open
The journey towards sustainable transportation has significantly increased the grid penetration of electric vehicles (EV) around the world. The connection of EVs to the power grid poses a series of new challenges for network operators, suc…
View article: Human-Centric and Integrative Lighting Asset Management in Public Libraries: Qualitative Insights and Challenges from a Swedish Field Study
Human-Centric and Integrative Lighting Asset Management in Public Libraries: Qualitative Insights and Challenges from a Swedish Field Study Open
View article: Impact of modelling of MV network and remote loads on estimated harmonic hosting capacity for an EV fast charging station
Impact of modelling of MV network and remote loads on estimated harmonic hosting capacity for an EV fast charging station Open
View article: IEEE Press Series on Power and Energy Systems
IEEE Press Series on Power and Energy Systems Open
The mission of the IEEE Press Series on Power and Energy Systems is to publish leading-edge books that cover a broad spectrum of current and forward-looking technologies in the fastmoving area of power and energy systems including smart gr…
View article: Including uncertainties in harmonic hosting capacity calculation of a fast EV charging station utilizing Bayesian statistics and harmonic correlation
Including uncertainties in harmonic hosting capacity calculation of a fast EV charging station utilizing Bayesian statistics and harmonic correlation Open
The harmonic emission from an electric vehicle fast charger depends on factors like charger topology, EV type, initial state of charge of EV battery, as well as supply voltage and background distortion. This paper presents the results from…
View article: Deep learning for power quality
Deep learning for power quality Open
This paper aims to introduce deep learning to the power quality community by reviewing the latest applications and discussing the open challenges of this technology. Publications covering deep learning to power quality are stratified in te…
View article: Graphical Ways to Visualize Operational Risk Results for Transmission System Contingencies
Graphical Ways to Visualize Operational Risk Results for Transmission System Contingencies Open
The increased complexity of the transmission grid can endanger the operational security of the grid. Operational risk assessment, a stochastic tool, helps to enhance security. Contingency analysis and its impact quantification are the main…
View article: Investigating Various Severity Factor Behaviors for Operational Risk Assessment
Investigating Various Severity Factor Behaviors for Operational Risk Assessment Open
Operational risk assessment is a stochastic approach to quantify the operational security of power systems. In this study, the interrelation between severity factor and operational risk, two important parameters in operational risk assessm…
View article: Seeking patterns in rms voltage variations at the sub-10-minute scale from multiple locations via unsupervised learning and patterns' post-processing
Seeking patterns in rms voltage variations at the sub-10-minute scale from multiple locations via unsupervised learning and patterns' post-processing Open
View article: Risk assessment criteria for utilizing dynamic line rating in presence of electric vehicles uncertainty
Risk assessment criteria for utilizing dynamic line rating in presence of electric vehicles uncertainty Open
Dynamic line rating (DLR) is a grid enhancing technology to enable a more effective use of transmission capacity of existing infrastructure. The growth in load consumption along with a high integration of electric vehicles (EV) highlights …
View article: Voltage-sag source detection: Developing supervised methods and proposing a new unsupervised learning
Voltage-sag source detection: Developing supervised methods and proposing a new unsupervised learning Open
Recognition and analysis of voltage sags (dips) allow network operators to predict and prevent problems in real-life applications. Clearing the voltage sag source by direction detection methods is the most effective way to solve and improv…
View article: Magnification of Transients at the Voltage Dips Starting and its Impacts on DFIG-based Wind Power Plants
Magnification of Transients at the Voltage Dips Starting and its Impacts on DFIG-based Wind Power Plants Open
This work shows that transients at voltage dips starting impact fault-ride-through of wind turbines. For fault-ride-through studies and manufacturer tests, it is therefore important to consider these transients and their magnification from…
View article: An unsupervised learning schema for seeking patterns in rms voltage variations at the sub-10-minute time scale
An unsupervised learning schema for seeking patterns in rms voltage variations at the sub-10-minute time scale Open
View article: Enhancing the hosting capacity of distribution transformers for using dynamic component rating
Enhancing the hosting capacity of distribution transformers for using dynamic component rating Open
With the increasing deployment of solar power, high photovoltaic (PV) penetration is expected to adversely impact the distribution grid. One of the challenges relates to the power flow and transfer capacity of the distribution transformers…
View article: Limits set by component loadability on solar power integration in distribution networks
Limits set by component loadability on solar power integration in distribution networks Open