Sarah Rönnberg

Professor

Lulea University of Technology

Sweden

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Professor Sarah Rönnberg is a faculty member at Luleå University of Technology in Sweden. Her research focuses on waveform distortion in electrical systems, including studies on unsupervised segmentation and classification of waveform distortion data and the impact of geomagnetically induced currents. She has published various articles that explore the propagation of supraharmonics, light flicker assessments, and the classification of LED lamps in low voltage networks.

Sarah Rönnberg

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Articles (16)

Unsupervised Segmentation and Classification of Waveform-Distortion Data Using Non-Active Current

Assessment of Time-Varying Waveform Distortion Measured in a Railway Traction Converter Station

Data-driven assessment of VI diagrams for inference on pantograph quantities waveform distortion in AC railways

Harmonic Anomalies Due to Geomagnetically Induced Currents as a Potential Cause of Protection Mal-Trips at the South Atlantic Anomaly Area

Deep Anomaly Detection of Voltage Waveform Distortion in the Transmission Grid Due to Geomagnetically Induced Currents

Comparison of Measurement-Based Classification Methods of LED Lamps

Propagation of Supraharmonics in a Data Center With Different Operating Modes of UPS

Stochastic assessment of risk of light flicker in a household

Propagation of Voltage Fluctuations and Assessment of LED Lamps Light Flicker in Low Voltage Networks

Modeling and Analysis of Supraharmonic Propagation for Stochastic Studies

Stability Analysis of PFC Converters Under Different Source Impedances and Its Consequences on Zero-Crossing Distortion

Modeling and Analysis of DC-Link Capacitors Subjected to High Frequency Conducted Disturbances in Electronic Equipment

Analytics of Waveform Distortion Variations in Railway Pantograph Measurements by Deep Learning

Comparison of Models of Single-Phase Diode Bridge Rectifiers for Their Use in Harmonic Studies with Many Devices

Deep Learning Method With Manual Post-Processing for Identification of Spectral Patterns of Waveform Distortion in PV Installations

Interharmonic Emission in AC–DC Converters Exposed to Nonsynchronized High-Frequency Voltage Above 2 kHz

Collaborators (2)

Andrea Mariscotti

Aurora del Rocío Gil de Castro

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