Skip to content
Sarah Rönnberg
Sarah Rönnberg

Sarah Rönnberg

Associate Professor
Luleå University of Technology
Electric Power Engineering
Energy Science
Department of Engineering Sciences and Mathematics
+46 (0)910 585721
B2252 Skellefteå


Article in journal

A Measurement-Based Definition of Phase-Angle for Negative-Sequence Unbalance (2020)

Bollen. M, Rönnberg. S
IEEE Transactions on Power Delivery, Vol. 35, nr. 5, s. 2561-2564
Article in journal

Characterization methods and typical levels of variations in rms voltage at the time scale between 1 second and 10  minutes (2020)

Bollen. M, Gil de Castro. A, Rönnberg. S
Electric power systems research, Vol. 184
Article in journal

Characterization of the impact of PV and EV induced voltage variations on LED lamps in a low voltage installation (2020)

Ravindran. V, Sakar. S, Rönnberg. S, Bollen. M
Electric power systems research, Vol. 185
Article in journal

Comparison of Measurement Methods for the Frequency Range 2–150 kHz (Supraharmonics) Based on the Present Standards Framework (2020)

Khokhlov. V, Meyer. J, Grevener. A, Busatto. T, Rönnberg. S
IEEE Access, Vol. 8, s. 77618-77630
Article in journal

Deviations between the commonly-used model and measurements of harmonic distortion in low-voltage installations (2020)

Busatto. T, Ravindran. V, Larsson. A, Rönnberg. S, Bollen. M, Meyer. J
Electric power systems research, Vol. 180