Search Results - "Lotz, S.I."

Adaptations to a geomagnetic field interpolation method in Southern Africa by Heyns, M.J., Lotz, S.I., Cilliers, P.J., Gaunt, C.T.

“…•Including low-cost variometers can improve sparse geomagnetic field interpolation•Interpretable equivalent current basis functions are presented for…”
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Data driven transfer functions and transmission network parameters for GIC modelling by Heyns, M.J., Gaunt, C.T., Lotz, S.I., Cilliers, P.J.

“…•Network parameter ensembles achieve robust GIC modelling and network characterisation.•Transfer functions using the ensemble methodology bypass conductivity…”
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A solar wind-based model of geomagnetic field fluctuations at a mid-latitude station by Lotz, S.I., Cilliers, P.J.

“…Anomalous quasi-DC currents known as geomagnetically induced currents (GIC), produced in electric power network infrastructure during geomagnetic storms, pose…”
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Present day challenges in understanding the geomagnetic hazard to national power grids by Thomson, A.W.P., Gaunt, C.T., Cilliers, P., Wild, J.A., Opperman, B., McKinnell, L.-A., Kotze, P., Ngwira, C.M., Lotz, S.I.

“…Power grids and pipeline networks at all latitudes are known to be at risk from the natural hazard of geomagnetically induced currents. At a recent workshop in…”
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