Blar i SINTEF Open på forfatter "Longva, Kårstein"
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Neutral Point Overvoltages in Wye-Wye Connected Distribution Transformer Caused by Lightning Current in Low-Voltage Winding
Gustavsen, Bjørn; Longva, Kårstein (Peer reviewed; Journal article, 2020)Lightning strokes is a main source of transformer failures in distribution systems. The discharge of a lightning current through a distribution transformer's high-voltage (HV) side arresters leads to a ground potential ...