Testing GIC Mitigation Protocols by Modelling Transformer-Level GIC Flow in New Zealand’s Electrical Transmission Grid

Tim Divett1, Malcolm Ingham2, Craig J Rodger3, Gemma S. Richardson4, Ciaran Beggan4, Alan W P Thomson4, Michael Dalzell5 and Daniel Hugh Mac Manus3, (1)University of Otago, Dunedin, New Zealand, (2)Victoria University, Wellington, New Zealand, (3)University of Otago, Department of Physics, Dunedin, New Zealand, (4)British Geological Survey, Edinburgh, United Kingdom, (5)Transpower New Zealand Limited, Wellington, New Zealand