Figure 15. Time variation of the voltage uC3 for step over-voltage and winding with grounded neutral

From

A Study on Overvoltage Distribution Across the High Voltage Winding of an Electric Power Transformer

Gloria Ciumbulea, Lavinia Iordache (Bobaru), Sorin Deleanu, Mihai Iordache, Neculai Galan, Scott Basinger, Gregory Von Lipinski, David Carpenter

American Journal of Electrical and Electronic Engineering. 2016, 4(4), 110-122 doi:10.12691/ajeee-4-4-2