Figure 7. Time variation of the voltage uC6 for ω2 = 106 rad/s: a) winding with isolated neutral; b) 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