Rogowski electrodes have specially designed smooth shape to minimize the electric field on their ends.
Axisymmetric problem of electrostatics.
Relative permittivity of air ε = 1;
U+ = 1 kV
U- = -1 kV
Distance between electrodes d = 0.01 m.
Determine the electric field distribution along the electrode surface.
Electric field stress distribution around Rogowski electrodes
Electric field stress distribution along electrode surface