Figure 5. a) Meshed model of a disc of ceramic cap and pin insulator. b) Meshed model of a part of a polymeric insulator.

From

Comprehensive Analysis for Electric Field and Potential for Polymeric and Ceramic Insulators

Mohamad Saleh Sanjari Nia, Mohammad Altimania, Pourya Shamsi, Mehdi Ferdowsi

American Journal of Electrical and Electronic Engineering. 2020, 8(1), 26-34 doi:10.12691/ajeee-8-1-4