Figure 2. Detailed parts of a polymeric insulator and a piece of disc string, which the simulations and different strings are based on. a) Polymeric insulator detailed geometry. b) Cap and pin detailed geometry [34] in this study are D=280 mm, H=170 mm, and L=380 mm for all three system voltages

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