FEM analysis of polluted 230 kV porcelain insulators by introducing new asymmetrical contamination: Elliptical ring-shaped

H Fadaeeasrami, F Faghihi, J Olamaei… - International Journal of …, 2022 - Elsevier
High voltage (HV) insulator of power transmission lines is affected by environmental
conditions that can be led to insulator aging through leakage current enhancement and …

Electric stress control using field-grading material rings on polymeric insulators

AN Tripathi, AR Verma - 2021 IEEE 6th International …, 2021 - ieeexplore.ieee.org
Recently, Field grading materials (FGM) have been finding many applications for electric
stress control. This paper deals with the application of nonlinear FGM for controlling the …

[PDF][PDF] Three-dimensional FEM model of an AC/DC hybrid high voltage transmission line to analyze the electrical field along composite insulators

D Potkrajac, S Papenheim, M Kizilcay - International Conference on …, 2017 - ipstconf.org
To increase the power transfer capacity of existing lines, a transmission system operator in
Germany plans to replace an existing 380-kV three-phase AC system into a bipolar HVDC …

Dynamic calculation of leakage current and electric field of distribution polymeric insulator under pollution layer

MM Khademi, A Arjomand… - 2015 20th Conference …, 2015 - ieeexplore.ieee.org
This paper presents two different methods to calculate the leakage current (LC) along a 20
kV silicone rubber (SiR) insulator surface. The first method which is based on field theory …

Development and modeling of LED indicator of high voltage insulator status

RN Balobanov, DI Amirov… - IOP Conference Series …, 2021 - iopscience.iop.org
The article discusses a non-contact method for monitoring the state of high-voltage
insulation. The principle of operation of circuits of devices built using various electronic …

[PDF][PDF] Prediction of Polymeric Insulator Leakage Current under Water Droplets Using Neural Network

Z Ghiasi, F Faghihi… - International Journal of …, 2020 - journals.iau.ir
In this paper, the parameters of electric field and leakage current (LC) amplitude in
polymeric insulator are calculated using finite element method (FEM) and predicted in the …