The leakage current components as a diagnostic tool to estimate contamination level on high voltage insulators
The current paper presents an alternative and innovative technique to predict the severity of
pollution of high voltage insulator using a higher harmonics component with up to the 7 th …
pollution of high voltage insulator using a higher harmonics component with up to the 7 th …
Risk assessment of polluted glass insulator using leakage current index under different operating conditions
In this article, an innovative approach to assess the risk of uniform/non-uniform pollution and
wet high voltage glass insulator is proposed. The assessment is based on a new index …
wet high voltage glass insulator is proposed. The assessment is based on a new index …
Experimental investigation on composite insulators AC flashover performance with fan-shaped non-uniform pollution under electro-thermal stress
EM Savadkoohi, M Mirzaie, SM Seyyedbarzegar… - International Journal of …, 2020 - Elsevier
Pollution deposition along with ultraviolet (UV) radiation and electro-thermal stress cause
the composite insulators to face with critical conditions. The type of pollution which settles on …
the composite insulators to face with critical conditions. The type of pollution which settles on …
Leakage current characteristics in estimating insulator reliability: experimental investigation and analysis
The monitoring of leakage current (LC) and voltage characteristics in transmission line
insulators is regarded as a good technique for anticipating the physical state of in-service …
insulators is regarded as a good technique for anticipating the physical state of in-service …
Improved flashover mathematical model of polluted insulators: A dynamic analysis of the electric arc parameters
This paper presents an improved dynamic mathematical model of critical parameters for
ceramic insulators based on an extended equivalent electric circuit model of a polluted …
ceramic insulators based on an extended equivalent electric circuit model of a polluted …
Designing an automatic detector device to diagnose insulator state on overhead distribution lines
An automatic detector device (ADD) has been designed and built for monitoring insulators
state in overhead distribution lines. The prototyped device is suitable for measurement and …
state in overhead distribution lines. The prototyped device is suitable for measurement and …
Estimation of contamination level of overhead insulators based on surface leakage current employing detrended fluctuation analysis
This article proposes an advanced technique for condition assessment of outdoor insulators
based on its surface leakage current through employing detrended fluctuation analysis …
based on its surface leakage current through employing detrended fluctuation analysis …
A novel leakage current index for the field monitoring of overhead insulators under harmonic voltage
R Ghosh, B Chatterjee… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Leakage current measurement is the most reliable and effective method for condition
monitoring of overhead insulators deployed in the field. However, a major challenge in the …
monitoring of overhead insulators deployed in the field. However, a major challenge in the …
Identification of composite insulator criticality based on a new leakage current diagnostic index
In this article, a new method is proposed to identify the health condition of composite
insulators through investigating the leakage current (LC) along with the electric potential …
insulators through investigating the leakage current (LC) along with the electric potential …
Polymeric insulator conditions estimation by using leakage current characteristics based on simulation and experimental investigation
The current work contributes an estimate of the time-frequency characteristics of a leakage
current in assessing the health condition of a polluted polymeric insulator. A 33 kV polymer …
current in assessing the health condition of a polluted polymeric insulator. A 33 kV polymer …