Flashover Characteristics of Vapor-Mist Dielectrics under Lightning Impulse and Factors to Increase the Flashover Voltage

Flashover Characteristics of Silicone Rubber Sheets under Various Environmental Conditions

Silicone rubber insulators are replacing the conventional ceramic and porcelain insulators rapidly in power transmission and distribution industry. Very limited field knowledge is available about the performance of silicone rubber insulators in polluted and contaminated environments and therefore need further investigation. A comprehensive analysis of silicone rubber sheets (intended for coatin...

Increased surface flashover voltage in microfabricated devices

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Electrical Circuit Flashover Model of Polluted Insulators under AC Voltage Based on the Arc Root Voltage Gradient Criterion

In order to study the flashover mechanism of polluted insulators under AC voltage, a new arc propagation criterion which is based on an arc root voltage gradient is proposed. This criterion can explain the variation of the arc root voltage gradient in the arc propagation process. Based on this criterion, a new distributed parameter electrical circuit flashover model of polluted insulators is pr...

Prediction of Flashover Voltage of Insulators Using Low Voltage Surface Resistance Measurement

Design of an artificial neural network for the estimation of the flashover voltage on insulators

This work attempts to apply an artificial neural network in order to estimate the critical flashover voltage on polluted insulators. The artificial eural network uses as input variables the following characteristics of the insulator: diameter, height, creepage distance, form factor and equivalent alt deposit density, and estimates the critical flashover voltage. The data used to train the netwo...