Potential and Electric Field Characteristics of Broken Porcelain Insulator

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Potential and Electric Field Characteristics of Broken Porcelain Insulator

Received Jul 10, 2017 Revised Oct 14, 2017 Accepted Oct 26, 2017 Overhead line insulators can be damaged for various reasons during their service life. Porcelain or glass insulators once damaged can affect the reliability of power system networks. This paper presents the study of voltage and electric characteristics along the surface of a broken porcelain insulator located in a string of 10 uni...

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Calculation of Electric Field Characteristics of Insulator Under Sandstorm Condition

Sandstorm has an effect on the electric field characteristics of outdoor insulator, and may result in flashover. The analysis of the electric field characteristic of insulator under sandstorm condition is very important. The electrostatic field finite element method (FEM) is used to calculate the electric field distribution along long rod insulator under sandstorm condition with FEM software. T...

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Effects of Disc Insulator Type and Corona Ring on Electric Field and Voltage Distribution over 230-kV Insulator String by Numerical Method

Insulator strings with several material and profiles are very common in overhead transmission lines. However, the electric field and voltage distribution of insulator string is uneven which may easily lead to corona, insulators’ surface deterioration and even flashover. So the calculation of the electric field and voltage distribution along them is a very important factor in the operation time....

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Simulation of Potential and Electric Field across Faulty Ceramic Disc Insulator String

Ceramic/Porcelain insulators are widely used in power transmission lines to provide mechanical support for High voltage conductors in addition to withstand electrical stresses. As a result of lightning, switching or temporary over voltages that could initiate flashover under worst weather conditions, and to operate within interference limits. Given that the useful life in service of the individ...

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Simulation of Potential and Electric Field across Faulty Ceramic Disc Insulator String

Ceramic/Porcelain insulators are widely used in power transmission lines to provide mechanical support for High voltage conductors in addition to withstand electrical stresses. As a result of lightning, switching or temporary over voltages that could initiate flashover under worst weather conditions, and to operate within interference limits. Given that the useful life in service of the individ...

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ژورنال

عنوان ژورنال: International Journal of Electrical and Computer Engineering (IJECE)

سال: 2017

ISSN: 2088-8708,2088-8708

DOI: 10.11591/ijece.v7i6.pp3114-3123