Evaluation of electric field distribution on a 400 kV composite insulator under various service conditions

2016 ◽  
Author(s):  
M. Bouhaouche ◽  
A. Mekhaldi ◽  
M. Teguar
Keyword(s):  
Electric Field ◽  
Field Distribution ◽  
Electric Field Distribution ◽  
Composite Insulator ◽  
Service Conditions

Experimental Study on Effect of Contamination on Electric Field Distribution of 330kV Composite Insulator

2014 ◽  
Vol 986-987 ◽  
pp. 299-302
Author(s):  
Ding Jun Wen ◽  
Xiu Bin Zhang ◽  
Hong Gang Chen ◽  
Feng Jiang ◽  
Ya Ming Sun
Keyword(s):  
Experimental Study ◽  
Electric Field ◽  
Field Distribution ◽  
Electric Field Distribution ◽  
Test System ◽  
Composite Insulator ◽  
Pollution Flashover ◽  
Surface Electric Field ◽  
Field Measuring ◽  
Northwest Region

330kV transmission line in the northwest region of China is much complex while pollution flashover is a major threat to the safe operation of the system. In this paper, experimental study on effect of contamination on electric field distribution of 330kV composite insulator is presented. High voltage test system of 330kV composite insulator is established according to the ratio of 1:1. Surface electric field and potential of the insulator is measured using GDC-100 optical fiber voltage electric field measuring instrument. Potential, electric field distribution of the two kinds of 330kV composite insulator are tested in different environment of clean, dry and uniform pollution layer. The test and simulation result is also compared.

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