Routine tests for high voltage composite suspension insulator

 

 

The introduction of the routine tests for high voltage composite suspension insulator:

The routine tests for high voltage composite suspension insulator include the two parts: electrical tests and mechanical tests.

 

The electrical tests of high voltage composite suspension insulator include high-frequency test and low frequency test. This classification is decided by the environment, the high-frequency test for high voltage composite suspension insulator is done under the wet condition and the low-frequncy tests for high voltage composite suspension insulator is done under the dry condition.

 

The high frequency test method for the high voltage composite suspension insulator is :The shells or insulators shall be subjected to a damped high-frequency voltage sufficient to cause flashover for from 3 to 5 seconds and the frequency shall be approximately 200 kilphertz in damped trains.

 

The low-frequency test method for high voltage composite suspension insulator is: the shells or insulators shall be subjected to vigorous dry flashover for from 3 to 5 minutes. 

 

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