Grading ring in composite insulators ice flash process

    Composite insulators under clean conditions uneven distribution of electric field and potential equalizing effect of equalizing ring is very important; after icing, electric field and potential distribution is more uniform, then the role of grading ring becomes more apparent. At the same time, the mounting position change greater impact equalizing ring of composite insulators field and potential distribution. This paper calculated under clean conditions and without changing the people of icicles, while (length icicles are 8. 2em) change the grading ring position change computing field and potential distribution of the high-pressure side to calculate the maximum field strength changes, and study the changes in the high-pressure end of the average electric field between the high voltage end of the first big umbrella and a large high-pressure end of the first and second umbrella umbrella between.

    In order to study the ceramic insulator equalizing affect the installation position of the ring insulator for electric field and potential distribution along the surface of a clean and icing conditions (icicles length of 8.2cm) of composite insulators were calculated.

    In the case of complex sets of insulators clean the outer diameter equalizing ring is d. - 40cm, diameter d2 = 4cm, high-pressure end position - 15 - + 15cm, the knot electrical fittings and insulation to zero, close to gold with negative side, close to the insulating end is positive.