What is Critical disruptive Voltage?
Posted On: Sep 24, 2020
It is defined as the minimum voltage at which corona discharge started to occur. In other words, the voltage at which breakdown of the dielectric strength of air occurs. It is signified by
->D represents the distance between two conductors; r is the radius of each conductor; So, the maximum gradient is at the surface is
And the critical disruptive voltage is calculated by :
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