Question

It is found that e = 60 i + 20 j - 30 k mv/m at a particular point on the interface between air and a conducting surface. Value of d and p at that point would be

Answer 1

. The voltage range of +-10 % of the nominal voltage defined in EN 50160 has to be guaranteed by the utility only in 95 % of the 10 minute average values. Incidents which are shorter than 10 minutes cannot be avoided and may not be criticized.