here it is. took a while putting the right keywords into google.
http://www.kronjaeger.com/hv/hv/msr/spk/
extreme test point on there: needle vs 100cm diameter spheres.
with both at 300KV, the arc still completes at a distance of 54.7cm, while with the 100cm diamater spheres it will only complete at a gap of 11.5cm.
almost a factor of 5.
http://www.kronjaeger.com/hv/hv/msr/spk/
extreme test point on there: needle vs 100cm diameter spheres.
with both at 300KV, the arc still completes at a distance of 54.7cm, while with the 100cm diamater spheres it will only complete at a gap of 11.5cm.
almost a factor of 5.