Q5) In two experiments in the same insulation medium, different voltage levels have been applied to a sphere-sphere electrode system and after to a plane-sphere electrode system, with the same radii of the spheres (r). The graphs of breakdown voltage by changing electrode separation for both electrode systems are shown. Find the radius of spheres. The correction factor is same in both experiments. Plane Spherical Spherical electrode Spherical electrode electrode electrode 90 80 70 60 50 -Sphere-Plane -Sphere-Sphere 40 30 20 10 1 3 6. 10 d (cm) Breakdown Voltage (kV) 7,

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Electrical Engineering - High voltage system EENG451 Please solve the question quickly
Q5) In two experiments in the same insulation medium, different voltage levels have been applied to a sphere-sphere
electrode system and after to a plane-sphere electrode system, with the same radii of the spheres (r). The graphs of
breakdown voltage by changing electrode separation for both electrode systems are shown. Find the radius of spheres.
The correction factor is same in both experiments.
Spherical
electrode
Plane
Spherical
electrode
Spherical
electrode
electrode
90
80
70
60
50
-Sphere-Plane
-Sphere-Sphere
40
30
20
10
1.
4
5
6.
10
d (cm)
Breakdown Voltage (kV)
Transcribed Image Text:Q5) In two experiments in the same insulation medium, different voltage levels have been applied to a sphere-sphere electrode system and after to a plane-sphere electrode system, with the same radii of the spheres (r). The graphs of breakdown voltage by changing electrode separation for both electrode systems are shown. Find the radius of spheres. The correction factor is same in both experiments. Spherical electrode Plane Spherical electrode Spherical electrode electrode 90 80 70 60 50 -Sphere-Plane -Sphere-Sphere 40 30 20 10 1. 4 5 6. 10 d (cm) Breakdown Voltage (kV)
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