Question: A 7-cm uniform field gap shown in the figure is required to be insulated with three dielectric materials to withstand 120-kV. The thickness and

A 7-cm uniform field gap shown in the figure is required to

A 7-cm uniform field gap shown in the figure is required to be insulated with three dielectric materials to withstand 120-kV. The thickness and relative dielectric constants of the materials are; a1=2cm, az=3cm, az=2cm E= 2.1 62= 6.2 3= 2.1 (a) Find electric stresses (intensity) in each layer and percent change of electric field stresses. (b) Voltage drop across each layer. (c) Plot voltage and electric field stress variations across the gap using the following axis's. E(kV/em) (kV) Page 2 of 4

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