Q2. In a concentric spherical electrode system at the optimum geometry with regard to breakdown the outer radius is r2 = 50 cm. The insulator breakdown strength is Eb = 30 kV/cm. a) For the optimum geometry with regard to breakdown calculate the inner radii (r) b) Calculate the breakdown voltage (Vb) c) If the applied voltage is U = 300 kV, find the values of inner radii (ri) where no breakdown occurs. Also sketch the Emax with respect to ri and show all of the discharge events (partial discharge, no breakdown, complete breakdown).

Q2. In a concentric spherical electrode system at the optimum geometry with regard to breakdown the outer radius is r2 = 50 cm. The insulator breakdown strength is Eb = 30 kV/cm. a) For the optimum geometry with regard to breakdown calculate the inner radii (r) b) Calculate the breakdown voltage (Vb) c) If the applied voltage is U = 300 kV, find the values of inner radii (ri) where no breakdown occurs. Also sketch the Emax with respect to ri and show all of the discharge events (partial discharge, no breakdown, complete breakdown).

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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