1. Peak to peak ripple is defined as a) The difference between average dc voltage and peak value b) The difference between ac (rms) and average dc voltages c) The difference between maximum ac and average dc voltages d) The difference between maximum and minimum dc voltage e) The difference between maximum and average dc voltage 2. Gas insulated substation (GIS) use following gas for insulation а) СО b) Hydrogen c) Sulfur hexafluoride d) Nitrogen e) Helium 3. The Townsends Criterion for Threshold sparking is given as: a) yead = 2 b) еad c) ead /y = d) y(ead – 1)2 = 1 e) y(ead – 1) = 1 = 1 -

1. Peak to peak ripple is defined as a) The difference between average dc voltage and peak value b) The difference between ac (rms) and average dc voltages c) The difference between maximum ac and average dc voltages d) The difference between maximum and minimum dc voltage e) The difference between maximum and average dc voltage 2. Gas insulated substation (GIS) use following gas for insulation а) СО b) Hydrogen c) Sulfur hexafluoride d) Nitrogen e) Helium 3. The Townsends Criterion for Threshold sparking is given as: a) yead = 2 b) еad c) ead /y = d) y(ead – 1)2 = 1 e) y(ead – 1) = 1 = 1 -

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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