If the fault current is 2 kA, the relay setting is 50 % and the CT ratio is 400/5, then what is the plug setting multiplayer of the relay?

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
Chapter10: System Protection
Section: Chapter Questions
Problem 10.8P
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If the fault current is 2 kA, the relay setting is 50 % and the CT ratio is 400/5, then what is the plug setting multiplayer of the relay?

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