Below figure shows a single line diagram of a portion of a radial distribution system. The PS of Relay 3 (R3) is 75% of CT Secondary and time setting multiplier is given 0.1. The CT ratio is given with each relay and fault current of each in bus bar is given in figure. PS for R1 and R2 is set at 100%. Determine the operating time of each relay. Consider 0.25 sec for time coordination time interval. R3= 0.297 R2 = .475 R1 = .654 A B C |D 1000/1 B R₁ 10,000 A 800/1 800/1 शि R₂ R₁ 8000 A 6000 A 5000 A

Below figure shows a single line diagram of a portion of a radial distribution system. The PS of Relay 3 (R3) is 75% of CT Secondary and time setting multiplier is given 0.1. The CT ratio is given with each relay and fault current of each in bus bar is given in figure. PS for R1 and R2 is set at 100%. Determine the operating time of each relay. Consider 0.25 sec for time coordination time interval. R3= 0.297 R2 = .475 R1 = .654 A B C |D 1000/1 B R₁ 10,000 A 800/1 800/1 शि R₂ R₁ 8000 A 6000 A 5000 A

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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