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The current rating of a relay is 5A, PSM= 1.5, TMS=0.4, CT ratio = 400/5, fault current is 600A. Determine operating time of the relay. At TMS = 1, the following operating time at various PSM are given below: PSM a) 2 b) 4 c) 5 d) 8 e) 10 f) 20 Operating Time g) 10 h) 5 i) 4 j) 3 k) 2.8 I) 2.4

The current rating of a relay is 5A, PSM= 1.5, TMS=0.4, CT ratio = 400/5, fault current is 600A. Determine operating time of the relay. At TMS = 1, the following operating time at various PSM are given below: PSM a) 2 b) 4 c) 5 d) 8 e) 10 f) 20 Operating Time g) 10 h) 5 i) 4 j) 3 k) 2.8 I) 2.4

Introductory Circuit Analysis (13th Edition)
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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The current rating of a relay is 5A, PSM= 1.5, TMS=0.4, CT ratio = 400/5, fault current is 600A. Determine operating time of the relay. At TMS = 1, the following operating time at various PSM are given below: PSM a) 2 b) 4 c) 5 d) 8 e) 10 f) 20 Operating Time g) 10 h) 5 i) 4 j) 3 k) 2.8 I) 2.4
Transcribed Image Text:The current rating of a relay is 5A, PSM= 1.5, TMS=0.4, CT ratio = 400/5, fault current is 600A. Determine operating time of the relay. At TMS = 1, the following operating time at various PSM are given below: PSM a) 2 b) 4 c) 5 d) 8 e) 10 f) 20 Operating Time g) 10 h) 5 i) 4 j) 3 k) 2.8 I) 2.4
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