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Q2) For the redial system showen in a figl. If three phase fault current 5000 A occures at the far end find a)The actual time of operation for IDMT induction type overcurrent relays R1, R2, and R3 b)The TSM for relays R1, and R3 c)Draw the characteristics for the relays for TSM-0.2, and 0.6 time margin between relays for discrimnation is 0.5 sec. The characteristics for the relays are givem in the table and fig below for TSM- 2 RI CTS=500/1 CS-125% TSM-? R2 CTS-500/1 CS-100% TSM-04 R3 CTS-400/1 CS-125% TSM-? Operating time (Seconds)-> 12 10 8 19 R 60 10 12 14 10 10 20 ·PS34 MX TR₁ R2 R3 5000A Fg.l.

Q2) For the redial system showen in a figl. If three phase fault current 5000 A occures at the far end find a)The actual time of operation for IDMT induction type overcurrent relays R1, R2, and R3 b)The TSM for relays R1, and R3 c)Draw the characteristics for the relays for TSM-0.2, and 0.6 time margin between relays for discrimnation is 0.5 sec. The characteristics for the relays are givem in the table and fig below for TSM- 2 RI CTS=500/1 CS-125% TSM-? R2 CTS-500/1 CS-100% TSM-04 R3 CTS-400/1 CS-125% TSM-? Operating time (Seconds)-> 12 10 8 19 R 60 10 12 14 10 10 20 ·PS34 MX TR₁ R2 R3 5000A Fg.l.

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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Q2) For the redial system showen in a figl. If three phase fault current 5000 A occures at the far end find a)The actual time of operation for IDMT induction type overcurrent relays R1, R2, and R3 b)The TSM for relays R1, and R3 c)Draw the characteristics for the relays for TSM-0.2, and 0.6 time margin between relays for discrimnation is 0.5 sec. The characteristics for the relays are givem in the table and fig below for TSM- 2 RI CTS=500/1 CS-125% TSM-? R2 CTS-500/1 CS-100% TSM-04 R3 CTS-400/1 CS-125% TSM-? Operating time (Seconds)-> 12 10 8 19 R 60 10 12 14 10 10 20 ·PS34 MX TR₁ R2 R3 5000A Fg.l.
Transcribed Image Text:Q2) For the redial system showen in a figl. If three phase fault current 5000 A occures at the far end find a)The actual time of operation for IDMT induction type overcurrent relays R1, R2, and R3 b)The TSM for relays R1, and R3 c)Draw the characteristics for the relays for TSM-0.2, and 0.6 time margin between relays for discrimnation is 0.5 sec. The characteristics for the relays are givem in the table and fig below for TSM- 2 RI CTS=500/1 CS-125% TSM-? R2 CTS-500/1 CS-100% TSM-04 R3 CTS-400/1 CS-125% TSM-? Operating time (Seconds)-> 12 10 8 19 R 60 10 12 14 10 10 20 ·PS34 MX TR₁ R2 R3 5000A Fg.l.
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