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- 500 A 30 Q 75 2 75 2 F2 15A T la- 200 A Setting of the Distance Relay = 150 0 Figure Q3(c) (c) Figure Q3(c) shows distance protection of a section of power system. The zone setting at A and B is 150 ohms. (i) Produce the impedance seen by the relay at A for a fault at F1. (ii) Predict whether the relay at A will operate or not, before the circuit breaker at B is tripped. (iii) Plan your answer, for the relay at B trip or not for a fault at F1 before the circuit breaker at A is tripped. (iv) If the circuit breaker C; fails for a fault at F2, make decision about the clearance of fault by the relays at A and B: (v) Comment your views for the clearance of fault at F2.

- 500 A 30 Q 75 2 75 2 F2 15A T la- 200 A Setting of the Distance Relay = 150 0 Figure Q3(c) (c) Figure Q3(c) shows distance protection of a section of power system. The zone setting at A and B is 150 ohms. (i) Produce the impedance seen by the relay at A for a fault at F1. (ii) Predict whether the relay at A will operate or not, before the circuit breaker at B is tripped. (iii) Plan your answer, for the relay at B trip or not for a fault at F1 before the circuit breaker at A is tripped. (iv) If the circuit breaker C; fails for a fault at F2, make decision about the clearance of fault by the relays at A and B: (v) Comment your views for the clearance of fault at F2.

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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- 500 A 30 Q 75 2 75 2 F2 15A T la- 200 A Setting of the Distance Relay = 150 0 Figure Q3(c) (c) Figure Q3(c) shows distance protection of a section of power system. The zone setting at A and B is 150 ohms. (i) Produce the impedance seen by the relay at A for a fault at F1. (ii) Predict whether the relay at A will operate or not, before the circuit breaker at B is tripped. (iii) Plan your answer, for the relay at B trip or not for a fault at F1 before the circuit breaker at A is tripped. (iv) If the circuit breaker C; fails for a fault at F2, make decision about the clearance of fault by the relays at A and B: (v) Comment your views for the clearance of fault at F2.
Transcribed Image Text:- 500 A 30 Q 75 2 75 2 F2 15A T la- 200 A Setting of the Distance Relay = 150 0 Figure Q3(c) (c) Figure Q3(c) shows distance protection of a section of power system. The zone setting at A and B is 150 ohms. (i) Produce the impedance seen by the relay at A for a fault at F1. (ii) Predict whether the relay at A will operate or not, before the circuit breaker at B is tripped. (iii) Plan your answer, for the relay at B trip or not for a fault at F1 before the circuit breaker at A is tripped. (iv) If the circuit breaker C; fails for a fault at F2, make decision about the clearance of fault by the relays at A and B: (v) Comment your views for the clearance of fault at F2.
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