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Q2 (1). In Figure 2-1, two curves represent fault currents supplied by two sources in case of phase faults at different corresponding locations. Overcurrent protection 1 and 2 are designed to protect line A- B. If there is no directional element, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? (2). If only one directional element is available, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? A B K1 IK1 g K2 Figure 2-1 IK2

Q2 (1). In Figure 2-1, two curves represent fault currents supplied by two sources in case of phase faults at different corresponding locations. Overcurrent protection 1 and 2 are designed to protect line A- B. If there is no directional element, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? (2). If only one directional element is available, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? A B K1 IK1 g K2 Figure 2-1 IK2

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 (1). In Figure 2-1, two curves represent fault currents supplied by two sources in case of phase faults at different corresponding locations. Overcurrent protection 1 and 2 are designed to protect line A- B. If there is no directional element, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? (2). If only one directional element is available, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? A B K1 IK1 g K2 Figure 2-1 IK2
Transcribed Image Text:Q2 (1). In Figure 2-1, two curves represent fault currents supplied by two sources in case of phase faults at different corresponding locations. Overcurrent protection 1 and 2 are designed to protect line A- B. If there is no directional element, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? (2). If only one directional element is available, please explain how the setting values for overcurrent protection 1 and 2 could be calculated? A B K1 IK1 g K2 Figure 2-1 IK2
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