The ratings of a 3-phase circuit breaker are 1500 A. 750 MVA, 66 kV, 3 seconds. Then find (1) Rated service voltage (2) Rated current (3) Breaking capacity (4) Rated symmetrical breaking current (5) Rated making current (6) Short time rating.
The ratings of a 3-phase circuit breaker are 1500 A. 750 MVA, 66 kV, 3 seconds. Then find (1) Rated service voltage (2) Rated current (3) Breaking capacity (4) Rated symmetrical breaking current (5) Rated making current (6) Short time rating.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.21MCQ
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The ratings of a 3-phase circuit breaker are 1500 A. 750 MVA, 66 kV, 3 seconds. Then find (1) Rated service voltage (2) Rated current (3) Breaking capacity (4) Rated symmetrical breaking current (5) Rated making current (6) Short time rating.
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