A single-line diagram of a three-phase balanced system is given below. All the motors are rated with the same rating. The synchronous generator in the given figure is operating at 20KV, when a bolted three-phase short circuit occurs at point P. Calculate the rated interrupting current rating of circuit breaker B and C, both in per unit and Ampere value.
A single-line diagram of a three-phase balanced system is given below. All the motors are rated with the same rating. The synchronous generator in the given figure is operating at 20KV, when a bolted three-phase short circuit occurs at point P. Calculate the rated interrupting current rating of circuit breaker B and C, both in per unit and Ampere value.
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
Chapter11: Transient Stability
Section: Chapter Questions
Problem 11.9P
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![A single-line diagram of a three-phase balanced system is given below. All the motors are
rated with the same rating. The synchronous generator in the given figure is operating at 20KV,
when a bolted three-phase short circuit occurs at point P. Calculate the rated interrupting
current rating of circuit breaker B and C, both in per unit and Ampere value.
5000 KVA
G.9KV
25,0TO KVA
22 KV
25,00OKVA
Xm=15%
Metrr
A
13
Gen
22/11 KV
*g = 12%.
X= 10%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fece7e606-938e-44e8-b05b-06bd3ea38933%2F5277ff4a-0908-4ce9-9dd4-210d190724e5%2Fvdihidp_processed.png&w=3840&q=75)
Transcribed Image Text:A single-line diagram of a three-phase balanced system is given below. All the motors are
rated with the same rating. The synchronous generator in the given figure is operating at 20KV,
when a bolted three-phase short circuit occurs at point P. Calculate the rated interrupting
current rating of circuit breaker B and C, both in per unit and Ampere value.
5000 KVA
G.9KV
25,0TO KVA
22 KV
25,00OKVA
Xm=15%
Metrr
A
13
Gen
22/11 KV
*g = 12%.
X= 10%
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