For the following schematic, if a double-line ground fault occurs at node 5, calculate the currents in the generator. Use Vbase = 10 KV (L-L) and Sbase = 300 KVA on the node 4 side. The voltage at node 4 is 10 KV.

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
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...
icon
Related questions
Question

For the following schematic, if a double-line ground fault occurs at node 5, calculate the currents in the generator.
Use Vbase = 10 KV (L-L) and Sbase = 300 KVA on the node 4 side. The voltage at node 4 is 10 KV.

N
14
製
01
12
C
M
1
DD
Transcribed Image Text:N 14 製 01 12 C M 1 DD
ELEMENT
GENERATOR (G)
TRANSFORMER (T1)
TRANSFORMER (T2)
TRANSFORMER (T3)
TRANSMISSION LINE
LOAD (C1)
LOAD (C2)
LOAD (C3)
MOTOR (M)
Plate Data 30
250 KVA, 13.8 KV
225 KVA, 13.8Y/110AKV
50 KVA 13.8Y/6.6YKV
200 KVA, 108Y/13.8YKV
5 KVARS, fp = 0.90(-)
10 KW,
fp = 0.85(-)
30 KW,
fp = 0.80(-)
25 KVA,
fp = 0.80(+)
X₁=X₂=X"d
20%
5%
5%
10%
Z= 2/45
100%
100%
100%
6%
Xo
4%
8%
8%
8%
50%
100%
5%
100% 5%
100%
10%
Xn
5%
Transcribed Image Text:ELEMENT GENERATOR (G) TRANSFORMER (T1) TRANSFORMER (T2) TRANSFORMER (T3) TRANSMISSION LINE LOAD (C1) LOAD (C2) LOAD (C3) MOTOR (M) Plate Data 30 250 KVA, 13.8 KV 225 KVA, 13.8Y/110AKV 50 KVA 13.8Y/6.6YKV 200 KVA, 108Y/13.8YKV 5 KVARS, fp = 0.90(-) 10 KW, fp = 0.85(-) 30 KW, fp = 0.80(-) 25 KVA, fp = 0.80(+) X₁=X₂=X"d 20% 5% 5% 10% Z= 2/45 100% 100% 100% 6% Xo 4% 8% 8% 8% 50% 100% 5% 100% 5% 100% 10% Xn 5%
Expert Solution
steps

Step by step

Solved in 8 steps with 5 images

Blurred answer
Knowledge Booster
Three Phase Transformer
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Power System Analysis and Design (MindTap Course …
Power System Analysis and Design (MindTap Course …
Electrical Engineering
ISBN:
9781305632134
Author:
J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:
Cengage Learning