Using the Ohmic Reactance method, Calculate:1. Total impedance in N at 1000 V (use the table to look the impedance of the transformer up)2. Fault current at 1000 V11 kv2 MVA1000 V4=2kAPrimury ValtageReactance at MVA RatingMVA Hating p1AV22AV33 KV132AV0.253.54045505065655.51.0556020607530657.5100657.51007.015100A ahoe100100

1) The 3-phase system is given as Since, prior to the fault, the system was in No-load condition.…

Answered: Using the Ohmic Reactance method,…

Using the Ohmic Reactance method, Calculate: 1. Total impedance in 2 at 1000 V (use the table to look the impedance of the transformer up) 2. Fault current at 1000 V

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 3.10P: A single-phase step-down transformer is rated 13MVA,66kV/11.5kV. With the 11.5 kV winding...

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Question

Using the Ohmic Reactance method, Calculate:
1. Total impedance in N at 1000 V (use the table to look the impedance of the transformer up)
2. Fault current at 1000 V
11 kv
2 MVA
1000 V
4=2kA
Primury Valtage
Reactance at MVA Rating
MVA Hating p1AV
22AV
33 KV
132AV
0.25
3.5
40
45
50
50
65
65
5.5
1.0
55
60
20
60
75
30
65
7.5
100
65
7.5
100
7.0
15
100A ahoe
100
100

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