The per-unit impedance of a system is 0.7 pu. The base KVA is 300 kVA, and the base voltage is 11 kV. What is the per-unit impedance referred to as the 400-KVA and 38-KV base values? 0.0782 0.0735 0.0674 0.0691

The per-unit impedance of a system is 0.7 pu. The base KVA is 300 kVA, and the base voltage is 11 kV. What is the per-unit impedance referred to as the 400-KVA and 38-KV base values? 0.0782 0.0735 0.0674 0.0691

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 3.47P: Consider the oneline diagram shown in Figure 3.40. The three-phase transformer bank is made up of...

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Question

TOPIC: Transmission Lines, Power Systems, and Powerplants:

INSTRUCTIONS:
- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.
- Step-by-step solution, do not skip even simple calculations to avoid confusion.
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PROBLEM:

The per-unit impedance of a system is 0.7 pu. The base KVA is 300 kVA, and the base voltage is 11 kV. What is the per-unit impedance referred to as the 400-KVA and 38-KV base values?

0.0782
0.0735
0.0674
0.0691

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