What is Per Unit System? In the given picture, would there be any difference in calculation of the transformers, if you choose primary or secondary side? Explain in words. 111kv 13-8 KV 13.8KV/5KV D load 20MVA X= 8%. X-4%

What is Per Unit System? In the given picture, would there be any difference in calculation of the transformers, if you choose primary or secondary side? Explain in words. 111kv 13-8 KV 13.8KV/5KV D load 20MVA X= 8%. X-4%

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 3.28P: For the system shown in Figure 3.34. draw an impedance diagram in per unit by choosing 100 kVA to be...

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Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

What is Per Unit System? In the given picture, would there be any difference in calculation
of the transformers, if you choose primary or secondary side? Explain in words.
111kv 13-8 KV
13 8KV/5KV
load
20MVA
X= 8%.
X-4%

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