Question 1 1. What are the advantages of single three phase transformer unit over a bank of single phase transformers ? 2. Descril merits and demerits of various connections of three phase transformers. 3. What do you mean by open delta connection? When it is used? 4. Show that open delta connection has a kVA rating of 58% of the rating of the normal delta-delta connection. 5. What are limitations of V-V connection ? 6. Write a short note on T-T connection. 7. With the help of phasor diagram explain how 2 phase supply can be obtained from 3 phase supply using scott connection.
Question 1 1. What are the advantages of single three phase transformer unit over a bank of single phase transformers ? 2. Descril merits and demerits of various connections of three phase transformers. 3. What do you mean by open delta connection? When it is used? 4. Show that open delta connection has a kVA rating of 58% of the rating of the normal delta-delta connection. 5. What are limitations of V-V connection ? 6. Write a short note on T-T connection. 7. With the help of phasor diagram explain how 2 phase supply can be obtained from 3 phase supply using scott connection.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Question 1
1. What are the advantages of single three phase
transformer unit over a bank of single phase
transformers ?
2. Descril merits and demerits of various connections
of three phase transformers.
3. What do you mean by open delta connection? When
it is used?
4. Show that open delta connection has a kVA rating of
58% of the rating of the normal delta-delta connection.
5. What are limitations of V-V connection ?
6. Write a short note on T-T connection.
7. With the help of phasor diagram explain how 2
phase supply can be obtained from 3 phase supply
using scott connection.
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