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

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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