Mastering Transformer Vector Groups: Learn How To Analyze and Draw Windings Connections

Course Description

Learn the essentials of transformer connections – vector groups. The course starts with the vector and phasor basics and their difference. What phase shift and phase angle are and how phase shift is created in a transformer are covered in detail in the following lessons.

The course consists of 15 lessons and 1h 26 min. total duration.

You will learn why transformers are connected to form specific vector groups, the delta and star connections, and the relationship between line and phase voltages and current. What are the advantages and disadvantages of connecting transformer winding in Star or Delta?

The answers are covered in great detail.

We will discuss the 26 MVA transformer nameplate.

The course continues with defining vector group dy11, clock method, lead and lag concepts. Finally, you will learn to draw vector group and connections of dy11,dy1, yd1, yy0,dd0, yy6, and yz1 configurations.

The following topics are covered in this masterclass:

1. What is vector
2. What is phasor
3. Difference between vector and phasor
4. What is phase shift & phase angle
5. How phase shift is created in transformer
6. Why transformer with different phase shift exist
7. Why at least one delta winding is provided
8. Circuit breaker auxiliary contacts
9. Why transformers are connected to form certain vector group
10. What is delta and star connection and relationship of line and phase voltages and current
11. Advantage and disadvantage of connecting transformer winding in star or delta
12. Where to place HT windings, LT windings and tap changer windings
13. Discuss 26MVA transformer name plate
14. How to define vector group i.e. dy11
15. What is clock method, lead and lag concept
16. Draw vector group and connections of dy11, dy1, yd1, yy0,dd0, yy6 and yz1