Three Phase Power Transformer Library

Three Phase Power Transformer Library

➣ Introduction

     Advantages of Three Phase Transformers

➣ Construction of Three Phase Transformers

     Core Type Construction

     Shell Type Construction

➣ Principle of Operation

➣ Bank of Single Phase Transformers

➣ Three Phase Transformer Connections

➣ Star-Star Connection

     Advantages

     Disadvantages

➣ Delta-Delta Connection

     Advantages 

     Disadvantages

➣ Star-Delta Connection

     Advantages     

     Disadvantages

➣ Delta-Star Connection

     Advantages     

     Disadvantages

➣ Voltage and Current Relationships for Different Types of Connections

     Choice of Transformer Connection

➣ Open Delta or V-V Connection

     Limitation

➣ The T-T Connection

➣ Conversion From Three Phase to Two Phase (Scott Connection)

➣Three Phase to Six Phase Conversion

➣ Labelling of Transformer Terminals

➣ Heat Run Test on Three Phase Transformer

➣ Three Phase Transformer Phasor Group

     Nomenclature of Transformer Phasor Groups
➣ Construction of Phasor Diagram

➣ Parallel Operation of Three Phase Transformers

➣ Excitation Phenomenon in Transformer

➣ Harmonics in Transformer

➣ Transformer Inrush Current

➣ Transformer Winding (part1   part2)

➣ Hysteresis and Eddy Current Losses

➣ Stacked and Wound Core Construction

➣ Types of Transformer

➣ Transformer Performance Measures

➣ Open Circuit and Short Circuit Test of Transformer

➣ Transformer Theory and Operation

➣ Magnetic Circuit in Transformer

➣ Electromagnetism