1. An Ideal Transformer - 1

In this 27 mins Video Lesson

What is a Transformer, Why do we need Transformers, Understanding an Ideal Transformer, Voltage Ratio in Ideal Transformer, Step Up and Step Down Transformer, Auto Transformer, EMF Equation, and other topics.

What is a Transformer, Why do we need Transformers, Understanding an Ideal Transformer, Voltage Ratio in Ideal Transformer, Step Up and Step Down Transformer, Auto Transformer, EMF Equation, and other topics.

2. An Ideal Transformer - 2

In this 14 mins Video Lesson

Current Ratio in an Ideal Transformer, Transformer - Circuit Symbol and Dot Notation, Power and Efficiency in an Ideal Transformer, Assumptions under Ideal Transformer, and other topics.

Current Ratio in an Ideal Transformer, Transformer - Circuit Symbol and Dot Notation, Power and Efficiency in an Ideal Transformer, Assumptions under Ideal Transformer, and other topics.

3. Practical Transformers

In this 35 mins Video Lesson

Understanding a Practical or a Real Transformer, Winding Resistance, Leakage Reactance, Magnetizing Reactance, Core Loss Resistance, Real Transformer under No Load, No Load Current, Wattful/ Active and Magnetizing/ Wattless Components, Phasor Diagram under no Load for a Practical Transformer, Practical Transformer On Load, Phasor Diagram of Practical Transformer On Load, and other topics.

Understanding a Practical or a Real Transformer, Winding Resistance, Leakage Reactance, Magnetizing Reactance, Core Loss Resistance, Real Transformer under No Load, No Load Current, Wattful/ Active and Magnetizing/ Wattless Components, Phasor Diagram under no Load for a Practical Transformer, Practical Transformer On Load, Phasor Diagram of Practical Transformer On Load, and other topics.

4. Impedance Transformations in Transformers

In this 31 mins Video Lesson

Understanding Impedance Transformations, Reflecting Secondary Impedance to Primary, Reflecting Primary Impedance and Voltage Source to Secondary, Typical Problems, Equivalent Circuit of a Practical Transformer, and other topics.

Understanding Impedance Transformations, Reflecting Secondary Impedance to Primary, Reflecting Primary Impedance and Voltage Source to Secondary, Typical Problems, Equivalent Circuit of a Practical Transformer, and other topics.

5. Transformer Parameters - Rating, Efficiency and Regulation

In this 33 mins Video Lesson

Transformer Rating, Voltage Regulation for a Transformer, Efficiency of a Transformer, Losses in a Transformer, and other topics.

Transformer Rating, Voltage Regulation for a Transformer, Efficiency of a Transformer, Losses in a Transformer, and other topics.

6. Typical Problems on Transformers and Conditions for Maximum Efficiency

In this 35 mins Video Lesson

Problems on Transformer Parameters, Calculating Input Voltage, Calculating Voltage Regulation, Calculating Efficiency, Conditions for Maximum Efficiency of a Transformer, and other topics.

Problems on Transformer Parameters, Calculating Input Voltage, Calculating Voltage Regulation, Calculating Efficiency, Conditions for Maximum Efficiency of a Transformer, and other topics.

7. Transformer Open Circuit and Short Circuit Tests

In this 29 mins Video Lesson

Open Circuit or No Load Test for a Transformer, Calculating Wattful and Magnetizing Current, Calculating Magnetizing Reactance and Core Loss Resistance, Calculating Iron Losses, Short Circuit or Impedance Test for a Transformer, Calculating Copper Losses, Calculating equivalent Winding Resistance and Leakage Reactance, Calculating Voltage Regulation, Calculating Efficiency, and other topics.

Open Circuit or No Load Test for a Transformer, Calculating Wattful and Magnetizing Current, Calculating Magnetizing Reactance and Core Loss Resistance, Calculating Iron Losses, Short Circuit or Impedance Test for a Transformer, Calculating Copper Losses, Calculating equivalent Winding Resistance and Leakage Reactance, Calculating Voltage Regulation, Calculating Efficiency, and other topics.

8. Typical Problems on Transformer Tests

In this 18 mins Video Lesson

Understanding the Problem, Analysing Open Circuit Test Data, Analysing Short Circuit Test Data, Solving for Efficiency, Solving for Voltage Regulation, and other topics.

Understanding the Problem, Analysing Open Circuit Test Data, Analysing Short Circuit Test Data, Solving for Efficiency, Solving for Voltage Regulation, and other topics.

Transformers
(5.08 Mb)

Construction, working principle, Emf equation, ideal and practical transformer, transformer on no load and on load, phasor diagrams, equivalent circuit, O.C. and S.C test, Efficiency.