Transformer Open Circuit and Short Circuit Tests



Related Lessons in this Series


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.


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.


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.


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.


In this 33 mins Video Lesson :
Transformer Rating, Voltage Regulation for a Transformer, Efficiency of a Transformer, Losses in a Transformer, and other topics.


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.


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.


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.


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