B.E. (E.E.E) – Semester IV – Transformers and Induction Machines

lecture 1:Classificaion of Transformer

Classificaion of Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 2: Types of transformers

Types of transformers

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 3: operation of transformers

Priciple and operation of transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 4: Calculation of transformer Parameters

Calculation of transformer Parameters

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 5: Equilibrium Equation of transformer

Equilibrium Equation of transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 6: Construction of transformer

Construction of transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 7: Core type & Shell Type Transformers

Core type & Shell Type Transformers

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 8: Constant Voltage Transformer

Constant Voltage Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 9: Constant Current Transformer

Constant Current Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 10: AutoTransformer

AutoTransformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 11: Condition for Maximum Efficiency

Condition for Maximum Efficiencyr

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 12: Mutual inductance

Mutual inductance

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 13: Transformer at loaded condition

Transformer at loaded condition

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 14: Practical Transformer

Practical Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 15: Equivalent circuit of Practical Transformer

Equivalent circuit of Practical Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 16: Equivalent circuit referred to secondary

Equivalent circuit referred to secondary

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 17: phasor diagram of practical transformer

phasor diagram of practical transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 18: Polarity Test

Polarity Test

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 19: Short Circuit Test

Short Circuit Test

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 20: Load Test

Load Test

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 21: Voltage Regulation

Voltage Regulation

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 22: Full load Voltage Regulation

Full load Voltage Regulation

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 22: Full load Voltage Regulation

Full load Voltage Regulation

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 23: Efficiency

Efficiency

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 23: Efficiency

Efficiency

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 24: All-Day Efficiency

All-Day Efficiency

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 25: Single phase transformer

Single phase transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 26: Poly Phase Transformer

Poly Phase Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 27: Connectin of Poly Phase Transformer

Connectin of Poly Phase Transformer

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 28: Vector Representation of Poly Phase Transformer

Vector Representation

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 29: Per Unit Impedance

Per Unit Impedance

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 30: Phase Sequence

Phase Sequence

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 31: Unequal Voltage Ratios

Unequal Voltage Ratios

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 32: Parallel Generator theorem

Parallel Generator theorem

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 33: Basic Concepts of Three Phase Induction Motor

Basic Concepts of Three Phase Induction Motor

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 34: Construction of Induction Motor

Construction of Induction Motor

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 35: Stator Winding

Stator Winding

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 36: Slip ring Rotor

Slip ring Rotor

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 37: Torque Equation

Torque Equation

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 38: Condition for maximum torque

Condition for maximum torque

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 39: Torque-Slip Characteristics

Torque-Slip Characteristics

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 40: Approximate Equivalent Circuit of Induction Motor

Approximate Equivalent Circuit of Induction Motor

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 41: Blocked-rotor Test

Blocked-rotor Test

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 42: Equivalent Circuit of Double Squirrel-Cage Motor

Equivalent Circuit of Double Squirrel-Cage Motor

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 43: Starting of 3-Phase Induction Motors

Starting of 3-Phase Induction Motors

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 44: Auto-transformer Starter

 Auto-transformer Starter

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 45: Star-Delta Starter

Star-Delta Starter

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 46: Auto-transformer starting

 Auto-transformer starting

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 47: Speed control of Induction Machines

Speed control of Induction Machines

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 48: Rotor resistance control

Rotor resistance control

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 49: Torque-speed characteristics

 Torque-speed characteristics

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 50: Introduction of single phase induction motor

Introduction of single phase induction motor

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 51: Representation of the pulsating field by space phasors

Representation of the pulsating field by space phasors

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Lecture 52: STARTING OF SINGLE PHASE INDUCTION MOTORS

STARTING OF SINGLE PHASE INDUCTION MOTORS

Important Links

Lecture Notes
Lecture By:

Sudhakar Kothuru
Assistant Professor

Lecture Date:

—–

Assignment 1

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Question Papers : Unit 1

Question Paper

Question Papers : Unit 2

Question Paper

Question Papers : Unit 3 and Unit 4

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Question Papers : Unit 5

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Question Papers : Unit 6 and Unit 7

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Question Papers : Unit 8

Question Paper

Bibliography

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