<p> </p><p>TITLE PAGE</p><p>CERTIFICATION</p><p>DEDICATION</p><p>ACKNOWELDGEMENT</p><p>TABLE OF CONTENTS</p><p>LIST OF TABLE </p><p>ABSTRACT</p><p><b>

Chapter ONE

</b></p><p>1.0 INTRODUCTION</p><p>1.1 THE TRANSFORMER UNIT</p><p>1.2 THE CONTROL CIRCUITING</p><p><b>

Chapter TWO

</b></p><p><b>2.0 LITERATURE REVIEW</b></p><p>2.1 HISTORY OF THE PROJECT</p><p>2.2 THE POWER SUPPLY</p><p>2.3 THEORY OF TRANSFORMER</p><p>2.4 OPERATION OF THE TRANSFORMER</p><p>2.5 VOLTAGE TRANSFORMATION RATION </p><p>2.6 TRANSFORMER LOSSES</p><p><b>

Chapter THREE

</b></p><p><b>3.0 THE CONTROL CIRCUITING</b></p><p>3.1 TRANSISTORS</p><p>3.2 RELAY</p><p>3.3 THE CONTROL UNIT</p><p>3.4 THE POWER SUPPLY UNIT</p><p>3.5 VOLTAGE DIVIDER</p><p><b>

Chapter FOUR

</b></p><p><b>4.0 DESIGN ANALYSIS</b></p><p>4.1 DESIGN FO A TRANSFORMER</p><p>4.2 DESIGN OF THE TRANSFORMER PROPER</p><p>4.3 CONTROL CIRCUIT DESIGN</p><p>4.4 DESIGN CALCULATION</p><p>4.5 PRINCIPLE OF OPERATION</p><p><b>

Chapter FIVE

</b></p><p><b>5.0 CONSTRUCTION AND TESTING OF THE TRANSFORMER</b></p><p>5.1 SHORT CIRCUIT TEST</p><p>5.2 TESTING OF THE TRANSFORMER </p><p>5.3 OPEN CIRCUIT TEST</p><p>5.4 SUMMARY </p><p>5.5 CONCLUSION</p><p>5.6 RECOMMENDATIONS</p><p><b>5.7 REFERENCES</b></p><p>LIST OF FIGURES</p><p>

Chapter ONE

</p><p>1.0 Block diagram representation of the voltage stabilizer</p><p>

Chapter TWO

</p><p>2.0 The Sheel Type Transformer</p><p>

Chapter THREE

</p><p>3.0 Circuit Diagram of 1.5 KVA Automatic Voltage Stabilizer</p><p>3.1 Transistor Diagram</p><p>3.2 Relay Diagram </p><p>3.3 Block diagram for a typical power supply with corresponding Wve form for each stage</p><p>3.4 Exact circuit diagram for the power supply stage have the automatic voltage stabilizer </p><p>3.5 Block diagram of voltage divider</p><p>

Chapter FOUR

</p><p>4.0 Schematic representation of the transformer with different voltage level.</p><p>4.1 Size of the lamination used for the design and construction of the transformer</p><p>4.2 Graph of (Max) against VCB</p><p>4.3 The comparator circuit diagram</p><p>

Chapter FIVE

</p><p>5.0 Short circuit test</p><p>5.1 Open circuit test</p><p>5.2 Casing diagram</p> <br><p></p>