DESIGN AND CONSTRUCTION OF AN AUTOMATIC PHASE SELECTOR

ABSTRACT: This is a technical report presented on the design and construction of an Automatic Phase Selector. In the construction work, an ordinary level knowledge of electronics principles are observed. We aimed at presenting a practical aspect of the subject and then providing the argument necessary for a thorough understanding. The reliability of the specimen was estimated after construction and testing to ensure steady state stability. The work is organized into five chapters. Chapter one introduced the subject matter. Chapter two explores the literature review of the related works. Chapter three contains a detailed account of the design work while chapter four closely attempted an analysis of the design work. Chapter five draws the curtain by concluding the work.

TABLE OF CONTENT

Tile page

Approval page

Certification page

Dedication

Acknowledgement

Abstract

Table of content

CHAPTER ONE

Introduction

Aims/Objectives of the project

Significance of the study

Methodology

CHAPTER TWO

2.1 A review of Automatic Phase Selector

2.2 Power Supply Unit

2.3 The Transformer

2.4 The Rectifier

2.5 The Filter

2.6 The Voltage Regulator

2.7 Power Circuit

2.8 The Relays

CHAPTER THREE

3.0 The Design Proper

3.1 The Power Supply

3.2 The Step down Block

3.3 The Rectifier Block

3.4 The smoothening Block

3.5 The Regulator

3.6 The Current Sink

CHAPTER FOUR

Design Analysis

The Rectifier Circuit

The Filter Circuit

Design Calculation

The DC Voltage Regulator

The Voltage Programmable Voltage Sink

CHAPTER FIVE

Discussion of Result

Conclusion

Recommendation

References