TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENTS
CHAPTER ONE
INTRODUCTION
INVERTER SECTION/OSCILLATION
AUTOMATIC CONTROL SECTION
AIM OF THE DESIGN
CHAPTER TWO
DEFINITION OF TERMS/COMPONENTS DESCRIPTION
RESISTORS
CAPACITORS
TRANSISTORS
FIELD EFFECT TRANSISTORS
RELAYS
DIODE
TRANSFORMER
CHAPTER THREE
SECTIONAL DESCRIPTION FOR THE SYSTEM
OSCILLATION CIRCUIT SECTION
CIRCUIT OPERATION
WAVEFORM OF AN OSCILLATION
WAVEFORM OF AN INVERTER
SWITCHING CIRCUIT SECTION
POWER TRANSFORMER AND INVERTER ACTION
PRECAUTION DURING WINDING OF TRANSFORMER
AUTOMATIC CIRCUIT SECTION/CHARGER
COMPLETE CIRCUIT DIAGRAM OF THE UPS
CHAPTER FOUR
CONSTRUCTION PROCEDURE AND TESTING
CASING AND PACKING
ASSEMBLING OF SECTIONS
TESTING OF SYSTEM OPERATION
CHAPTER FIVE
PROBLEMS ENCOUNTERED, CONCLUSIONS ND RECOMMENDATION
PROBLEMS ENCOUNTERED
RECOMMENDATION
CHAPTER SIX
COST ANALYSIS
REFERENCES
