DESIGN AND CONSTRUCTION OF UNINTERRUPTIBLE POWER SUPPLY

ABSTRACT

The uninterrupted power supply (UPS) is design to help in the offices, workshops and house hold appliances, due to the unstable power supply being supplied by (NEPA) presently known as Power Holding Company of Nigeria (PHCN) usually supply to us.

With the help of the UPS we don't need to depend much on PHCN it is stress free because it don't need someone to change it over when light goes off, once there is any power failure it will automatically switched on and when power comes it will switch off and start charging the battery.

Another interesting thing in the UPS is that it does not need any external charger for charging the battery when it goes low, it have already built charger inside the UPS when there is light it will be charging the battery.

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 PACKAGING

ASSEMBLING OF SECTIONS

TESTING OF SYSTEM OPERATION

CHAPTER FIVE

PROBLEMS ENCOUNTERED, CONCLUSION AND RECOMMENDATION

PROBLEMS ENCOUNTERED

RECOMMENDATION

CHAPTER SIX

COST ANALYSIS

REFERENCES

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APA

Research, A. (2018). DESIGN AND CONSTRUCTION OF UNINTERRUPTIBLE POWER SUPPLY. Afribary. Retrieved from https://tracking.afribary.com/works/design-and-construction-of-uninterruptible-power-supply

MLA 8th

Research, Afri "DESIGN AND CONSTRUCTION OF UNINTERRUPTIBLE POWER SUPPLY" Afribary. Afribary, 03 Feb. 2018, https://tracking.afribary.com/works/design-and-construction-of-uninterruptible-power-supply. Accessed 22 Jan. 2025.

MLA7

Research, Afri . "DESIGN AND CONSTRUCTION OF UNINTERRUPTIBLE POWER SUPPLY". Afribary, Afribary, 03 Feb. 2018. Web. 22 Jan. 2025. < https://tracking.afribary.com/works/design-and-construction-of-uninterruptible-power-supply >.

Chicago

Research, Afri . "DESIGN AND CONSTRUCTION OF UNINTERRUPTIBLE POWER SUPPLY" Afribary (2018). Accessed January 22, 2025. https://tracking.afribary.com/works/design-and-construction-of-uninterruptible-power-supply

DESIGN AND CONSTRUCTION OF UNINTERRUPTIBLE POWER SUPPLY

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