Design And Construction Of Uninterruptible Power Supply

Design And Construction Of Uninterruptible Power Supply

Power Supply

ABSTRACT

The uninterruptible 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.

Cover Page
Title Page
Approval Page
Dedication
Acknowledgement
Abstract
Table Of Contents
Chapter One
1.0 Introduction
1.1 Inverter Section/Oscillation
1.2 Automatic Control Section
1.3 Aim Of The Design

Chapter Two
2.0 Definition Of Terms/Components Description
2.1 Resistors
2.2 Capacitors
2.3 Transistors
2.4 Field Effect Transistors
2.5 Relays
2.6 Diode
2.7 Transformer

Chapter Three
3.0 Sectional Decription Fo The System
3.1 Oscillation Circuit Section
3.2 Circuit Operation
3.3 Waveform Of An Oscillation
3.4 Waveform Of An Inverter
3.5 Switching Circuit Section
3.6 Power Transformer And Ivnerter Action
3.7 Precaution During Winding Of Transformer
3.8 Automatic Circuit Section/Charger
3.10 Complet Circuit Diagram Of The Ups

Chapter Four
4.0 Construction Procedure And Testing
4.1 Casig And Packign
4.2 Assembling Of Sections
4.3 Testign Of System Operation

Chapter Five
5.0 Problems Encountered, Conclusiona Nd Recommendation
5.1 Problems Encountered
5.2 Recommendation

Chapter Six
6.0 Cost Analysis
References