Design And Construction Of An Uninterrupted Power System UPS
Complete Design And Construction Of An Uninterrupted Power System UPS Project Materials (Chapters 1 to 5):
This uninterruptible power supplies device has the capability of converting from 12volts D.C to 220volts alternating current at the frequency of 50Hz with the help of a step-up transformer. The main importance of this device is its ability to ensure absolute continuity of power to the computerized control system thereby protecting a critical equipment from electrical supply failure. Ups system achieve this by rectifying the mains supply, using the direct current to charge the standby battery and to produce a “clean” alternating current by passing through an inverter and filter system. The output produced is free of sags of services in the line voltage, frequency variation, spikes and transients.
Title Page
Certification
Dedication
Acknowledgement
Abstract
Table Of Content
Chapter One
1.0 Introduction
1.1 Project Objective
Chapter Two
2.0 Literature Review
Chapter Three
3.0 Methodology
3.1 Design Analysis
3.2 Circuit Diagram
3.3 Block Diagram
3.4 Trickle Charging
3.5 Automatic Function
Chapter Four
4.0 Principle Of Operation
4.1 Modes Of Operation Of Ups System
4.2 The Dc Source
4.3 Automatic Control System
4.4 Transformers
Chapter Five
5.0 Construction, Testing/System Evaluation
5.1 Packaging
5.2 Maintenance
Chapter Six
6.0 Conclusion/Recommendation
6.1 Costing
Bibliography
1.0 INTRODUCTION
A DC-AC Inverter is basically a device which converts direct to a sinusoidal current. There are different ways of doing this conversion to achieve better performance and reliable system.. This system is designed to generate 50Hz sinusoidal and 220volts alternating current and a total power of 200watts to provide power to sensitive equipment like computer, communication equipment, and/or to provide emergency light and power to some essential household appliances when there is power failure in the house. The desire to embark on the project was born out of the knowledge of the problem and discomfort that Nigerians faced when there is power failure in their homes or offices.
Even with generating sets, the user load will not pick-up power instantly when the failure occurs and where sensitive equipments like biomedical equipment and telecommunication equipment, where a momentary loss of power could result in equipment breakdown or data loss which could cause more labour to recreate (in the case of computer) or death in hospitals where such equipment were on power supply.
1.1 PROJECT OBJECTIVE
To overcome some of these shortcomings, a n uninterrupted power supply has been designed and constructed. This, we realized with rectifiers and inverter with a back-up power source. One interesting aspect of this system is that the unit is always in circuit when the supply authority is delivering power. The only requirement needs is a battery charger, automatic control system, inverter unit, battery (dc-source) and a step- up transformer. The mains charges the battery where the supply is ON and in the event of power failure, the load none derives its power from the battery via an automatic changeover switch.
The introduction of Design And Construction Of An Uninterrupted Power System UPS should start with the relevant background information of the study, clearly define the specific problem that it addresses, outline the main object, discuss the scope and any limitation that may affect the outcome of your findings
Literature Review of Design And Construction Of An Uninterrupted Power System UPS should start with an overview of existing research, theoretical framework and identify any gaps in the existing literature and explain how it will address the gaps
Methodology of Design And Construction Of An Uninterrupted Power System UPS should describe the overall design of your project, detail the methods and tools used to collect data explain the techniques used to analyse the collected data and discuss any ethical issues related to your project
Results should include presentation of findings and interpretation of results
The discussion section of Design And Construction Of An Uninterrupted Power System UPS should Interpret the implications of your findings, address any limitations of your study and discuss the broader implications of your findings
The conclusion of Design And Construction Of An Uninterrupted Power System UPS should include summarize the main results and conclusions of your project, provide recommendations based on your findings and offer any concluding remarks on the project.
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