design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display - for B.Sc, HND, and OND project topics and material

DESIGN AND CONSTRUCTION OF A CUSTOM WINDED TRANSFORMER BASED VARIABLE 0-50 VDC POWER SUPPLY WITH DIGITAL DISPLAY

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TITLE PAGE

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--/H2013/01430
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SCHOOL OF ---
INSTITUTE OF ---

DECEMBER,2018

APPROVAL PAGE

This is to certify that the research work, "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.

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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.

ACKNOWLEDGEMENT

The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.

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ABSTRACT

This project work is on design of a custom transformer based variable power supply with digital display. A variable power supply supplies different level of electric energy to an electrical load. The primary function of a variable power supply is to supply different electrical energy to loads that fall at the same rating limit.
The transformer is one of the most common devices in our electrical system for power supply, and transformers are in use across a wide variety of practical applications wherever there is a need to convert alternating current from one voltage level to another.
Transformers can either increase (“step up”) or decrease (“step down”) the voltage and current levels of their supply, without modifying its frequency, or the amount of electrical power being transferred from one winding to another via a magnetic circuit. Custom transformers allow you to do this at any input and output voltage you have a need for, at all different levels of amp. Custom transformer was used in this work to supply variable power to the system

TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
CHAPTER ONE

INTRODUCTION
BACKGROUND OF THE PROJECT
PROBLEM STATEMENT
AIM AND OBJECTIVE OF THE PROJECT
LIMITATION OF THE PROJECT
SIGNIFICANCE OF THE PROJECT
APPLICATION OF THE PROJECT
PROJECT ORGANISATION

CHAPTER TWO
LITERATURE REVIEW

REVIEW OF VARIABLE POWER SUPPLY
REVIEW OF GENERAL APPLICATION OF POWER SUPPLY APPLICATIONS
REVIEW OF OTHER TYPES OF POWER SUPPLY
REVIEW OF CUSTOM TRANSFORMER POWER SUPPLY

CHAPTER THREE
METHODOLOGY

SYSTEM BLOCK DIAGRAM
SYSTEM CIRCUIT SPECIFICATION
CIRCUIT DIAGRAM
CIRCUIT DESCRIPTION
PARTS LIST
DISPLAY UNIT
CODE

CHAPTER FOUR
4.0      RESULT ANALYSIS
4.1      CONSTRUCTION PROCEDURE AND TESTING
4.2      CASING AND PACKAGING
4.3      ASSEMBLING OF SECTIONS
44       TESTING OF SYSTEM OPERATION
4.5      OBSERVATIONS
CHAPTER FIVE

CONCLUSION
RECOMMENDATION

REFERENCES

CHAPTER ONE
1.0                                                        INTRODUCTION
1.1                                           BACKGROUND OF THE STUDY
A power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another and, as a result, power supplies are sometimes referred to as electric power converters. Some power supplies are discrete, stand-alone devices, whereas others are built into larger devices along with their loads.
Every power supply must obtain the energy it supplies to its load, as well as any energy it consumes while performing that task, from an energy source. Depending on its design, a power supply may obtain energy from various types of energy sources, including electrical energy transmission systems, energy storage devices such as a batteries and fuel cells, electromechanical systems such as generators and alternators, solar power converters, or another power supply.
All power supplies have a power input, which receives energy from the energy source, and a power output that delivers energy to the load. In most power supplies the power input and output consist of electrical connectors or hardwired circuit connections, though some power supplies employ wireless energy transfer in lieu of galvanic connections for the power input or output. Some power supplies have other types of inputs and outputs as well, for functions such as external monitoring and control.
The transformer is one of the most common devices in used in building a variable power supply, and transformers are in use across a wide variety of practical applications wherever there is a need to convert alternating current from one voltage level to another. When building a power supply, a standard transformer or custom winded transformer can be used. Custom transformers was used in this work. It allows one to use any input and output voltage you have a need for, at all different levels of amp.
This work is aimed at building a custom transformer based variable power supply with digital display.
1.2                                                  PROBLEM STATEMENT
Using standard transformer for a power supply is always difficult to achieve complex input and output and consumes much energy. Custom made transformers are uniquely designed to relevant dimensions, physical constraints, and terminations. Therefore, they offer more effective solutions than a standard transformer that may not fit well. Custom made transformers provide the reliability, quality, and efficiency that most industrial applications require

AIM AND OBJECTIVE OF THE PROJECT

The aim of this study is to build a variable power supply with custom transformer and LCD display. The objectives are:

Design new custom power transformers
Create prototype transformers
Build new transformers to meet your exact specifications

1.3                                           LIMITATION OF THE PROJECT
This device is limited at producing 0 – 50 v output using a custom transformer and LCD display.
1.4                                         SIGNIFICANCE OF THE PROJECT
This work makes it possible for someone to use one power supply to run different devices of higher or lower voltage rating without considering buying a new or different power supply.
1.5                                          APPLICATION OF THE PROJECT
A variable power supply is a regulator that electricians and electrical project hobbyists use to test the capacity of voltage for any project they may have completed. Variable power supply with custom transformers for a wide range of industries, including audio, medical, industrial, power and signal applications, and more
1.6                                          PROJECT ORGANISATION
The work is organized as follows: chapter one discuses the introductory part of the work, chapter two presents the literature review of the study, chapter three describes the methods applied, chapter four discusses the results of the work, chapter five summarizes the research outcomes and the recommendations.

CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" is also available. Order full work to download. Chapter two of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" consists of the literature review. In this chapter all the related works on "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" were reviewed.

CHAPTER THREE: The complete chapter three of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" is available. Order full work to download. Chapter three of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" consists of the methodology. In this chapter all the method used in carrying out this work was discussed.

CHAPTER FOUR: The complete chapter four of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" is available. Order full work to download. Chapter four of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" consists of all the test conducted during the work and the result gotten after the whole work

CHAPTER FIVE: The complete chapter five of design and construction of a "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" is available. Order full work to download. Chapter five of "design and construction of a custom winded transformer based variable 0-50 vdc power supply with digital display" consist of conclusion, recommendation and references.

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