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Transformer is one of the most important and powerful device in the field of electrical and electronics technology.The information in this write up comprises of the construction, operations and various uses of transformer. The device was constructed based on the principles of electromagnetic induction which was clearly stated by Faraday Lenz laws of electromagnetic induction. The transformer was constructed to step-down 220 voltages to 110 voltages with an output power ratings of about 1526 watts (1.52 KVA), it has an output current of 14 Amperes and an efficiency of about 94% which means that only 6% was loss (Transformer losses), so therefore, the device is highly efficient and reliable.
The materials used to construct the device was sourced out locally, the laminated iron core and the former which are the most important material were sourced from scraped transformer and recycled. The device constructed locally can compete favourably well with the imported ones.
TABLE OF CONTENTS
CHAPTER ONE
- Introduction 1
1.1 Background Information of Study 1
- Aim and Objectives 3
- Research Problems 4
- Justification of Study 4
- Limitation 5
CHAPTER TWO
- Literature Review 6
2.1 Invention of Transformer 6
- Components and Basic Operations of a Transformer 7
- Types and Application of a Transformer 9
- Transformer Stepping 11
- Working Principles of a Transformer 13
- Coefficient of Coupling 16
- Transformer Losses 17
- Transformer Rating 19
CHAPTER THREE
- Methodology 21
3.1 Study Area 21
- Analytical Techniques Used 21
- Materials and Materials Collection 22
- Construction of an AC Transformer 220V-110V 25
CHAPTER FOUR
40 Calculations and Result 27
- Determination of the Number of Turns 27
- Determination of the Copper Wire Size 29
- Turns and Voltage Ratio 31
- Turns and Current Ratio 32
- Power Relationship Between Primary and Secondary Coils 34
- Transformer Efficiency 35
CHAPTER FIVE
5.0 Conclusion 38
- Transformer Safety 38
- Cost of Construction 39
- Discussion 39
- Reference 42
CHAPTER ONE
- BACKGROUND INFORMATION OF STUDY
One of the main advantages of AC transmission and distribution is the ease with which an alternating voltage can be increased or decreased. For instance, the general practice is to generate at voltage of about 22KV, then step up to higher voltage for the transmission lines, at suitable point, the voltage is being step down to value suitable for consumption. The stepping up and down of the voltage is made possible by the use of a transformer (Edward Hughes 1995).
Transformer is one of the most significant and powerful device in ac electrical technology. It takes in power at one voltage and sends it out at another voltage point. This conversion aids the transmission of electrical power, since high voltage link carry law currents and hence incur will l
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