CERTIFICATION
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
LIST OF FIGURES
CHAPTER ONE
INTRODUCTION
1.1 Background
1.2 Statement of Problem
1.3 Aim and Objectives
1.3.1 Aim
1.3.2 Objectives
1.4 Scope of Study
1.5 Significance of the Project
1.6 Inverters
1.6.1 Central Inverters
1.6.2 Micro Inverters
1.7 The BOS (Balance of System) 5
1.8 Solar Panels 6
1.8.1 Solar Panel Poly or Mono 6
CHAPTER TWO
7
LITERATURE REVIEW 7
2.1 INTRODUCTION 7
2.2 Components used for the design 10
2.2.1 IC SG3524 10
2.2.1.1 Description 10
2.2.1.2 Features 11
2.2.1.3 Overview 11
2.2.2 IC 4066 12
2.2.2.1 General Description 12
2.2.2.2 Features 12
2.2.3 Variable Resistor 13
2.2.3.1 Variable Resistor Connection 13
2.2.3.2 Types of Variable Resistor
2.2.3.3 Uses of variable Resistors 15
2.2.3.4 Preset Variable Resistor 15
2.2.4 Fixed Resistor 16
2.2.5 Diode IN4007 17
2.2.5.1 Features 18
2.2.5.2 Typical applications 18
2.2.6 Capacitor (47uf/50v, 10uf/50v) 18
2.2.7 Transistor (BD139, C1815, A1015) 20
2.2.7.1 Description (BD139) 20
2.2.7.2 Features (BD139) 20
2.2.7.3 Features (C1815) 20
2.2.7.4 Features (A1015) 20
2.2.8 Timer (NE555) 21
2.2.8.1 Description 21
2.2.8.2 Features 21
2.2.8.3 Application Information 21
2.2.9 Comparator (LM393)
2.2.9.1 Description 22
2.2.9.2 Features 23
2.2.10 Regulator (LM117/LM317) 24
2.2.10.1
2.2.10.2
2.2.11 MOSFET
CHAPTER THREE
METHODOLOGY
Description 24
Features 25
3.1 Block Diagram of the System 27
3.2 System Operation with block diagram
3.3 Calculating the load 28
3.3.1 Types of Load 29
3.4 Calculate the Size of Solar Panels to Supply the Load 30
Regulators
Panel Sizing
3.8 Determination of the Oscillating Frequency 34
3.9 The Drain Current of the MOSFET 34
3.10 Design of the Inverter Circuit 36
3.11 The Battery 36
3.12 The AC Mains Supply 38
3.13 The AC Mains Sensor 38
3.14 The Oscillator 39
3.15 The Driver and the Output Amplifier 39
3.16 The Inverter Transformer 39
3.16.1 Working Principle of Transformer 40
3.16.2 Faraday's Laws of Electromagnetic Induction 40
3.16.3 Main Constructional Parts of Transformer 41
3.17 The battery Charger
3.18 The Change Over
3.19 Inverter AC Output
3.20 Protections
3.21 Indicators
3.22 Switch 43
CHAPTER FOUR 44
RESULTS AND DISCUSSION 44
4.1 Discussion 44
4.2 Testing of the Inverter under load condition 45
4.3 Construction
4.4 Casing
CHAPTER FIVE
CONCLUSION AND RECOMMENDATION
5.1 CONCLUSION
5.2 RECOMMENDATION
REFERENCE
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