DESIGN AND CONSTRUCTION OF 2KW SOLAR PANEL INVERTER
By
Author
Presented To
Department of Electrical/Electronic Engineering
ABSTRACT
This project is about the design and construction of 2KW 230 volts solar panel inverter at a frequency of 50Hz.
The device is constructed with locally sourced components and materials of regulated standard. The basic principle of its operation is a simple conversion of 12V DC from a battery using integrated circuits and semiconductors at a frequency of 50Hz, into a 230V AC across the windings of a transformer. A solar panel is used to charge the battery using a solar charge controller.
This project (device) offers a better alternative to Public Power Supply, Generators as well as UPS considering it is cost effective, noiseless and easy maintainability.
CERTIFICATION
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
LIST OF FIGURES
CHAPTER ONE
INTRODUCTION
11 Background
12 Statement of Problem
13 Aim and Objectives
131 Aim
132 Objectives
14 Scope of Study
15 Significance of the Project
16 Inverters
161 Central Inverters
162 Micro Inverters
17 The BOS (Balance of System) 5
18 Solar Panels 6
181 Solar Panel Poly or Mono 6
CHAPTER TWO
7
LITERATURE REVIEW 7
21 INTRODUCTION 7
22 Components used for the design 10
221 IC SG3524 10
2211 Description 10
2212 Features 11
2213 Overview 11
222 IC 4066 12
2221 General Description 12
2222 Features 12
223 Variable Resistor 13
2231 Variable Resistor Connection 13
2232 Types of Variable Resistor
2233 Uses of variable Resistors 15
2 234 Preset Variable Resistor 15
224 Fixed Resistor 16
225 Diode IN4007 17
2251 Features 18
2252 Typical applications 18
226 Capacitor (47uf/50v, 10uf/50v) 18
227 Transistor (BD139, C1815, A1015) 20
2271 Description (BD139) 20
2272 Features (BD139) 20
2273 Features (C1815) 20
2274 Features (A1015) 20
228 Timer (NE555) 21
2281 Description 21
2282 Features 21
2283 Application Information 21
229 Comparator (LM393)
2291 Description 22
2292 Features 23
2210 Regulator (LM117/LM317) 24
22101
22102
2211 MOSFET
CHAPTER THREE
METHODOLOGY
Description 24
Features 25
31 Block Diagram of the System 27
32 System Operation with block diagram
33 Calculating the load 28
331 Types of Load 29
34 Calculate the Size of Solar Panels to Supply the Load 30
Regulators
Panel Sizing
38 Determination of the Oscillating Frequency 34
39 The Drain Current of the MOSFET 34
310 Design of the Inverter Circuit 36
311 The Battery 36
312 The AC Mains Supply 38
313 The AC Mains Sensor 38
314 The Oscillator 39
315 The Driver and the Output Amplifier 39
316 The Inverter Transformer 39
3161 Working Principle of Transformer 40
3162 Faraday's Laws of Electromagnetic Induction 40
3163 Main Constructional Parts of Transformer 41
317 The battery Charger
318 The Change Over
319 Inverter AC Output
320 Protections
321 Indicators
322 Switch 43
CHAPTER FOUR 44
RESULTS AND DISCUSSION 44
41 Discussion 44
42 Testing of the Inverter under load condition 45
43 Construction
44 Casing
CHAPTER FIVE
CONCLUSION AND RECOMMENDATION
51 CONCLUSION
52 RECOMMENDATION
REFERENCE
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