This document contains a table of contents for a thesis that discusses a theft monitoring system for electricity meters. The table of contents lists 7 chapters that will be covered in the thesis, including an introduction, descriptions of the components used in the system like current transformers and microcontrollers, details about an infrared alarm for meter tampering, the theft control system and circuit diagrams, results and discussion, and conclusions. Chapter headings and their page numbers are provided in the table of contents to give an overview of the content and organization of the thesis.

1. v
TABLE OF CONTENTS
CANDIDATE DECLARATION ii
ABSTRACT iii
ACKNOWLEDGEMENT iv
TABLE OF CONTENTS v – vi
LIST OF FIGURES vii
LIST OF TABLES viii
LIST OF SYMBOLS ix
Chapter 1: Introduction 1 - 3
1.1 Introduction 1
1.2 Motivation 2
1.3 Objective 2
1.4 Circuit diagram 3
Chapter 2: Components used 4 - 22
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.9
2.3.1
2.3.2
2.3.3
2.4.1
2.4.2
Current Transformer (C.T)
89S52 Microcontroller
Liquid Crystal Display
Overview
Color Display
LCD Detail
GSM
GSM Modem
GSM Architecture
Step Down Transformer
Reset Circuitry
Diode
Crystal Oscillator
4
7
12
12
14
15
17
17
18
19
20
20
21
Chapter 3: Infrared alarm for meter tampering 23 – 26
3.1 Infrared Alarm 23

2. vi
3.2 Component used 24
3.3
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
IC 555 AND 8 PIN BASE
Infra Red LED
Capacitor
Photodiode
NPN Transistor BC 548
Circuit Diagram
24
25
25
25
26
26
Chapter 4: Theft control system 27- 34
4.1
4.2
4.3
4.4
4.3.1
4.4.1
4.4.2
Introduction-Theft Control
Stealing
Analog to Digital Converter
Circuit Diagram
MAX 232
Voltage levels
Applications
27
28
28
32
32
33
34
Chapter 5: RESULT AND DISCUSSION 35
Chapter 6: CONCLUSION 36
REFERENCE 37
APPENDIX 38-44

3. vii
LIST OF FIGURES
Figure 1.1 Main line theft
Figure 1.2 Thefts method
Figure 1.3 Circuit diagram of theft monitoring
Figure 2.1 Typical current transformers
Figure 2.2 Construction of current transformers
Figure 2.3 Turns ratio in C.T
Figure 2.4 Pin diagram of 8051 microcontroller
Figure 2.5 Architecture of 8051 microcontroller
Figure 2.6 Reflective twisted pneumatic liquid crystal display.
Figure 2.7 a sub pixel of a color LCD
Figure 2.8
Figure 2.9
Figure 2.10
Figure 2.11
Figure 2.12
Figure 2.13
Figure 2.14
Figure 2.15
Figure 3.1
Figure 3.2
Figure 3.3
Figure 3.4
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
Figure 4.5
Figure 4.6
Figure 4.7
Typical LCD
GSM SIM900
Step Down Transformer
Reset Circuitry
Regulated IC 7805(left side) and diode (right side)
Connection of full wave rectifier circuit
Connection of IC 89s51 to crystal oscillator.
Crystal oscillator
IC 555
Infrared sensor
Photodiode symbol
Infrared sensor
LCD connection
Schematic representation of ADC
ADC conversion process
Sampling
ADC pin diagram
RS MAX 232
MAX RS 232

4. viii
LIST OF TABLES
Table 4.1 Analog to digital data
Table 4.2 Voltage Level Description of MAX RS 232

5. ix
LIST OF SYMBOLS
Is : Secondary Current
Vs: Secondary Voltage
Ns: Total Number Of Secondary Turns
Np: Total Number Of primary Turns
Vss
EN
Vcc
Vee
RS
DB0- DB7
GROUND
ENABLE
+5VOLT SUPPLY
POWER SUPPLY TO CONTROL CONTRAST
REGISTER
LCD GPIO pins