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PROJECT TOPIC: ANALYSIS OF EFFECTS OF CONDUCTOR TRANSPOSITION ON THE 132KV ALAOJI-PH TRANSMISSION LINE
Department: Electrical Electronics
AMOUNT: 20,000
FORMAT: MS WORD
PAGES: 82
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ABSTRACT
Electrical power transmission is the bulk movement of electrical energy from a generating site, such as a power plant to an electrical substation. The interconnected lines which facilitate this movement are known as a transmission network. According to existing concept the transposition of transmission line phases is intended for reducing the unbalance of current and voltage in normal operation mode of electric system and for limiting the obstructive influence of transmission lines to low-frequency transmission channel. The transmission line system (TL) has a significant importance as it undertakes the task of transmitting electricity from source of production to end users. One of the major challenges affecting the transmission line system in Nigeria is the line losses and continual vandalism of the 132KV Sub-transmission lines in the various regions of the country, the mutual influence of electrical conductors is reduced by transposition. Transposition also equalizes their impedance relative to the ground.
TABLE OF CONTENT
Title page i
Abstract ii
Declaration iii
Certification iii
Dedication iv
Acknowledgement v
Table of content viii
List of Figure ix
CHAPTER 1: INTRODUCTION
1.1 Background of the Study 1
1.2 Statement of problem of study 6
1.3 Aim of study 7
1.4 Objective of Study 7
1.4.2 Specific Objectives 7
1.5 Significance of Study 7
1.6 Scope and limitation 7
CHAPTER 2: LITERATURE REVIEW
2.1 Prior Studies on Power Sector 9
2.1.2 Power Supply in Nigeria 10
2.1.3 Electricity Generation Capacity in Nigeria 13
2.1.4 Overview of transmission Lines in Nigeria 16
2.1.4.1 Short Transmission Line 22
2.1.4.2 Medium Transmission Line 22
2.1.4.3 Long Transmission Line 24
2.1.5 Concept of Transposition 25
2.1.6 Conductors commonly used Conductor Materials 27
2.1.6.1 Types of Conductors 27
2.1.7 Transmission Line Parameter 29
2.1.8 Analysis of a Conductive Half Space 34
CHAPTER 3: MATERIALS & METHOD 39
3.1 Introduction 39
3.2 Line conductor xteristics 39
3. 3 Materials and Methods 39
3.4 Formulation of Power Flow Equations 41
3.4.1 Self Admittance 41
3.4.2 Mutual Admittance 41
3.4.3 Admittance matrix 42
3.5 Gauss-Seidel Method for Power Flow Solution 43
3.6 Acceleration of Convergence 44
3.7 Algorithm for Gauss- Seidel Method 45
3.8 Transmission Line Calculation 46
3.8.1 Resistance per kilometer R0 46
3.8.2 Reactance per kilometer X0 46
3.9 Distribution System Load Calculation 47
3.10 Simulation of the Network 47
CHAPTER 4: RESULT AND DISCUSSION 49
4.1 Simulation System 49
4.2 Parameters used in the Analysis 50
4.3 Supply Voltages 52
4.4 Discussion of findings 64
CHAPTER 5: CONCLUSION AND RECOMMENDATION 66
5.1 Conclusion 66
5.2 Recommendation 67
5.3 Contribution to knowledge 68
REFERENCES 69
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