CHAPTER TOPICS
PAGE CHAPTER 2
LITERATURE REVIEW 2.1 Switchgear System
5
2.1.1 Pas chen’s Law
6 2.1.2 Vacuum Interruption Technique
7 2.1.3 Construction of Vacuum Interrupter
8 2.1.4 Operation of Vacuum Interrupter
9 2.1.5 Operation of Circuit Breaker
10 2.1.6 Trip Coil Current Profile
12 2.1.7 Construction of Trip Coil
14 2.1.8 Summary on Switchgear
15
2.2 Condition Monitoring System 16
2.2.1 Introduction of Condition Monitoring System 16 2.2.2 Purposes of Condition Monitoring System
17 2.2.3 Types of Condition Monitoring System
18 2.2.4 Application of Condition Monitoring System
for Circuit Breaker 19
2.2.5 Circuit Breaker Condition Assessment 20
2.2.6 Summary on Condition Monitoring System 21
CHAPTER 3 METHODOLOGY
3.1 Description of Overall Process 22
3.1.1 The Experiment of Trip Coil Profile 23
3.1.2 Data Collection 26
CHAPTER TOPICS
PAGE
3.1.3 Data Analysis 27
3.1.4 Full Report Writing 28
CHAPTER 4 RESULT AND ANALYSIS
4.1 The Experiment Result of Switchgear 29
4.2 The Actual Testing of Switchgear 30
4.3 The Mean Graph of Trip Coil Current Profile 31
4.4 The Histogram Graph of DC Current 32
4.5 The Histogram Graph of Time 33
4.6 The Analysis of Opening Time for Circuit Breaker 34 4.7 The Determination of Mean value
35 4.8 The Determination of Difference Value
37 CHAPTER 5
DISCUSSION 5.1 The Mean Average of Trip Coil Current Profile
39 5.2 The Uniformity of the Profiler
41 5.3 The Percentage of Difference Value Analysis
42 5.4 The Application of Circuit Breaker Condition
Assessment in Substation 42
CHAPTER 6 CONCLUSION AND RECOMMENDATIONS
6.1 Conclusion 44
6.2 Recommendation 46
BIBLIOGRAPHY 47
APPENDICES 49
LIST OF FIGURE
FIGURE TITLE
PAGE
2.1 Paschen’s Law Graph for several types of gases
6 2.2
Paschen’s Law at low pressure 7
2.3 A section type V801 vacuum interrupter
8 2.4
Basic construction of vacuum interrupter 8
2.5 A vacuum contrate contact
10 2.6
Stages of circuit breaker operation 11
2.7 Illustration of circuit breaker operation
12 2.8
Trip Coil Current Profile 13
2.9 Cross Section of a Common Trip Coil
14 2.10
Condition Monitoring Work Frame 16
3.1 Flow Char
t of Methodology’s Summary 23
3.2 DC Supply of Breaker Mechanism and Control Circuit
24 3.3
The un-mounted of 33kV Switchgear 24
3.4 The Kelman Profiler
25 3.5
Raw data obtained from the experiment 25
3.6 The connection of DC Probe
26 3.7
The connection of DC Voltage Probe and AC Current Probe 27
4.1 The result of the experiment at ILSAS
29 4.2
The result of the Actual Testing 30
4.3 The mean average graph of Trip Coil Current Profile
31 4.4
Histogram graph of DC Current 32
FIGURE TITLE
PAGE
4.5 Histogram graph of Time
33 5.1
A Typical Trip Coil Current Profile 39
5.2 Circuit Breaker Condition Assessment Application
43
LIST OF TABLE
TABLE TITLE
PAGE
4.1 The Opening Time for Circuit Breaker
34 4.2
Determination of Mean 35
4.3 Determination of Difference Value
37 5.1
The Summary of the TCCP Section 41
LIST OF ABBREVIATION
ABBREV NAME
DC -
Direct Current emf
- electromagnetic force
PMU -
Penca wang Masuk Utama
Transmission Main Intake PPU
-
Penca wang Pembahagian Utama
Main Distribution Substation SSU
- Stesen Suis Utama
Main Switching Station ILSAS
- TNB Integrated Learning Solution
A -
Ampere ms
- Millisecond
V -
Volts LRT
- Light Rail Transit
MSG -
Malaysian Sheet Glass Sdn. Bhd. TCCP
- Trip Coil Current Profile
LIST OF APPENDICES
NUM TITLE
PAGE
Appendix A Flow Chart for Final Year Project I II
I Appendix B
Gantt Chart FYP II
Appendix C Technical Data for 33kV TAMCO Switchgear
III Appendix D
Experiment Result at ILSAS IV
Appendix E Actual Testing for Trip Coil Current Profile around
Kuala Lumpur and Selangor Area V
Appendix F Turn-It-In Plagiarism Report
VI
CHAPTER 1
INTRODUCTION
1.1 Background
