TABLE OF CONTENTS
CHAPTER TITLE
PAGE ACKNOWLEDGEMENT
ii ABSTRACT
iii ABSTRAK
iv TABLE OF CONTENTS
v LIST OF FIGURES
viii LIST OF TABLES
x LIST OF APPENDICES
xi
1 INTRODUCTION
1
1.1 Background 1
1.2 Problem Statement 3
1.3 Objectives 4
1.4 Scopes of Project 4
2 LITERATURE REVIEW
5
2.1 Overview of Harmonic 5
2.2 Harmonic Refer to The IEEE Standard 6
2.3 Causes of Harmonic 8
2.3.1 Types of Equipment That Generate Harmonic
8
2.3.2 Switch Mode Power Supplies SMPS 8
2.3.3 Fluorescent Lighting Ballast 9
2.4 The Effects of Harmonic 11
2.4.1 Effect on Current 11
2.4.2 Effect on Voltage 11
2.5 Harmonic Mitigation Technique 12
2.5.1 Filters used in Power System 12
3 METHODOLOGY
16
3.1 Introduction 16
3.2 Phase 1 17
3.3 Phase 2 17
3.3.1 Project Layout 17
3.4 Phase 3 18
3.4.1 Matlab R2010b – Simulink 18
3.4.2 Project Design using MatlabSimulink 19
3.5 Phase 4 29
4 SIMULATION RESULTS
30
4.1 Characteristics of Three Phase Shunt Active Power Filter Model
30 4.2 Project Design using MatlabSimulink Full Model
30 4.3 Simulation Results without using Shunt Active
Power Filter 33
4.3.1 Total Harmonic Distortion 34
4.4 Simulation Results using A Shunt Active Power Filter
35
4.4.1 Total Harmonic Distortion 37
4.5 Active Filter Current Current Compensated 38
5 ANALYSIS AND DISCUSSION
40 5.1 Result Analysis
40 5.1.1 Simulation Results without using Shunt
Active Power Filter 40
5.1.2 Simulation Results using A Shunt Active Power Filter
41
5.1.3 Total Harmonic Distortion THD 41
5.1.4 Reference DC Voltage 44
6 CONCLUSION AND RECOMMENDATION
47
6.1 Introduction
47 6.2
Conclusion 47
6.3 Recommendation
48
REFERENCES 50
APPENDIX A 52
LIST OF FIGURES
FIGURE TITLE PAGE
2.1 Basic Components and Waveform of The Effects Of Harmonic
Distortion 5
2.2 Waveform and Harmonic Spectrum for Adjustable Speed Drive
Input Current 7
2.3 Harmonic spectrum of a typical PC
9
2.4
Harmonic spectrum of a typical CFL
10 2.5
Series Passive Filter Block
13 2.6
Shunt Passive Filter Block
14 2.7
Single Phase Active Filter, Series Configuration
15 2.8
Single Phase Active Filter, Shunt Configuration
15 3.1
Project Progress Flow Chart
16 3.2
Project Layout
17 3.3
Matlab R2010b
18 3.4
Simulink Library Browser
19 3.5
Main Circuit Model
20 3.6
Active Power Filter Model
21 3.7
Switching Controller for Shunt Power Active Filter
22 3.8
Subsystem Block Diagram for Clarke Transformation and P-Q
23 3.9
Block Diagram for Clarke Transformation Calculation V and I
23 3.10
Block Diagram for Active Power p Calculation
25 3.11
Block Diagram for Reactive Power q Calculation
25 3.12
Block Diagram for Iα and Iβ Calculation
26 3.13
Block Diagram for Reference Current Calculation Inverse Clark Transformation
27
3.14
Hysteresis Band Current Controller
28 3.15
PI Controller
29
4.1
Three Phase Shunt Power Filter Based On P-Q Theory
32 4.2
Graph of Load Current for Single Phase Red Phase
33 4.3
Graph of Load Current for Three Phase
33 4.4
Graph of Source Current for Single Phase Red Phase 34
4.5
Graph of Source Current for Three Phase
34 4.6
Graph of Total Harmonic Distortion THD for Load Current
35 4.7
Graph of Total Harmonic Distortion THD for Source Current
35 4.8
Graph of Load Current for Single Phase Red Phase
36 4.9
Graph of Load Current for Three Phase
36 4.10
Graph of Source Current for Single Phase Red Phase
37 4.11
Graph of Source Current for Three Phase
37 4.12
Graph of Total Harmonic Distortion THD for Load Current
38 4.13
Graph of Total Harmonic Distortion THD for Source Current
38 4.14
Graph of The Three Phase Shunt Active Power Filter Current Compensated Current for Single Phase
39
4.15
Graph of The Three Phase Shunt Active Power Filter Current Compensated Current and Reference Load Current
39
5.1
Graph of Total Harmonic Distortion THD for Load Current Before using Active Power Filter
42
5.2
Graph of Total Harmonic Distortion THD for Source Current Before using Active Power Filter
42
5.3
Graph of Total Harmonic Distortion THD for Load Current After using Active Power Filter
43
5.4
Graph of Total Harmonic Distortion THD for Source Current After using Active Power Filter
43
5.5
Graph of Compensated Current and Switching Frequency Pulse 240V of Reference DC Voltage
44
5.6
Graph Of Compensated Current and Switching Frequency Pulse 400V of Reference DC Voltage
45
5.7
Graph Of Compensated Current and Switching Frequency Pulse 1000V of Reference DC Voltage
45
LIST OF TABLES
TABLE TITLE
PAGE
4.1 Specifications of Project Design
30
LIST OF APPENDICES
APPENDIX TITLE PAGE
A Project Schedule Gantt Chart
52
1 CHAPTER 1
INTRODUCTION
1.1 Background
