TABLE OF CONTENTS
DECLARATION i
DEDICATION ii
COPYRIGHT iii
ACKNOWLEDGEMENTS iv
ABSTRACT v
LIST OF TABLES vii
LIST OF FIGURES viii
LIST OF ACCRONYMS AND ABBREVIATIONS ix
OPERATIONAL DEFINITION OF TERMS x
INTRODUCTION 1
1.0 Background of the Study 1
1.2 Solar Power System 2
1.3 Operating Principle of the DSTATCOM 3
1.4. Modelling of PV Array 5
1.5 Modelling of DSTATCOM 6
1.6 Simulation Results 8
1.7 Voltage Sag (Without DSTATCOM) 10
1.8 Voltage Sag (With DSTATCOM) 11
1.9. Voltage Swell (without DSTATCOM) 12
1.10. Voltage Swell (with DSTATCOM) 13
1.11. Parameters of DSTATCOM 14
1.12. Parameters of Power Systems 15
1.13.Conclusions 16
REFERENCES 17
LIST OF TABLES
Table 1.1 Parameters of DSTATCOM……………………………….…………………………14
Table 2.2 Parameters of Power System…………………………………………………………15
LIST OF FIGURES
Figure.1.1 solar power system……………………………………………………………………2
Figure.1.2. Block Diagram of the voltage source converter based DSTATCOM………………...4
Figure.1.3. Equivalent circuit of a PV cell………………………………………………………...5
Figure.1.4.Calculation for DSTATCOM voltage injection……………………………………….7
Figure.1.7. Voltage Sag Without DSTATCOM………………………………………………....11
Figure.1.8. Voltage Sag With DSTATCOM…………………………………………………….12
Figure.1.9 Voltage Swell Without DSTATCOM………………………………………………..13
Figure.1.0. Voltage Swell Without DSTATCOM…………………………………………….....14
LIST OF ACCRONYMS AND ABBREVIATIONS
PV- photovoltaic
VSC- Voltage Source Converter
VSI- Voltage Source inverter
IGBT- insulated-gate bipolar transistor
PI- proportional integral
PWM- Pulse Width Modulation
KV- Kilo Volts
DSTATCOM- Distributed Static Compensator