ANALYSIS OF POWER QUALITY PROBLEMS IN SOLAR POWER DISTRIBUTION SYSTEM

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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

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ANALYSIS OF POWER QUALITY PROBLEMS IN SOLAR POWER DISTRIBUTION SYSTEM

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