声明
摘要
Abstract
TABLE OF CONTENTS
Chapter 1 Introduction
1．1 Necessity and Importance of Research on the Topic
1．2 Research Status about the Topic
1．3 Main Points of the Research
Chapter 2 Multilevel Inverters
2．1 What is an Inverter
2．2 Introduction to Multilevel Inverter
2．2．1 Concept of Multilevel Inverter
2．3 Multilevel Inverter Topologies
2．3．1 Cascaded H-bridge Multilevel Inverters
2．3．2 Diode Clamped Multilevel Inverters
2．3．3 Flying Capacitor Multilevel Inverters
Chapter 3 Fire Fly Algorithm
3．1 Inspiration behind Fire Fly Algorithm
3．2 Fire Fly，as an Insect
3．3 Fire Fly Algorithm
3．3．1 Attractiveness
3．3．2 Distance
3．3．3 Movements
3．3．4 The Asymptotes
3．3．5 Advantages
3．3．6 The Pseudo Code
3．3．7 Flow Chart
3．3．8 Applications
3．3．9 Variants of Fire Fly Algorithm
Chapter 4 SHE-PWM
4．1 Introduction
4．2 PWM
4．3 Carrier Based PWM Methods
4．4 SHE-PWM
4．4．1 Three Level SHE-PWM
4．5 Comparison of SHE with SPWM
Chapter 5 Implementation of the Firefly Algorithm and Multilevel Inverter Topologies
5．1 Introduction
5．2 Pseudo Code
5．3 FLOW CHART
5．4 Simulation Results and Graphs
5．5 SIMULINK Model 1-11 Level Flying Capacitor (capacitor clamped) Inverter Three Phase
5．5．1 Model Components
5．5．2 Pulse generator
5．5．3 Configuration of inverter
5．5．4 Output Voltage Waveforms
5．5．5 FFT Analysis
5．6 SIMULINK Model 2-11 Level Neutral Point Clamped／Diode Clamped Inverter Three Phase
5．6．1 Model Components
5．6．2 Configuration of inverter
5．6．3 Output Voltage Waveforms
5．6．4 FFT Analysis
5．7 SIMULINK Model 3-11 Level Cascaded H-Bridge Inverter Three Phase
5．7．1 Model Components
5．7．2 Configuration of inverter
5．7．3 Output Voltage Waveforms
5．7．4 FFT Analysis
5．8 Conclusion
Chapter 6 Summary and Further work
References
Appendix
Acknowledgement
