| ACKNOWLEDGEMENTS | 第1-5页 |
| ABSTRACT | 第5-13页 |
| CHAPTER 1 INTRODUCTION | 第13-26页 |
| ·Motivation and Objectives | 第13-15页 |
| ·Review of Previous Research | 第15-20页 |
| ·Dissertation Outline | 第20-22页 |
| References | 第22-26页 |
| CHAPTER 2 MULTILEVEL CONVERTERS' MODULATION AND CONTROL | 第26-52页 |
| ·Multilevel Topologies | 第27-32页 |
| ·Diode-Clamped Multilevel Topology | 第27-29页 |
| ·Flying Capacitor Multilevel Topology | 第29-30页 |
| ·Multilevel Configurations with Cascaded Two-Level Full-Bridge Inverters | 第30-32页 |
| ·Multilevel Digital Control Hardware | 第32-35页 |
| ·Overview of the Architecture of Digital Control Hardware | 第32-34页 |
| ·Components of the Digital Controller for SCES Power Conditioning System | 第34-35页 |
| ·Controller Architecture | 第35-39页 |
| ·Control Algorithm | 第36-39页 |
| ·Power Conditioning System Design Approach | 第39-48页 |
| ·Modeling of a Three-Level Diode-Clamped Converter | 第40-44页 |
| ·Control of the Inverter in D-Q Rotating Coordinates | 第44-48页 |
| ·Experimental Results | 第48-51页 |
| ·Conclusions | 第51页 |
| References | 第51-52页 |
| CHAPTER 3 MODULATION ALGORITHMS FOR MULTILEVEL CONVERTERS | 第52-80页 |
| ·Space Vector Modulation | 第52-61页 |
| ·Switching Vectors,Switching States and Reference Vector | 第53-55页 |
| ·Nearest Three Vector(NTV) Detection | 第55-61页 |
| ·A Fast Space Vector Modulation Algorithm | 第61-67页 |
| ·Coordinate Transformation | 第62-63页 |
| ·Detection of the Nearest Three Vectors | 第63-64页 |
| ·Duty Cycles Calculation | 第64-67页 |
| ·DSP+FPGA Practical Implementation of the Fast SVPWM Algorithm | 第67-76页 |
| ·Experimental Results | 第76-77页 |
| ·Conclusions | 第77页 |
| References | 第77-80页 |
| CHAPTER 4 NEUTRAL POINT BALANCING PROBLEM IN THREE-LEVEL DIODECLAMPED CONVERTERS | 第80-97页 |
| ·Mathematical Model of the Neutral Point Current Modulation | 第81-85页 |
| ·Analysis and Control of the Neutral Point Voltage | 第85-92页 |
| ·Simulation and Experimental Results | 第92-96页 |
| ·Conclusions | 第96-97页 |
| CHAPTER 5 THREE-LEVEL CONVERTER POWER LOSSES ANALYSIS | 第97-109页 |
| ·Operating Stages Description | 第97-99页 |
| ·Three-Level Converter Power Conduction Losses | 第99-101页 |
| ·Three-Level Converter Switching Losses | 第101-103页 |
| ·Obtained Theoretical Results | 第103-108页 |
| ·Loss Comparison between Three-Level and Two-Level Topologies | 第105-108页 |
| ·Conclusions | 第108页 |
| References | 第108-109页 |
| CHAPTER 6 CONCLUSIONS | 第109-112页 |
| Publications | 第112页 |
