| The main innovation of the thesis | 第3-4页 |
| 摘要 | 第4-7页 |
| Abstract | 第7-12页 |
| Chapter Ⅰ Introduction to microgrid | 第16-26页 |
| 1.1 Introduction and general information about microgrid | 第16-19页 |
| 1.1.1 Background | 第16-18页 |
| 1.1.2 Significance of the subject | 第18-19页 |
| 1.2 Overview and development status of islanded microgrid | 第19-20页 |
| 1.2.1 Overview and development of islanded microgrid | 第19页 |
| 1.2.2 Development Status of islanded microgrid | 第19-20页 |
| 1.3 Overview of microgrids and research status at home and abroad | 第20-22页 |
| 1.3.1 Microgrid overview in China | 第20-21页 |
| 1.3.2 Microgrid overview abroad | 第21-22页 |
| 1.4 Problem statement | 第22-26页 |
| 1.4.1 Thesisobjective | 第22-23页 |
| 1.4.2 Specific objective | 第23页 |
| 1.4.3 Project scope | 第23页 |
| 1.4.4 Methodology | 第23-26页 |
| 1.4.4.1 Microgrid overview of control | 第23-25页 |
| 1.4.4.2 Thesis outline | 第25-26页 |
| Chapter Ⅱ Description of micro sources and its features | 第26-80页 |
| 2.1 Modeling and control of microturbine generation system | 第26-34页 |
| 2.1.1 Introduction | 第26页 |
| 2.1.2 Construction of microturbine | 第26-34页 |
| 2.2 Mathematical modeling of microturbine | 第34-46页 |
| 2.2.1 Speed and acceleration control | 第35-36页 |
| 2.2.2 Fuel control system | 第36-37页 |
| 2.2.3 Compressor turbine system | 第37-38页 |
| 2.2.4 Temperature control system | 第38-40页 |
| 2.2.5 Permanent magnet synchronous machine | 第40-45页 |
| 2.2.6 Power electronics control on machine side | 第45-46页 |
| 2.3 Droop control | 第46-48页 |
| 2.3.1 Characteristics of conventional droop control | 第47页 |
| 2.3.2 Conventional droop control with a pure inductance line | 第47页 |
| 2.3.3 Conventional droop control with a pure resistive line | 第47页 |
| 2.3.4 Conventional droop control with complex impedance | 第47-48页 |
| 2.4 Type of droop control modified | 第48-56页 |
| 2.4.1 Modified droop control method for parallel operation | 第48页 |
| 2.4.2 Droop control modified with adaptive transient droop gain | 第48-49页 |
| 2.4.3 Robust droop multiple loop control method | 第49-50页 |
| 2.4.4 Droop control with low pass filter modified | 第50页 |
| 2.4.5 Virtual synchronous generator | 第50-51页 |
| 2.4.6 Sine virtual active power-frequency droop control | 第51-52页 |
| 2.4.7 Angle droop control | 第52-53页 |
| 2.4.8 Droop control based on synchronized operation | 第53页 |
| 2.4.9 Q-V dot droop control method | 第53-54页 |
| 2.4.10 State of charge based on droop control | 第54页 |
| 2.4.11 Arctan droop control | 第54-56页 |
| 2.5 Voltage source inverter modeling and control | 第56-60页 |
| 2.5.1 Voltage/frequency control loops | 第56-57页 |
| 2.5.2 Diagram of voltage and current-loop controller | 第57-60页 |
| 2.6 Mathematical modeling of photovoltaic cell and battery | 第60-76页 |
| 2.6.1 Introduction on photovoltaic cell | 第60-61页 |
| 2.6.2 Type of photovoltaic array | 第61-64页 |
| 2.6.3 Specific design of photovoltaic cell and working principle | 第64-66页 |
| 2.6.4 Equation and standard curves of photovoltaic array | 第66-71页 |
| 2.6.5 Control method of active and reactive power | 第71-73页 |
| 2.6.6 Description of photovoltaic array and battery | 第73-76页 |
| 2.7 Mathematical model of battery and energy management | 第76-80页 |
| 2.7.1 Available types of battery storage | 第76-80页 |
| Chapter Ⅲ Stratified of frequency and voltage regulation of micro grid in islanded mode | 第80-88页 |
| 3.1 Design of current loop | 第82-83页 |
| 3.2 Control strategy for photovoltaic array power generation | 第83-85页 |
| 3.3 Energy management from battery | 第85-87页 |
| 3.4 Summary of this Chapter Ⅲ | 第87-88页 |
| Chapter Ⅳ Simulation results and discussion | 第88-94页 |
| 4.1 Parameters and simulation conditions | 第88-94页 |
| Chapter Ⅴ Overall conclusion and future work | 第94-96页 |
| 5.1 Conclusions contributions | 第94-95页 |
| 5.2 Future work | 第95-96页 |
| References | 第96-108页 |
| ACKNOWLEDGEMENTS | 第108页 |
