| 摘要 | 第4-5页 |
| Abstract | 第5页 |
| 1 Introduction | 第8-12页 |
| 1.1 Background and significance of the research | 第8页 |
| 1.2 Basic concept of distributed power supply | 第8-9页 |
| 1.3 Domestic and foreign development status | 第9-10页 |
| 1.3.1 Renewable sources outlook | 第9-10页 |
| 1.3.2 Wind power plants | 第10页 |
| 1.3.3 Solar energy | 第10页 |
| 1.4 The main content | 第10-12页 |
| 2 The types of DG and effects on distribution network system | 第12-21页 |
| 2.1 The types of DG | 第12-18页 |
| 2.1.1 Wind power generation | 第12-14页 |
| 2.1.2 Fuel cell | 第14-15页 |
| 2.1.3 Photovoltaic (PV) power generation | 第15-17页 |
| 2.1.4 Micro gas turbine generation | 第17-18页 |
| 2.2 DG integration to grid and its effect on the power distribution system | 第18-19页 |
| 2.2.1 Effect on planning of power distribution network | 第18页 |
| 2.2.2 Effect on power quality of power distribution network | 第18-19页 |
| 2.2.3 Effect on relay protection of distribution network | 第19页 |
| 2.2.4 Effect on system reliability | 第19页 |
| 2.3 Summary | 第19-21页 |
| 3 Discussion and analysis of power flow calculation in distribution network | 第21-32页 |
| 3.1 Overview of power flow calculation in distribution network | 第21页 |
| 3.2 The concept of power flow calculation in distribution network | 第21页 |
| 3.3 Basic requirements for power flow calculation of distribution network | 第21-22页 |
| 3.4 Characteristics of power flow calculation in distribution network | 第22-26页 |
| 3.4.1 Power flow calculation of distribution network with main feeder | 第22-24页 |
| 3.4.2 Power flow calculation of distribution network with lateral branch of feeder trunk | 第24-26页 |
| 3.5 Comparison of power flow calculation method for radial distribution network | 第26-31页 |
| 3.5.1 Busbar-class algorithm | 第26-27页 |
| 3.5.2 Branch-class algorithm | 第27-31页 |
| 3.6 Summary | 第31-32页 |
| 4 An analysis of power flow calculation for distribution network based on Forward and Backward Sweep Method | 第32-46页 |
| 4.1 The basic principle of Forward and Backward Sweep Method | 第32-35页 |
| 4.2 The Forward and Backward Sweep Method based on branch current | 第35-40页 |
| 4.2.1 Algorithm description | 第35-36页 |
| 4.2.2 Convergence analysis | 第36-40页 |
| 4.3 Calculation example analysis | 第40-45页 |
| 4.3.1 The first example | 第40-42页 |
| 4.3.2 The second example | 第42-45页 |
| 4.4 Summary | 第45-46页 |
| 5 Reactive power optimization for distribution network with DG based on hybrid intelligent algorithm | 第46-66页 |
| 5.1 The optimization algorithm | 第46-49页 |
| 5.1.1 The classical reactive power optimization algorithm | 第46-48页 |
| 5.1.2 Artificial intelligence algorithms in reactive power optimization | 第48-49页 |
| 5.2 The basic idea of GA mixed with ACO | 第49-50页 |
| 5.3 Mathematical model of distribution network reactive power optimization | 第50-52页 |
| 5.3.1 The objective function of reactive power optimization | 第50-51页 |
| 5.3.2 Constraint conditions of reactive power optimization | 第51-52页 |
| 5.4 Reactive power optimization based on hybrid intelligent algorithm | 第52-55页 |
| 5.4.1 Realization of hybrid intelligent algorithm | 第52-54页 |
| 5.4.2 Flow chart of the hybrid intelligent algorithm | 第54-55页 |
| 5.5 Calculation example and simulation analysis | 第55-65页 |
| 5.5.1 Using IEEE-30 node standard test system data | 第55-60页 |
| 5.5.2 Selection of simulation parameter | 第60页 |
| 5.5.3 Result analysis | 第60-65页 |
| 5.6 Summary | 第65-66页 |
| Conclusions | 第66-67页 |
| Acknowledgement | 第67-68页 |
| References | 第68-71页 |
| Research achievement during working for the degree | 第71页 |
