基于MATLAB仿真的电力系统故障分析

毕业设计（论文）基于MATLAB仿真的电力系统故障分析

学院名称学院名称

专业名称专业名称

学生学号学生学号

学生姓名学生姓名

指导教师教授姓名

助理指导老师老师姓名

202 年月

摘要........................................................................ I Abstract.................................................................... II 1 绪论. (1)

1.1 电力系统短路故障的危害 (1)

1.2 基于Matlab仿真系统故障的前景 (1)

2 无穷大功率电源供电系统三相短路仿真 (1)

2.1无穷大功率电源供电系统三相短路的暂态过程 (2)

2.2无穷大功率电源供电系统仿真模型构建 (3)

2.3 Matlab仿真模型及结果分析 (9)

3 基于Matlab仿真的同步发电机突然短路的暂态过程分析 (11)

3.1同步发电机突然三相短路暂态过程分析 (12)

3.2 同步发电机突然三相短路暂态过程的数值计算与Matlab仿真 (13)

3.2.1同步发电机突然三相短路暂态过程的数值计算 (13)

3.2.2同步发电机突然三相短路暂态过程的Matlab仿真 (15)

4 基于Matlab仿真的小电流接地系统单相故障分析 (19)

4.1 小电流接地系统单相故障特点简介 (19)

4.2 小电流接地系统仿真模型构建 (21)

4.2.1中性点不接地系统的仿真模型及计算 (21)

4.2.2中性点经消弧线圈接地系统的仿真模型及计算 (24)

4.3小电流接地系统单相故障仿真结果及分析 (25)

4.3.1中性点不接地系统的仿真结果及分析 (26)

4.3.2中性点经消弧线圈接地系统的仿真结果及分析 (28)

5 结论与展望 (29)

参考文献 (31)

致谢 (32)

Abstract ......................................................................................................................... II 1 Introduction .. (1)

1.1 The harm of electric power system short circuit fault (1)

1.2 The prospect of the fault simulation system based on Matlab (1)

2 The infinite power three-phase power system short circuit simulation (1)

2.1 Transient process of three-phase short circuit in infinite power supply system .. 2 2.2 Simulation mode construction of power supply system for infinite power supply3

2.3 The result and analysis of simulation (9)

3 Transient simulation of sudden short circuit for synchronous generator (11)

3.1 the introduction of the process of the sudden three-phase short circuit transient of synchronous generator (12)

3.2 Numerical calculation and simulation of the sudden three-phase short circuit transient of synchronous generator (13)

3.2.1 Numerical calculationof the sudden three-phase short circuit transient of synchronous generator (13)

3.2.2 Simulation method for the sudden three-phase short circuit transient of synchronous generator (15)

4 Single phase fault of small current grounding system (19)

4.1 Brief introduction to the characteristics of single phase fault in small current grounding system (19)

4.2 Simulation model construction of small current grounding system (21)

4.2.1The simulation model and the calculation of neutral point grounding system21

4.2.2The simulation model and calculation of the grounding system of the neutral point via the arc suppression coil (24)

4.3 Simulation results and analysis ...............................................错误!未定义书签。

3.3.1The results of simulation and analysis of neutral point grounding system (26)

3.3.2The simulation results and analysis of the grounding system of the neutral point via the arc suppression coil (28)

5 Conclusion and prospect (29)

Reference (31)

Thanks (32)