本科生毕业设计<论文)题目 10kV 配电线路实时动态无功补偿讨论 电气与自动化工程学院< 系)自动化专业学生姓名学号指导老师职称指导老师工作单位起讫日期摘要本文分析了无功功率对电力系统的不良影响,说明了无功补偿的必要性和 重要意义,以无功补偿技术及装置的进展进程为线索,分析了不同时期无功补 偿技术状况及特点,以实例说明了我国10kV 配电系统无功补偿的应用情况。从 无功补偿的基本理论出发,阐述了无功补偿的基本原理、基本方法,说明了无 功补偿的作用,进行了无功补偿的策略分析。本文介绍了晶闸管的工作特性和参数,讨论了晶闸管串联技术,针对目前 晶闸管投切电容器进行无功补偿存在的主要问题,提出了用晶闸管串联开关投 切 10kV 电容器的方案,给出了晶闸管串联开关的静态和动态均压方法,设计出 了主电路结构,并对晶闸管参数的选择进行了分析和计算。对晶闸管触发技术进行了详细的分析和讨论,给出峰值电压触发方式的数 字电路的设计方案,并通过了仿真实验,阐述了晶闸管触发系统的抗干扰措 施。基于 MATLAB 仿真软件,本文对电容器投切控制及晶闸管触发装置进行了实 验讨论,并得出与理论分析一致的结论。关键词:无功补偿;动态无功补偿装置;晶闸管;触发控制电路;MATLAB 仿 真ABSTRACTThis paper analysis the adverse effects of reaction power in the power system, illustrates necessity of using the method of reaction power compensation and its important significance. Wit the development process of reactive compensation technology and its devices, expounds the stales and characteristics about var compensation technology in the different periods. By living examp the paper illustrates reaction power compensaicoifiosi aprl lOkV distribution l ine in our country.Beginingwith the basictheoryof reactioipower compensation,illustratehe basic principles and basic compensation methods, and its function.The paper introduces the working characteristics and parameters of the thyristor, investiga the thyristor’ s specialty and technique in series, in allusion to the problem existences in r compensation with capaci...