毕业设计（论文）-大容量电容器直流电源的设计.doc

摘要
针对当前一些末端变电站中使用蓄电池式直流电源存在的问题,设计了基于大容量电容器储能的直流电源方案。大容量电容器作为一种新型电力储能技术,由于其动态响应速度快,储、释能效率高,产品规格化无需定制,便于扩容等特点,被认为是一种非常有前途的电能存储器件。大容量电容器直流电源是大容量电容器储能系统中最为关键部位,其可靠工作对提高大容量电容器储能系统的效率和能量利用率,增强储能系统的可靠性具有重要的意义。本文立足于大容量电容器直流电源的研究与应用设计,建立了大容量电容器储能的等效模型;分析了大容量电容器的运行原理,总结了其储能特性与优点;分析了直流电源的并列均流技术,实现了开关电源的模块化设计;根据设计方案的分析,采用扰动前馈加反馈控制策略实现直流电源储能单元控制,最后用MATLAB 进行仿真实验,验证了大容量电容器应用于直流电源系统的可行性和优越性。
关键词:大容量电容器,电能储存,直流电源
Abstract
Some end of the substation for the current DC power supply used in the battery problem, design a large-capacity capacitor energy storage based on the DC power supply options. Large-capacity capacitor energy storage technology as a new type of power, because of its dynamic response speed, storage, release energy efficient, standardized product without customization, ease of expansion, etc., is considered a very promising energy storage device. Large-capacity capacitor DC power is the large-capacity capacitor energy storage system in the most critical parts of their work to improve the reliable large-capacity capacitor energy storage system efficiency and energy efficiency, and enhance the energy storage system reliability is of great significance. This large-capacity capacitors based on the research and application of DC power supply design, build large-capacity storage capacitor equivalent model; analysis of large-capacity capacitor operating principle, summed up the storage characteristics and advantages; analysis of parallel DC power supply are streaming technology, to achieve a modular switching power supply design, according to the design scheme of analysis, using disturbance feedforward plus feedback control policy implementation control DC power storage unit; Finally, Jin Xing MATLAB simulation experiments verify a large-capacity capacitor used in DC power system feasibility and superiority.
Key words: Large-capacity capacitors, energy storage, DC
目录
摘要 I
Abstract II
第一章绪论 1
选题的意义 1
直流电源介绍 2
直流电源系统中的蓄电池组及其存在问题 2
镉镍蓄电池直流电源 2
1.