数校正_电路仿真_课程设计说明书Word格式.doc

1、 phenomenon, sometimes due to a mass of party members and cadres not understanding, does not meet. In fact, the mass convincing and identityBehind are likely to be party members and leading cadres themselves ignoring beliefs held, resulting in lack of persuasion and sense of identity. is in fact gua

2、ranteed party cadres work, an important prerequisite for convincing the masses. Bacon said it well: practical men can handle individual matters, but looking at the whole operation globally, but only man can do to knowledge. Giving up two effective, must first raise awareness of leading cadres of par

3、ty members, as party members learn real responsibility to know to music , good changes, in parallel with the ground, do not forget to also answer the antenna, draw catches on meteorology, which sit between heaven and Earth which melds together the dreams of practicing Communist. Members cadres shoul

4、d in two learn a do in the based post do contribution in all members in the carried out learn Constitution Party rules, and learn series speech, do qualified members learning education, this is following party of mass line education practice activities and three strict three real topic education zhi

5、hou, deepening party education of and once important practice, is promoted topic education from key minority to all members expand, and from concentrated education to regular education extends of important initiatives. Vast numbers of party members and cadres in the course of two, should be学 号： 02课

6、程 设 计题 目DCM-BOOST功率因数校正电路仿真学 院自动化学院专 业自动化专业班 级自动化1102班姓 名李文龙指导教师朱国荣2014年1月2日课程设计任务书学生姓名： 李文龙 专业班级： 自动化1102班 指导教师： 朱国荣 工作单位： 自动化学院 题 目: DCM-BOOST功率因数校正电路仿真初始条件：输入交流电源：单相220V，频率50Hz。要求完成的主要任务: （包括课程设计工作量及其技术要求，以及说明书撰写等具体要求）1、输入功率因数达到0.99。2、输出直流电压：400V，输出功率250W。4、建立功率因数校正电路Matlab仿真模型或者saber模型。5、进行仿真，得到

7、交流侧输入电压电流波形。时间安排：课程设计时间为两周，将其分为三个阶段。第一阶段：复习有关知识，阅读课程设计指导书，搞懂原理，并准备收集设计资料，此阶段约占总时间的20%。第二阶段：根据设计的技术指标要求选择方案，设计计算。第三阶段：完成设计和文档整理，约占总时间的40%。指导教师签名： 年 月 日系主任（或责任教师）签名： 年 月 日目录摘要11 设计任务及要求21.1初始条件21.2主要任务22 功率因数校正的原理32.1功率因数校正的必要性32.2功率因数（PF）42.3功率因数和谐波的关系52.4改善开关电源功率因数及谐波问题的方法52.5 CCM Boost功率因数校正原理62.6有

8、源功率因数校正控制方法73 UC3854芯片介绍103.1 UC3854简介103.2 UC3854引脚功能概述114功率因数校正电路原理图145基于UC3854的PFC电路的仿真155.1仿真模型的建立155.2电路参数155.3仿真结果及分析16小结思考18参考文献19本科生课程设计成绩评定表非谓语动词是历年高考英语的重要考点之一，也是较难掌握的难点之一。它贯穿于英语学习和考试过程的始终。但是，只要认真分析、透彻理解、看透本质、准确把握，就一定能在高考中运筹帷幄，游刃有余。based on their actual, striving to be learningdone markers.

9、 Strengthening theoretical study, belief and faith. Theory is an action guide, only theoretical knowledge in place, to unity, action can consciously. Constitution is the fundamental law of the party, party rules are party must follow the General rules. Studying and implementing the party Constitutio

10、n Party rules and a series of important speech, General Secretary, is a guide to persisting and developing socialism with Chinese characteristics, is a basic work of strengthening the partys construction, but also each and every Communist Party Members obligations and solemn responsibility. These important content, for each party, must know would believe will do both. WeGeneral Secretary of the party Constitution, a series of remarks with, and hold, grasp the real