论文编号:TX312论文字数:10761,页数:27
摘要
随着计算机技术的迅速发展，计算机已广泛地被应用到电力、通信、银行、化工、军事等各行各业，并且朝着网络化方向不断推进。而电源问题恰恰是计算机信息系统的一号杀手，轻则重要数据丢失，重则整个系统瘫痪，带来不可估量的损失和灾难。如何解决这一重大问题，正是UPS不间断电源的责任所在。
UPS的根本功能就是不间断地输出电源。这样就可以有效地防止由于计算机的突然断电而引起重要数据的丢失，避免不必要的损失。
本文介绍了UPS的概念、产生、定义及分类。介绍了目前各种常见的UPS，分析了UPS的工作原理。对UPS进行模块化分析，其中，重点介绍了与课题实现相关的正弦波发生器模块、逆变电路模块和SG3524模块的设计与实现。
关键词：UPS电源，正弦波逆变电路，SG3524
ABSTRACT
As the technology of calculator developing fast, the calculator has already been applied to electric power broadly, corresponds by letter, bank, chemical engineering, military etc. Every trade, and turn a direction to continuously push forward toward the network.But the power supply problem is exactly a calculator information the No.1 of the system cutthroat, lightly the important data then throws to lose, heavy the whole system then paralyzes and bring the loss and disaster that can’t estimate.How to work out this important problem, is exactly the responsibility place of the UPS without a break power supply.
The UPS basic function is without a break to output power supply.So can availably prevent from causing a throw of important data to lose because of suddenly cut the power of the calculator, avoid unnecessary loss.
This text introduced UPS concept, creation, definition and classification.Introduced currently various familiar UPS, analyzed UPS work principle. Carry on a mold piece to turn analysis to the UPS, among them, the point introduced to carry out the design and realization which flaps to concuss an electric circuit mold piece and goes against to change an electric circuit mold piece and SG3524 mold piece of the related sine wave with topic.
Keywords: Uninterrupted Power Supply, sine wave, SG3524
目录
摘要II
ABSTRACTIII
第1章 引言1
1.1 背景1
1.2 研究内容2
第2章 UPS电源3
2.1 UPS电源概述3
2.1.1 UPS电源的定义3
2.1.2 UPS的任务及目的3
2.2 UPS的分类3
2.2.1 按照逆变器的工作方式分类3
2.2.2 按照逆变器输出波形分类3
2.2.3 按照功率容量分类3
2.2.4 按照供电体制分类4
2.2.5 按照电池后备时间分类4
2.3 UPS介绍4
2.4 UPS工作原理4
第3章 正弦波逆变电路系统设计5
3.1 系统设计原理5
3.2 系统主要功能6
3.3 系统模块化分析6
3.3.1 UPS电源的总体结构6
3.3.2 UPS系统各模块简介6
3.4 使用集成运放LM324制作正弦波发生器6
3.4.1 振荡器的组成6
3.4.2 常见问题及其解决方法8
3.4.3 电路的改进9
3.5 SG3524在逆变电源中的应用10
3.5.1 SG3524型脉宽调制器的工作原理10
3.5.2 由SG3524构成的逆变电路12
第4章 基于Multisim放大电路的仿真分析14
4.1 综述14
4.2 单管共射放大电路的工作原理14
4.2.1 静态工作点分析14
4.2.2 动态分析14
4.3 Multisim的功能和特点14
4.4仿真电路15
4.5电压放大倍数16
4.6观察负反馈对非线性失真的改善16
4.7反馈深度对反馈效果的影响17
4.8 Multisim在RLC谐振电路中测定频率特性17
4.8.1用波特图仪测定17
4.8.2启动AC分析功能测定18
第5章 结束语20
致谢22
参考文献23
UPS电源的设计与实现......