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基于STM32的ups不间断电源设计 电气121李承永
28页1、青岛理工大学毕业设计(论文)摘 要随着计算机技术、网络技术、通信技术的发展,国民经济、国防军工、 政府部门的各个领域要保障计算机信息网络系统的安全、可靠运行,就离 不开UPS不间断电源,这已成为信息业界乃至各行各业的共识。 根据UPS不间断供电的原理,本文以提高UPS的可靠性为基本点,从UPS 电源装置的结构和形式来考虑其设计方案。整个UPS主电源装置由整流/ 充电器、逆变器、静态旁路、维修旁路等部分组成。整流/充电器(包括蓄 电池)为UPS提供在线工作的能量输入;逆变器为UPS提供在线工作的高质 量的稳压稳频的交流电输出;静态旁路为UPS在整流/充电器或者逆变器故 障情况下提供旁路工作电源,逆变器供电和静态旁路供电之间可实现不间 断供电切换;维修旁路为UPS定期检修或故障维修时提供旁路电源。 基于电源技术的高频化、模块化、数字化、绿色化的发展方向,本文 结合现代电力电子技术以及信息处理技术的最新发展,利用微机作为控制 核心,研究和开发大功率(10kVA以上)在线式智能UPS不间断电源。 关键词:UPS ,电力电子技术, 微机控制 ,智能ABSTRACTWith the develop
2、ment of the computer technology, the network technology, communication technology, in all the fields of the national economy, national defense and war industry, government ministries, they must depend on UPS (Uninterruptible Power System) By the principle of UPS, this paper considers the design scheme from its structure and format for increasing its reliability. The main power device is made up of rectifier, charger, inverter, static bypass, maintenance bypass. Rectifier and charger (including s
3、torage battery) offer the energy input of UPS when it is online. Inverter offers the CVCF (Constant Voltage and Constant Frequency) AC output when UPS is online. Static bypass offers online bypass power supply when rectifier, charger, or inverter results in faults, and the switching between inverter and static bypass is not interruptible. Maintenance bypass offers bypass power supply when UPS needs repairing or Maintaining. Based on the development trend of higher frequency, modularization, digi
4、talization, and greenness for power technology, this paper is relevant to the recent development of modem power electronics technology and information processing technology, and has studied the above middle capacity (Above 10KVA) online intelligent UPS, using microprocessor as core control.Keywords: UPS , Power Electronics, Intelligent, Computer control 目录摘 要IABSTRACTII第一章 概述11.1 UPS的发展11.1.1 UPS的发展过程11.1.2 UPS的发展前景21.2研究目的和意义21.3本课题的任务和要求31.3.1本课题的任务31.3.2本课题的要求3第二章 系统整体设计方案42.1 UPS不间断电源原理42.1.
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