發(fā)布時間：2018-01-19 22:19

  本文關鍵詞： 不間斷電源 UPS 數(shù)字化 DSP 逆變電源　出處：《杭州電子科技大學》2012年碩士論文　論文類型：學位論文

【摘要】：UPS(Uninterruptible Power Supply),即不間斷供電電源,是一種含有儲能裝置(常用蓄電池儲能),以逆變器為主要組成部分的恒壓、恒頻電源裝置,主要用于給計算機系統(tǒng)或其他電力電子設備提供優(yōu)質且不間斷的電力供應。目前,UPS電源已經被廣泛應用到各個行業(yè),而且隨著電子元器件和控制技術的不斷創(chuàng)新和發(fā)展,UPS的技術也越來越新,型號也越來越多。UPS的控制技術逐漸由傳統(tǒng)的基于模擬電路或低檔次單片機控制發(fā)展到基于DSP(數(shù)字信號處理器)的全數(shù)字化控制。未來,輸入功率因數(shù)自動校正技術、智能化故障自診斷檢測技術、智能化電池充放電管理及電池性能預測技術、遠程網管型UPS集中監(jiān)控等技術將廣泛的應用于智能化UPS電源中,這是UPS電源未來的發(fā)展方向。 本文以UPS技術的實際應用為背景,在深入了解UPS電源的基本原理、結構、特點及其相關理論知識等基礎上,以TI公司生產的數(shù)字信號處理芯片TMS320F2812DSP為控制器核心,設計了一種基于DSP的在線式數(shù)字化UPS電源。通過對該系統(tǒng)的設計,更進一步的了解了UPS電源的一些關鍵技術的研究與開發(fā)應用。 本文首先對UPS電源的分類、基本概念、發(fā)展前景、工作原理、相關理論、技術指標進行了簡單的介紹,描述了UPS電源中常用電路的基本組成與工作原理,并分別舉例加以說明。對UPS電源中的關鍵技術脈寬調制技術(PWM)、功率因數(shù)修正和諧波抑制技術進行了深入的研究和分析,并提出了幾種諧波抑制方案。在理論分析的基礎之上給出了系統(tǒng)的總體設計框圖和軟硬件設計方案。本硬件系統(tǒng)的主控制芯片CPU為數(shù)字信號處理器TMS320F2812,文中對DSP芯片的功能和特點作了簡要介紹,硬件系統(tǒng)主要由整流濾波電路、功率因數(shù)校正電路、逆變電路、蓄電池充電電路和保護電路、采樣調整電路等幾部分組成,對每個電路模塊的設計及原理作了詳細的講解。軟件設計主要是DSP控制部分,其中軟件設計包括主程序以及各個中斷子程序,文中給出了各個程序設計的流程圖。最后對UPS電源控制系統(tǒng)性能進行了簡單的測試,結果表明系統(tǒng)能正常工作 本課題所設計的數(shù)字化UPS電源具有很強的實用性,可用于單機計算機和一些低功率電子設備的應急供電,具有體積小、重量輕、安全無污染等特點。對于大功率的電子設備,只需要對電源系統(tǒng)做相應的修改即可滿足使用需求。本課題將故障檢測電路加入系統(tǒng)中,使UPS具有一定的故障檢測功能,并加入了市電旁路設計,這也是本設計的一個創(chuàng)新點。 最后對本課題所完成的工作做了總結,在對未來工作展望的同時,也提出了該系統(tǒng)硬件和軟件上的局限之處和未來所需要進一步完善的功能,以便進行后續(xù)的UPS網絡化和智能化的開發(fā)。
[Abstract]:UPS(Uninterruptible Power supply, or uninterruptible power supply, is an energy storage device (commonly used for storage battery). A constant voltage and constant frequency power supply device with inverter as its main component is mainly used to provide high quality and uninterrupted power supply to computer system or other power electronic equipment. UPS power supply has been widely used in various industries, and with the continuous innovation and development of electronic components and control technology, UPS technology is becoming more and more new. More and more models of UPS control technology from the traditional analog circuit or low-grade single-chip computer control to DSP-based digital control. Input power factor automatic correction technology, intelligent fault self-diagnosis and detection technology, intelligent battery charge and discharge management and battery performance prediction technology. Remote network management UPS centralized monitoring technology will be widely used in intelligent UPS power supply, which is the future development direction of UPS power supply. In this paper, the practical application of UPS technology as the background, on the basis of in-depth understanding of the basic principle, structure, characteristics and related theoretical knowledge of UPS power supply. Based on the digital signal processing chip (TMS320F2812DSP) produced by TI Company, an on-line digital UPS power supply based on DSP is designed. Further understand the UPS power supply of some key technology research and development and application. In this paper, the classification of UPS power supply, basic concepts, development prospects, working principles, related theories, technical indicators were briefly introduced. This paper describes the basic composition and working principle of the common circuits in UPS power supply, and gives examples to illustrate the key technology of UPS power supply, pulse width modulation (PWM). Power factor correction and harmonic suppression techniques are deeply studied and analyzed. On the basis of theoretical analysis, the overall design block diagram and hardware and software design scheme of the system are given. The main control chip CPU of this hardware system is digital signal processor (TMS3). 20F2812. In this paper, the functions and characteristics of DSP chip are briefly introduced. The hardware system is mainly composed of rectifier filter circuit, power factor correction circuit, inverter circuit, battery charging circuit and protection circuit. The design and principle of each circuit module is explained in detail. The software design is mainly DSP control part, and the software design includes the main program and each interrupt subroutine. The flow chart of each program is given in this paper. Finally, the performance of UPS power supply control system is simply tested, and the result shows that the system can work normally. The digital UPS power supply designed in this paper has strong practicability. It can be used in the emergency power supply of single computer and some low-power electronic equipment. It has small volume and light weight. For high-power electronic equipment, we only need to make corresponding modifications to the power supply system to meet the needs of the use. The subject of fault detection circuit into the system. The UPS has certain fault detection function and adds the design of municipal power bypass, which is also an innovation point of this design. In the end, the paper summarizes the work done in this paper, and puts forward the limitations of the system hardware and software and the further improvement of the function in the future while looking forward to the future work. In order to carry on the following UPS network and intelligent development.
【學位授予單位】：杭州電子科技大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TN86;TP368.12

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