本文關(guān)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(xué)》2012年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：UPS(Uninterruptible Power Supply),即不間斷供電電源,是一種含有儲(chǔ)能裝置(常用蓄電池儲(chǔ)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(jì)算機(jī)系統(tǒng)或其他電力電子設(shè)備提供優(yōu)質(zhì)且不間斷的電力供應(yīng)。目前,UPS電源已經(jīng)被廣泛應(yīng)用到各個(gè)行業(yè),而且隨著電子元器件和控制技術(shù)的不斷創(chuàng)新和發(fā)展,UPS的技術(shù)也越來(lái)越新,型號(hào)也越來(lái)越多。UPS的控制技術(shù)逐漸由傳統(tǒng)的基于模擬電路或低檔次單片機(jī)控制發(fā)展到基于DSP(數(shù)字信號(hào)處理器)的全數(shù)字化控制。未來(lái),輸入功率因數(shù)自動(dòng)校正技術(shù)、智能化故障自診斷檢測(cè)技術(shù)、智能化電池充放電管理及電池性能預(yù)測(cè)技術(shù)、遠(yuǎn)程網(wǎng)管型UPS集中監(jiān)控等技術(shù)將廣泛的應(yīng)用于智能化UPS電源中,這是UPS電源未來(lái)的發(fā)展方向。 本文以UPS技術(shù)的實(shí)際應(yīng)用為背景,在深入了解UPS電源的基本原理、結(jié)構(gòu)、特點(diǎn)及其相關(guān)理論知識(shí)等基礎(chǔ)上,以TI公司生產(chǎn)的數(shù)字信號(hào)處理芯片TMS320F2812DSP為控制器核心,設(shè)計(jì)了一種基于DSP的在線式數(shù)字化UPS電源。通過(guò)對(duì)該系統(tǒng)的設(shè)計(jì),更進(jìn)一步的了解了UPS電源的一些關(guān)鍵技術(shù)的研究與開(kāi)發(fā)應(yīng)用。 本文首先對(duì)UPS電源的分類(lèi)、基本概念、發(fā)展前景、工作原理、相關(guān)理論、技術(shù)指標(biāo)進(jìn)行了簡(jiǎn)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(shuō)明。對(duì)UPS電源中的關(guān)鍵技術(shù)脈寬調(diào)制技術(shù)(PWM)、功率因數(shù)修正和諧波抑制技術(shù)進(jìn)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(chǔ)之上給出了系統(tǒng)的總體設(shè)計(jì)框圖和軟硬件設(shè)計(jì)方案。本硬件系統(tǒng)的主控制芯片CPU為數(shù)字信號(hào)處理器TMS320F2812,文中對(duì)DSP芯片的功能和特點(diǎn)作了簡(jiǎn)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(hù)電路、采樣調(diào)整電路等幾部分組成,對(duì)每個(gè)電路模塊的設(shè)計(jì)及原理作了詳細(xì)的講解。軟件設(shè)計(jì)主要是DSP控制部分,其中軟件設(shè)計(jì)包括主程序以及各個(gè)中斷子程序,文中給出了各個(gè)程序設(shè)計(jì)的流程圖。最后對(duì)UPS電源控制系統(tǒng)性能進(jìn)行了簡(jiǎn)單的測(cè)試,結(jié)果表明系統(tǒng)能正常工作 本課題所設(shè)計(jì)的數(shù)字化UPS電源具有很強(qiáng)的實(shí)用性,可用于單機(jī)計(jì)算機(jī)和一些低功率電子設(shè)備的應(yīng)急供電,具有體積小、重量輕、安全無(wú)污染等特點(diǎn)。對(duì)于大功率的電子設(shè)備,只需要對(duì)電源系統(tǒng)做相應(yīng)的修改即可滿(mǎn)足使用需求。本課題將故障檢測(cè)電路加入系統(tǒng)中,使UPS具有一定的故障檢測(cè)功能,并加入了市電旁路設(shè)計(jì),這也是本設(shè)計(jì)的一個(gè)創(chuàng)新點(diǎn)。 最后對(duì)本課題所完成的工作做了總結(jié),在對(duì)未來(lái)工作展望的同時(shí),也提出了該系統(tǒng)硬件和軟件上的局限之處和未來(lái)所需要進(jìn)一步完善的功能,以便進(jìn)行后續(xù)的UPS網(wǎng)絡(luò)化和智能化的開(kāi)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(xué)位授予單位】：杭州電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類(lèi)號(hào)】：TN86;TP368.12

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本文編號(hào)：1445715