基于can總線的變電站測(cè)控系統(tǒng)的設(shè)計(jì)與研究2-全文預(yù)覽
【正文】 動(dòng)化的初級(jí)形式，尚不能稱為綜合自動(dòng)化系統(tǒng)。該類系統(tǒng)實(shí)際上是在常規(guī)的繼電保護(hù)及二次接線的基礎(chǔ)上增設(shè) RTU裝置以實(shí)現(xiàn)“四遙”。由南京電力自動(dòng)化研究院研制的第 l套適用于綜合自動(dòng)化系統(tǒng)的成套微機(jī)保護(hù)裝置 ISA于1993年通過部級(jí)鑒定以后，各地電網(wǎng)逐步開始大量采用變電站綜合自動(dòng)化系統(tǒng)。較遠(yuǎn)動(dòng)裝置采用微機(jī)技術(shù)滯后且更為復(fù)雜的繼電保護(hù)全面采用微機(jī)技術(shù)成為現(xiàn)實(shí)。這些稱之為集中式的弱電控制、信號(hào)、測(cè)量系統(tǒng)的研制成功和投運(yùn)為研制微機(jī)化的綜合自動(dòng)化裝置積累了有益的經(jīng)驗(yàn)。二則目前高校、科研院所對(duì)現(xiàn)場(chǎng)總線及FCS技術(shù)從研究開發(fā)到應(yīng)用均處拋步階段，F(xiàn)cs在電力生產(chǎn)部門應(yīng)用不多，應(yīng)用與開發(fā)的技術(shù)很不成熟，在認(rèn)識(shí)和經(jīng)驗(yàn)方面有很大的欠缺，需要在研究和實(shí)踐中不斷探索、不斷總結(jié)經(jīng)驗(yàn)，將FCS的技術(shù)和應(yīng)用逐步完善起來?，F(xiàn)有的變電站綜合自動(dòng)化設(shè)備中的設(shè)備層中的測(cè)控單元尚采用單片機(jī)技術(shù)，盡管晶振頻率逐步提高、運(yùn)算速度大大加快，但單片機(jī)的結(jié)構(gòu)決定了無法進(jìn)行快速數(shù)字信號(hào)處理、計(jì)算多個(gè)現(xiàn)場(chǎng)的數(shù)據(jù)，現(xiàn)有設(shè)備在速度上、精度上尚有不盡人意之處。關(guān)鍵詞： CAN總線 微控制器 網(wǎng)絡(luò)適配器CAN bus based design of substation monitoring system Absrtact Automation field bus is today one of the hot technology, known as the automation of puter local area network. It was a distributed control system between the nodes achieving realtime, reliable data munications to provide a strong technical support. Substation information and data sharing and the use of reliable, practical and efficient munication networks and protocols, to optimize the function of substation automation system to improve the level of substation automation system. With the continuous expansion of power network and puter monitoring and control technology, the rapid development of fieldbusbased control system will widely used in power system substations. CAN field bus the thesis based on research it in the substation automation system theory and practical methods of measurement and control network for the shortings of traditional design of a CAN bus is posed by the Fieldbus control network, and discussed in detail the CAN bus technology and its implications for substation automation system. Through a single chip microcontroller for the hardware and software design, making the whole substation within the system to achieve reliable munication between devices possible for the eventual unattended substation provides the conditions for the model..Keywords: CAN bus Microcontroller Netword card 目 錄第一章、緒論 9 9 10 10第二章CAN總線簡(jiǎn)介 12 CAN的技術(shù)特點(diǎn) 12 連接和傳遞方式 12 CAN報(bào)文傳輸 12 CAN控制器 12 CAN總線系統(tǒng)的一般組成 12第三章、 基于CAN總線變電站監(jiān)控系統(tǒng)的總體設(shè)計(jì) 12 CAN總線節(jié)點(diǎn)（下位機(jī)）設(shè)計(jì) 12 CAN總線節(jié)點(diǎn)（上位機(jī)）設(shè)計(jì) 12第三章、CAN總線節(jié)點(diǎn)（下位機(jī)）設(shè)計(jì) 13 14 12 CAN通信模塊設(shè)計(jì) 14 14 14 C
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