本文選題：IEC61850 + MODBUS��； 參考：《鄭州大學(xué)》2017年碩士論文

【摘要】：電能質(zhì)量監(jiān)測系統(tǒng)是對電力系統(tǒng)被測點(diǎn)進(jìn)行統(tǒng)一監(jiān)控、綜合分析的系統(tǒng),其理論與實現(xiàn)是當(dāng)今國際上的一個研究熱點(diǎn)。電能質(zhì)量監(jiān)測系統(tǒng)建立在通信網(wǎng)絡(luò)之上,通信網(wǎng)絡(luò)及規(guī)約的選用對電能質(zhì)量監(jiān)測系統(tǒng)的兼容性、穩(wěn)定性至關(guān)重要。IEC61850是電力系統(tǒng)自動化領(lǐng)域唯一的全球通用標(biāo)準(zhǔn),已經(jīng)得到大量使用�；贗EC61850實現(xiàn)電能質(zhì)量監(jiān)測系統(tǒng)是一種趨勢。針對電力系統(tǒng)中仍然運(yùn)行著大量非IEC61850規(guī)約電能質(zhì)量監(jiān)測裝置的狀況,本文研究了非IEC61850規(guī)約向IEC61850規(guī)約映射所涉及的問題。論文首先研究了IEC61850的體系結(jié)構(gòu)、信息模型和數(shù)據(jù)交換模式;分析了MODBUS協(xié)議的數(shù)據(jù)幀格式、通信過程等問題;建立了二者信息和功能模型映射的一般規(guī)則。接下來,對電能質(zhì)量監(jiān)測系統(tǒng)進(jìn)行需求分析,結(jié)合MODBUS和IEC61850協(xié)議,分別對電能質(zhì)量監(jiān)測系統(tǒng)進(jìn)行建模,并建立了模型映射方案。第三,運(yùn)用C#編程語言,編寫MODBUS通信類型文件,IEC61850信息類型文件和數(shù)據(jù)庫操作類型文件,并基于所編寫的類型文件實現(xiàn)了基于TCP/IP的MODBUS協(xié)議與IEC61850規(guī)約的映射。一方面,把按MODBUS協(xié)議采集的數(shù)據(jù)依據(jù)IEC61850信息模型進(jìn)行存儲;另一方面,把客戶機(jī)的IEC61850命令轉(zhuǎn)換成MODBUS協(xié)議命令形式,完成對監(jiān)測點(diǎn)的監(jiān)視與控制。最后,結(jié)合電能質(zhì)量監(jiān)測系統(tǒng)的需求,建立MDI多界面系統(tǒng),實現(xiàn)對電能質(zhì)量監(jiān)測點(diǎn)的指標(biāo)數(shù)據(jù)顯示和用戶操作等功能。論文所研究的電能質(zhì)量監(jiān)測系統(tǒng)能夠依據(jù)IEC61850所規(guī)定的模式讀取和寫入數(shù)據(jù)。提出了一種運(yùn)用中間過程(本文的PC機(jī))實現(xiàn)MODBUS協(xié)議與IEC61850規(guī)約的映射方案,并能夠正確地完成映射。給出了IEC61850的標(biāo)準(zhǔn)接口形式,能夠隨著研究的深入,對軟件進(jìn)一步完善,使其能夠?qū)崿F(xiàn)IEC61850邏輯節(jié)點(diǎn)的所有屬性,并根據(jù)需要引入編碼、解碼器,完成與IEC61850系統(tǒng)的融合。
[Abstract]:Power quality monitoring system is a unified monitoring and comprehensive analysis system for power system measured points. Its theory and implementation is a research hotspot in the world. Power quality monitoring system is based on communication network. The selection of communication network and protocol is the only universal standard in power system automation field, which is very important to the compatibility and stability of power quality monitoring system. It has been widely used. It is a trend to realize power quality monitoring system based on IEC 61850. In view of the fact that a large number of non-IEC61850 power quality monitoring devices are still operating in power systems, the mapping from non-IEC61850 to IEC61850 is studied in this paper. Firstly, the architecture, information model and data exchange mode of IEC61850 are studied, the data frame format and communication process of Modbus protocol are analyzed, and the general rules of mapping between them are established. Then, the power quality monitoring system is modeled with Modbus and IEC61850 protocol, and the model mapping scheme is established. Thirdly, using C # programming language, the Modbus communication type file / IEC61850 information type file and database operation type file are written, and the mapping between Modbus protocol based on TCP / IP and IEC61850 protocol is realized based on the type file. On the one hand, the data collected according to Modbus protocol is stored according to IEC61850 information model; on the other hand, the command of IEC61850 of client is converted into the form of Modbus protocol command to monitor and control the monitoring points. Finally, according to the requirement of power quality monitoring system, the MDI multi-interface system is established to realize the function of indicator data display and user operation of power quality monitoring points. The power quality monitoring system studied in this paper can read and write data according to the mode specified by IEC 61850. This paper presents a mapping scheme of Modbus protocol and IEC61850 protocol using intermediate process (PC in this paper), and can accomplish the mapping correctly. The standard interface form of IEC61850 is given. With the development of research, the software can be further improved to realize all the attributes of IEC61850 logical node, and the code and decoder are introduced according to the need to complete the integration with IEC61850 system.
【學(xué)位授予單位】：鄭州大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM73;TM930

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