【摘要】：分布式光纖傳感(DTS)技術(shù)今年在傳感領(lǐng)域中獨樹一幟,具有監(jiān)測廣、適應(yīng)性強(qiáng)等優(yōu)點,應(yīng)用趨廣,特別是在電力系統(tǒng)中的應(yīng)用,已憑借其優(yōu)越性快速實現(xiàn)了商用化,市場在逐步擴(kuò)大。本文主要研究電力系統(tǒng)中DTS系統(tǒng)的關(guān)鍵算法并設(shè)計系統(tǒng)軟件。 本文首先對拉曼光纖測溫原理進(jìn)行了研究,并給出了提升信噪比的編碼方法,結(jié)合了混合濾除噪聲的算法,提升了溫度測量系統(tǒng)的穩(wěn)定性和準(zhǔn)確性。 其次,本文對電力電纜的模型進(jìn)行了必要的闡述,給出了基于熱路法的纜芯溫度和載流量的計算方法,結(jié)合試驗選取的電纜型號和參數(shù)給出計算結(jié)果。 第三,本文對DTS系統(tǒng)軟件的架構(gòu)進(jìn)行了闡述,結(jié)合具體的需求分析給出了針對不同需求設(shè)計的模塊的開發(fā)方法,對本地端的驅(qū)動、系統(tǒng)的數(shù)據(jù)解析、網(wǎng)絡(luò)技術(shù)、圖形顯示和地圖監(jiān)測、數(shù)據(jù)庫模塊進(jìn)行了詳細(xì)的介紹。 最后,本文嘗試對實際工程中DTS系統(tǒng)光纖的鋪設(shè)方法進(jìn)行了改造,理論上證明了這種方法對提升精度的重要性。
[Abstract]:Distributed fiber optic sensing (DTS) technology is unique in the field of sensing this year. It has many advantages such as wide monitoring, strong adaptability and so on. Especially in power system, it has been commercialized rapidly with its advantages. The market is gradually expanding. This paper mainly studies the key algorithm of DTS system in power system and designs the system software. In this paper, the principle of Raman fiber temperature measurement is studied, and the coding method of raising SNR is given. The stability and accuracy of temperature measurement system are improved by combining the algorithm of mixed filtering noise. Secondly, the model of power cable is described in this paper, and the calculation method of cable core temperature and load current based on hot path method is given. The calculation results are given in combination with the cable model and parameters selected in the test. Third, this paper describes the architecture of DTS system software, combining with specific requirements analysis, gives the development method of modules designed for different requirements, the driver of local side, the data analysis of system, the network technology. Graphic display and map monitoring, database module is introduced in detail. Finally, this paper attempts to reconstruct the fiber laying method of DTS system in practical engineering, which theoretically proves the importance of this method to improve the accuracy.
【學(xué)位授予單位】：北京郵電大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TN253

【參考文獻(xiàn)】

相關(guān)期刊論文 前9條

1 曹惠玲,王增強(qiáng),李雯靖,李志堅,高捷;坐標(biāo)組合法對直埋電纜與土壤界面溫度場的數(shù)值計算[J];電工技術(shù)學(xué)報;2003年03期

2 任先文,解東光;基于數(shù)據(jù)采集卡PCI2003的電力參數(shù)測量[J];電力自動化設(shè)備;2004年06期

3 朱亦鋼;;應(yīng)用Zedgraph高效開發(fā)數(shù)據(jù)圖表[J];電腦編程技巧與維護(hù);2009年12期

4 鄂書林;;用于石油測井和管道運(yùn)輸?shù)姆植际焦饫w傳感系統(tǒng)[J];光機(jī)電信息;2011年12期

5 陳樹禮;蘇木標(biāo);孫寶臣;馮小利;;光纖應(yīng)變傳感器在蕪湖長江大橋長期健康監(jiān)測中的應(yīng)用[J];光通信技術(shù);2005年11期

6 王延年;蔣莊德;;Application of Golay codes to distributed optical fiber sensor for long-distance oil pipeline leakage and external damage detection[J];Chinese Optics Letters;2006年03期

7 張仁輝,杜民;小波分析在信號去噪中的應(yīng)用[J];計算機(jī)仿真;2005年08期

8 周鳳石;;基于Windows Socket的網(wǎng)絡(luò)通信中的心跳機(jī)制原理及其實現(xiàn)[J];沙洲職業(yè)工學(xué)院學(xué)報;2009年03期

9 李雯靖;李志堅;高捷;曹惠玲;;直埋地下電纜溫度場和載流量的數(shù)值計算[J];天津電力技術(shù);2003年Z1期

，

本文編號：2327156