本文關(guān)鍵詞： 輸電線路 故障定位 ARM 光纖網(wǎng)絡(luò)　出處：《安徽理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：現(xiàn)代社會中,無論是工業(yè)實用還是民用,都要求更優(yōu)質(zhì)的、可靠性更高的、穩(wěn)定性能更好的電能。然而,輸電線路不像其它電力系統(tǒng)組件,它暴露在環(huán)境中,所發(fā)生故障的幾率要大于其它電力系統(tǒng)中其它組成部分。而在所有可能發(fā)生的輸電線路故障中,短路故障占到很大比重,當線路中發(fā)生這樣的故障時,瞬時線路中的電流將成倍增長,引起線路發(fā)熱,造成不必要的損失。為了降低故障所帶來的人員傷害及經(jīng)濟損失,能夠快速定位發(fā)生故障的精確地點,幫助檢修人員快速的到達故障發(fā)生地點進行搶修,因此,迅速的對短路故障發(fā)生位置進行定位,對整個電力系統(tǒng)安全運行是非常有必要的。本文采用雙端線路短路故障定位法,利用輸電線路兩端的以高速處理芯片ARM為核心的電路采集器采樣處理線路參數(shù)數(shù)據(jù),數(shù)據(jù)經(jīng)過處理后經(jīng)光纖網(wǎng)絡(luò)發(fā)送至微處理器,得出故障點距離,實現(xiàn)線路故障的定位。變電站的同步授時裝置提供精確授時功能,保證了采樣精度。高速處理芯片ARM能夠提高數(shù)據(jù)處理速度,滿足電力系統(tǒng)中快速處理的要求。光纖以太網(wǎng)絡(luò)實現(xiàn)數(shù)據(jù)高速傳播,增加了系統(tǒng)的高效性、精確性和穩(wěn)定性。在本研究設(shè)計中,對輸電線路短路故障采取雙端定位與現(xiàn)代高速處理器結(jié)合的方法,經(jīng)過光纖通信快速信息傳輸而達到本設(shè)計的要求,在最后對算法進行模擬。
[Abstract]:In modern society, both industrial and civil use require higher quality, higher reliability and better stability of electricity. However, transmission lines are not like other power system components, they are exposed to the environment. The probability of failure is greater than that of other parts of the power system. And of all possible transmission line failures, short-circuit faults account for a large proportion, and when such faults occur in the line, The current in the instantaneous line will multiply, causing the line to heat up and causing unnecessary losses. In order to reduce the human and economic losses caused by the fault, it is possible to quickly locate the exact location where the fault occurred. Therefore, it is necessary to locate the location of the short circuit fault quickly, which is very necessary for the safe operation of the whole power system. The circuit collector with high-speed processing chip ARM as the core at both ends of transmission line is used to sample and process line parameter data. After processing, the data is sent to the microprocessor via optical fiber network, and the fault point distance is obtained. The synchronous timing device of substation provides accurate time service function, which ensures the sampling accuracy. High speed processing chip ARM can improve the speed of data processing. To meet the requirements of fast processing in power system. Optical Ethernet network to achieve high-speed data transmission, increasing the system's efficiency, accuracy and stability. In this study, The short circuit fault of transmission line is designed by combining dual terminal location with modern high speed processor. After fast information transmission in optical fiber communication, the algorithm is simulated at the end of the paper.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM755

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