【摘要】：目前，天津電網(wǎng)主干網(wǎng)架線路導(dǎo)線選型時(shí)基本全部采用鋼芯鋁絞線。隨著天津經(jīng)濟(jì)社會(huì)的發(fā)展，電力需求不斷增加，電網(wǎng)建設(shè)規(guī)模也在擴(kuò)大，而空間資源和土地資源則日益稀缺。為提高線路傳輸容量，節(jié)約社會(huì)資源，本文提出輸電線路應(yīng)用一種新型導(dǎo)線－碳纖維復(fù)合芯導(dǎo)線的設(shè)想。通過對碳纖維復(fù)合芯導(dǎo)線的材料、結(jié)構(gòu)、性能進(jìn)行分析，介紹碳纖維復(fù)合芯導(dǎo)線的特點(diǎn)：重量輕、強(qiáng)度高、弛度小、載流量大、耐腐蝕等。然后論文從天津電網(wǎng)現(xiàn)狀入手，通過對未來電網(wǎng)的發(fā)展和電力需求情況進(jìn)行分析，研究500kV和220kV兩個(gè)電壓等級(jí)，考慮到天津主干網(wǎng)架可能出現(xiàn)的結(jié)構(gòu)，分析現(xiàn)在的導(dǎo)線選型原則是否適用。對未來需要提高輸送容量的線路，，本著建設(shè)資源節(jié)約型、環(huán)境友好型電網(wǎng)的要求，提出碳纖維復(fù)合芯導(dǎo)線的應(yīng)用可能。通過工程應(yīng)用實(shí)例，介紹碳纖維復(fù)合芯導(dǎo)線的具體應(yīng)用情況，通過對碳纖維復(fù)合芯導(dǎo)線與傳統(tǒng)導(dǎo)線和耐熱鋁合金導(dǎo)線進(jìn)行技術(shù)經(jīng)濟(jì)對比，進(jìn)一步驗(yàn)證了碳纖維復(fù)合芯導(dǎo)線的優(yōu)良特性。最后對碳纖維復(fù)合芯導(dǎo)線出現(xiàn)的故障案例進(jìn)行分析，提出碳纖維復(fù)合芯導(dǎo)線應(yīng)用中需要注意的問題。
[Abstract]:At present, steel core aluminum strands are used in Tianjin power grid backbone wire selection. With the development of economy and society in Tianjin, the demand for electricity is increasing, the scale of power grid construction is also expanding, and the space resources and land resources are increasingly scarce. In order to improve the transmission capacity of transmission lines and save social resources, a new type of traverse with carbon fiber composite core conductors for transmission lines is proposed in this paper. By analyzing the material, structure and performance of carbon fiber composite conductor, the characteristics of carbon fiber composite core conductor are introduced, such as light weight, high strength, low relaxation degree, large load capacity, corrosion resistance and so on. Then, starting with the current situation of Tianjin power grid, through the analysis of the future power grid development and power demand, the paper studies the 500kV and 220kV voltage levels, considering the possible structure of Tianjin backbone network frame. Analysis of the current principles of conductor selection is applicable. According to the requirements of constructing resource-saving and environment-friendly power grids, the application of carbon fiber composite core conductors is put forward for the lines which need to increase the transmission capacity in the future. This paper introduces the concrete application of carbon fiber composite core wire through engineering application, and compares the carbon fiber composite core wire with traditional wire and heat-resistant aluminum alloy conductor technically and economically. The excellent properties of carbon fiber composite conductor are further verified. Finally, the failure cases of carbon fiber composite conductor are analyzed, and the problems needing attention in the application of carbon fiber composite core conductor are put forward.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM75

【參考文獻(xiàn)】

相關(guān)期刊論文 前1條

1 李瑞;余虹云;余長水;曹鈞;;碳纖維復(fù)合芯鋁導(dǎo)線應(yīng)用時(shí)需注意的問題[J];電力設(shè)備;2008年05期

本文編號(hào)：2310276