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    Suzhou Electric Appliance Research Institute
    期刊號: CN32-1800/TM| ISSN1007-3175

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    220 kV智能變電站母線擴建繼電保護改造方案研究

    來源:電工電氣發(fā)布時間:2017-12-19 14:19 瀏覽次數(shù):3
    220 kV智能變電站母線擴建繼電保護改造方案研究
     
    邵慶祝1,趙創(chuàng)業(yè)2,謝民1,王海港1
     
    (1 國網(wǎng)安徽省電力公司,安徽 合肥 230022;2 國網(wǎng)淮北供電公司,安徽 淮北 235009)
        摘 要:智能變電站母線改擴建工程目前多采用變電站全停的改造模式,對電網(wǎng)運行影響較大。以某220 kV智能變電站母線和主變擴建工程為例,分析了該智能變電站母線和主變間隔擴建對全站二次設(shè)備的影響和調(diào)試需求,在一次設(shè)備停電影響最小的前提下,提出了擴建工程繼電保護改造技術(shù)方案、施工方案及各環(huán)節(jié)的安全措施,避免了因改擴建工程對地區(qū)電網(wǎng)供電造成嚴重影響。
        關(guān)鍵詞:智能變電站;改擴建工程;繼電保護;安全措施
        中圖分類號:TM63;TM77     文獻標識碼:B     文章編號:1007-3175(2017)12-0037-05
     
    Research on Renovation Scheme of Relay Protection in 220 kV Smart Substation Bus Extension Project
     
    SHAO Qing-zhu1, ZHAO Chuang-ye2, XIE Min1, WANG Hai-gang1
    (1 State Grid Anhui Electric Power Company, Hefei 230022, China; 2 State Grid Huaibei Electric Power Company, Huaibei 235009, China)
     
        Abstract: At present bus reorganization and expansion project of smart substation involves more intervals, so that all stop mode of substation is mostly used to avoid the risk of operation in the reorganization process, which has a great effect on grid operation. Taking certain 220 kV smart substation bus and the main transformer extension project for example, this paper analyzed the impacts of smart substation bus and main transformer interval extension on the whole station secondary equipment and the debugging requirement. Under the premise of minimizing the interruption of the running primary equipment, this paper proposed the expansion project relay protection reconstruction technology scheme, the construction scheme and the safety precautions of each link to avoid the strong impacts caused by the reconstruction and extension project on the regional grid power supply.
        Key words: smart substation; reorganization and extension project; relay protection; safety precautions
     
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