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

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    1 000 kV特高壓串補(bǔ)控保系統(tǒng)CT取能異常分析

    來源:電工電氣發(fā)布時(shí)間:2019-09-19 09:19 瀏覽次數(shù):647
    1 000 kV特高壓串補(bǔ)控保系統(tǒng)CT取能異常分析
     
    劉天佑,黃健金,張文杰,王恩鋼,畢凱,賀盼盼
    (國網(wǎng)河南省電力公司檢修公司,河南 鄭州 450052)
     
        摘 要:基于特高壓南陽站長南Ⅰ線串補(bǔ)控保B系統(tǒng)CT取能異常事件,分析了特高壓串補(bǔ)控制保護(hù)系統(tǒng)組成及平臺測量箱的取能方式,對事件概況及現(xiàn)場情況進(jìn)行了描述,通過理論分析和現(xiàn)場檢查,指出此次事故的原因是串補(bǔ)平臺上CT取能系統(tǒng)故障導(dǎo)致非功能性切換為地面激光送能。通過此次分析為其他廠站處理類似問題積累了理論基礎(chǔ)和實(shí)際經(jīng)驗(yàn)。
        關(guān)鍵詞:串補(bǔ)平臺;CT取能;地面激光送能
        中圖分類號:TM721.2       文獻(xiàn)標(biāo)識碼:B       文章編號:1007-3175(2019)09-0039-04
     
    Abnormal Analysis of CT Energy Absorption of 1 000 kV UHV Series Compensation Control and Protection System
     
    LIU Tian-you, HUANG Jian-jin, ZHANG Wen-jie, WANG En-gang, BI Kai, HE Pan-pan
    (Maintenance Company of Henan Electric Power Corporation, Zhengzhou 450052, China)
     
        Abstract: Based on the UHV Nanyang Station Changnan line series compensation control B system CT energy anomaly event, this paper analyzed the composition of UHV series compensation control and protection system and the energy-receiving mode of platform measuring trunk, and described the event survey and local situation. Through theoretical analysis and on-site inspection, it is pointed out that the cause of the accident is that the CT energy-carrying system failure on the series-compensated platform causes non-functional switching to ground laser energy transmission, which accumulates the theoretical and practical experience for the similar problems processed in other working station.
        Key words: series compensation platform; CT energy-receiving; ground laser sending energy
     
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