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

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    10 kV電容器多分組投切方案的應(yīng)用

    來源:電工電氣發(fā)布時(shí)間:2023-10-17 15:17 瀏覽次數(shù):247

    10 kV電容器多分組投切方案的應(yīng)用

    吳秋亮,呂樂,陳皎陽(yáng)
    (江蘇南瑞帕威爾電氣有限公司,江蘇 南京 211100)
     
        摘 要:變電站無(wú)功需求受負(fù)荷波動(dòng)變化影響較大,而主變配置并聯(lián)電容器裝置分組較少,單組容量大,存在不投欠補(bǔ)過大、投入過補(bǔ)過大的問題,不能實(shí)現(xiàn)無(wú)功就地平衡與降低損耗。對(duì)變電站改造前情況進(jìn)行了分析,通過對(duì) 35、110 kV 變電站負(fù)荷和無(wú)功需求波動(dòng)數(shù)據(jù)分析,制定出并聯(lián)電容器裝置以多分組自動(dòng)投切的解決方案, 解決了無(wú)功補(bǔ)償不充分、功率因數(shù)較低的問題。
        關(guān)鍵詞: 電容器;多分組;自動(dòng)控制
        中圖分類號(hào):TM53     文獻(xiàn)標(biāo)識(shí)碼:B     文章編號(hào):1007-3175(2023)09-0034-04
     
    Application of 10 kV Capacitor Multi-Group Switching Scheme
     
    WU Qiu-liang, LYU Le, CHEN Jiao-yang
    (Jiangsu NARI Power Electric Co., Ltd, Nanjing 211100, China)
     
        Abstract: The reactive power demand of a transformer substation is greatly affected by load fluctuation changes, while the shunt capacitor device configured with the main transformer has fewer groups and each group has larger capacity, so whether the input of reactive power compensation or not cannot achieve reactive power on-site balance and reduce loss. After analyzing the substation before transformation, the paper, based on the analysis of load and reactive power demand fluctuation data of the 35、110 kV substation, develops a solution of multigroup auto-switching of the shunt capacitor device, settling matters of inadequate reactive power compensation and lower power factor.
        Key words: capacitor; multi-group; automatic control
     
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