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

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地區(qū)配電網合環(huán)運行研究及典型故障分析

來源:電工電氣發(fā)布時間:2017-01-24 14:24 瀏覽次數:8
地區(qū)配電網合環(huán)運行研究及典型故障分析
 
馬洲俊
(國網江蘇省電力公司南京供電公司,江蘇 南京 210019)
 
    摘 要:目前由于對配電網結構的研究只停留在不同電壓等級配網接線模式的歸納以及特點分析方面,以某供電重點單位試點配電網合環(huán)運行為例,研究了南京花瓣型接線配網改造工程中合環(huán)運行建設改造及實際操作中出現的問題,闡述目前保護配置在特殊情況下面臨的風險,明確了故障處理關鍵點,并結合配電自動化改造,完善了典型故障預案,給出了配電網合環(huán)運行前瞻性建議。
    關鍵詞:高可靠性配電網;合環(huán)運行;花瓣型;保護配置;配電自動化
    中圖分類號:TM727     文獻標識碼:A     文章編號:1007-3175(2017)01-0038-05
 
Research and Typical Fault Analysis on Loop-Closed Operation
Mode for Regional Distribution Network
 
MA Zhou-jun
(Nanjing Power Supply Company, State Grid Jiangsu Electric Power Company, Nanjing 210019, China)
 
    Abstract: The research on the power distribution network structure remains in the respects of conclusion and characteristic analysis of different voltage class distribution network connection modes at present, so taking the distribution network loop-closed operation of certain power supply key experimental unit for example, this paper researched on the loop-closed operation construction transformation and problems existing in practical operation in Nanjing quincunx-type connection distribution network reconstruction project. The risk of protection allocation in special cases was described and the key point of fault processing was explicated. Combined with the transformation of distribution automation, this paper completed the fault pre-arranged planning, giving the foresight suggestion of power distribution network loop-closed operation.
    Key words: high reliability distribution network; loop-closed operation; quincunx-type power grid; protection configuration; distribution automation
 
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