文章來源:國家電網公司 發布時(shi)間:2008-11-15
日前,川內首家數字化(hua)變(bian)電站——110千伏(fu)南塔變(bian)電站數字化(hua)改(gai)造項(xiang)目(mu)啟動,四(si)川電力設(she)計咨詢公(gong)司承擔了該項(xiang)工程的設(she)計任(ren)務(wu),該工程計劃在2008年6月份完工。
相對于常(chang)規(gui)(gui)(gui)(gui)變電(dian)(dian)(dian)站(zhan),數(shu)字(zi)(zi)化變電(dian)(dian)(dian)站(zhan)的(de)(de)特點(dian)是電(dian)(dian)(dian)子(zi)式互感(gan)器取代常(chang)規(gui)(gui)(gui)(gui)的(de)(de)互感(gan)器,通(tong)過光纖、通(tong)信線組成(cheng)數(shu)字(zi)(zi)化網(wang)絡,以統(tong)一(yi)的(de)(de)規(gui)(gui)(gui)(gui)約(yue)實現采用(yong)數(shu)字(zi)(zi)化控制(zhi)、保護等功能。數(shu)字(zi)(zi)化變電(dian)(dian)(dian)站(zhan)與(yu)常(chang)規(gui)(gui)(gui)(gui)變電(dian)(dian)(dian)站(zhan)比(bi)較具(ju)備三點(dian)突(tu)出(chu)優(you)勢(shi):一(yi)是電(dian)(dian)(dian)子(zi)式互感(gan)器的(de)(de)使用(yong)徹底解決了系統(tong)暫(zan)態響(xiang)應(ying)及電(dian)(dian)(dian)磁干擾(rao)問題,保護更(geng)加可靠、測量更(geng)加精確;二是通(tong)過數(shu)字(zi)(zi)化網(wang)絡取代常(chang)規(gui)(gui)(gui)(gui)控制(zhi)電(dian)(dian)(dian)纜,更(geng)加簡(jian)潔、清晰、可靠;三是數(shu)字(zi)(zi)化變電(dian)(dian)(dian)站(zhan)較常(chang)規(gui)(gui)(gui)(gui)變電(dian)(dian)(dian)站(zhan)在(zai)設計、施工、調試、運行各(ge)環節更(geng)加方便快捷。目前,國內部分省市已經開始進行試點(dian)建設,積(ji)累經驗,為大規(gui)(gui)(gui)(gui)模推廣奠(dian)定基礎。
據專家預見,數字化變電站是大勢所趨,是未來變電站模式的發展方向。