http://www.kadhoai.com.cn 2026-04-10 09:41:44 來源:張利平
變電站綜合自動化是一項提高變電站安全、可靠穩定運行水平,降低運行維護成本,提高經濟效益,向用戶提供高質量電能服務的一項措施。隨著自動化技術、通信技術、計算機和網絡技術等高科技的飛速發展,變電站綜合自動化技術得到了迅速發展。
目前,廣泛采用的變電站綜合自動化係統是通過後台監控機對變電站全部一次設備及二次設備進行監視、測量、記錄、並(bing)處(chu)理(li)各(ge)種(zhong)信(xin)息(xi),對(dui)變(bian)電(dian)站(zhan)的(de)主(zhu)要(yao)設(she)備(bei)實(shi)現(xian)遠(yuan)方(fang)控(kong)製(zhi)操(cao)作(zuo)功(gong)能(neng)。然(ran)而(er),在(zai)實(shi)際(ji)使(shi)用(yong)過(guo)程(cheng)中(zhong)也(ye)隨(sui)之(zhi)出(chu)現(xian)了(le)一(yi)些(xie)問(wen)題(ti),筆(bi)者(zhe)通(tong)過(guo)對(dui)各(ge)個(ge)綜(zong)合(he)自(zi)動(dong)化(hua)係(xi)統(tong)進(jin)行(xing)歸(gui)納(na)總(zong)結(jie),探(tan)討(tao)分(fen)析(xi),就(jiu)目(mu)前(qian)變(bian)電(dian)站(zhan)綜(zong)合(he)自(zi)動(dong)化(hua)係(xi)統(tong)在(zai)實(shi)際(ji)工(gong)作(zuo)中(zhong)出(chu)現(xian)的(de)共(gong)性(xing)問(wen)題(ti)進(jin)行(xing)綜(zong)合(he)分(fen)析(xi)。
1、存在問題
1.1gaojingxinxibuzhiguan。youyuzaishejishangdeyuanyin,weilefangbianjianxiuweihurenyuanzhaxun,erhulvekaolvjiankongrenyuanconggaojingxinxizhongbunengzhiguanmingledikanchubiaodaguzhanghuoshigudedongzuoyuanyin,wangwangxuyaojiankongrenyuancongyilianchuandaliangxinxizhongzhazhao,ergaojingxinxijixufachu,qichuangkoubuduangundong,jiankongrenyuanyoudecongtouzhaqi,bunengxunsupanduan,yanwushiguchulishijianhezhazhaoshiguyuanyin,congerduishiguchulihehuifugongdiandailaizhijiebulideyinsu;
1.2kangganraonenglicha。houtaijiankongjijingchanghuishangchuanyixiewufadedapiliangdeganraoxinhao,zheyanzhongdeganraolejiankongrenyuanzhunquepanduanhejiankong,youshinanmianhuiyiloudiaodaliangxinxizhongdeyibufen,erzhengshizhebeiyiloudebufenxinxi,qiaqiakenengshiguanjiandexinxi,duibiandianzhananquanyunxingzaochengyinhuan,erzhexieganraokenenghuiyanbianweizaochengshiguhuoshigukuodadezhongyaoyinsu;
1.3信(xin)息(xi)傳(chuan)遞(di)不(bu)暢(chang)。時(shi)有(you)通(tong)信(xin)通(tong)道(dao)中(zhong)斷(duan)或(huo)遙(yao)控(kong)信(xin)息(xi)不(bu)能(neng)及(ji)時(shi)反(fan)饋(kui),後(hou)台(tai)監(jian)控(kong)機(ji)界(jie)麵(mian)接(jie)線(xian)圖(tu)設(she)備(bei)狀(zhuang)態(tai)與(yu)現(xian)場(chang)實(shi)際(ji)不(bu)符(fu),不(bu)能(neng)及(ji)時(shi)隨(sui)一(yi)次(ci)設(she)備(bei)作(zuo)狀(zhuang)態(tai)變(bian)化(hua);正常操作項目不能從微機五防閉鎖係統傳送到後台機,而後台機接受不到任務,從而阻礙運行人員持續正常操作;
1.4zonghezidonghuafangwucaozuoxitongzhuyaoyouwufangguanlijijihoutaijiankongjizucheng,tamengeziyoudulidefangwubisuoxitong,zheyangjiushixianleshuangzhongfangwubisuoguanli,danzhixingguochengzhongzhiyoutongguowufangguanlijimonicaozuochuanshudaohoutaijiankongjicaikezaihoutaijiankongjijinxingyuanfangcaozuo,。danzheyecunzaiyixiebibing,ruguowufangguanlijiguzhang,jiuzhiyouzaihoutaijishangtongguokoulingjinxingquanzhanzongjiesuohoujinxingcaozuo,zheyangjiuzengjialebuanquanyinsu;
1.5有的監控係統隻設置語音報警係統,所有事件報告、自(zi)檢(jian)報(bao)告(gao)等(deng)信(xin)息(xi)都(dou)歸(gui)入(ru)其(qi)中(zhong),而(er)無(wu)事(shi)故(gu)音(yin)響(xiang)信(xin)號(hao),當(dang)後(hou)台(tai)監(jian)控(kong)機(ji)或(huo)語(yu)音(yin)係(xi)統(tong)不(bu)能(neng)正(zheng)常(chang)工(gong)作(zuo)時(shi),所(suo)有(you)信(xin)號(hao)則(ze)不(bu)能(neng)及(ji)時(shi)發(fa)出(chu),不(bu)能(neng)直(zhi)接(jie)提(ti)示(shi)監(jian)控(kong)人(ren)員(yuan),這(zhe)嚴(yan)重(zhong)影(ying)響(xiang)變(bian)電(dian)站(zhan)的(de)安(an)全(quan)運(yun)行(xing);
1.6自動生成報表功能缺乏。月度和年度負荷累計不能統計,不能從直觀看出負荷變化。
2、提出幾點建議和應對措施
2.1逐步完善係統功能
①對dui所suo有you模mo擬ni量liang和he狀zhuang態tai量liang變bian位wei進jin行xing分fen類lei,並bing用yong幾ji種zhong顏yan色se加jia以yi區qu分fen,當dang變bian電dian站zhan有you非fei正zheng常chang狀zhuang態tai發fa生sheng和he設she備bei異yi常chang時shi,監jian控kong係xi統tong對dui各ge個ge量liang分fen類lei提ti供gong給gei監jian控kong人ren員yuan使shi運yun行xing監jian控kong人ren員yuan,便bian於yu很hen直zhi觀guan地di看kan出chu各ge類lei告gao警jing信xin息xi;
②設she計ji合he理li的de線xian路lu布bu局ju和he製zhi造zao工gong藝yi,切qie斷duan各ge種zhong電dian磁ci耦ou合he的de途tu徑jing,另ling外wai從cong軟ruan硬ying件jian上shang采cai取qu屏ping蔽bi措cuo施shi,優you化hua結jie構gou設she置zhi,避bi免mian造zao成cheng誤wu發fa信xin號hao或huo微wei機ji工gong作zuo出chu錯cuo;
③完善係統定時自檢、自診斷、自恢複處理功能,暢通環節上通信能力,必要時設置並啟動備用通道,刷新遙信變位;
④後台機防誤閉鎖功能加入,與五防管理機形成互切,互為備用;
⑤將jiang保bao護hu監jian控kong係xi統tong的de事shi故gu和he預yu告gao音yin響xiang信xin號hao獨du立li出chu來lai,與yu後hou台tai監jian控kong語yu音yin報bao警jing係xi統tong相xiang互hu一yi致zhi又you不bu受shou後hou台tai監jian控kong係xi統tong控kong製zhi,防fang止zhi發fa生sheng後hou台tai監jian控kong機ji不bu工gong作zuo或huo語yu音yin報bao警jing係xi統tong故gu障zhang時shi發fa不bu出chu音yin響xiang信xin號hao;
⑥為了更好實現自動化功能,應不斷強化該係統各類報表、負荷變化曲線等功能,以便使監控人員更為直觀地看出潮流變化情況,月供、年供電量等。
2.2加強運行管理
①在運行中往往因裝置使用不當等人為因素造成電力係統的不安全,因此要製定相應的運行規程,並嚴格按照規程各項規定執行;
②定期執行巡檢製度,可定為24小時一次。完善巡視內容,如自檢和報告信息、語音報警和保護監控音響係統、工作電源運行、各種信號燈指示、連接片和切換把手位置,特別對不間斷電源(UPS)進行切換檢查、通信係統是否正常通信以及“四遙”功能是否正常;
③變(bian)電(dian)站(zhan)自(zi)動(dong)化(hua)係(xi)統(tong)是(shi)一(yi)項(xiang)技(ji)術(shu)含(han)量(liang)高(gao)而(er)複(fu)雜(za)的(de)係(xi)統(tong)工(gong)程(cheng),且(qie)電(dian)力(li)係(xi)統(tong)的(de)連(lian)續(xu)性(xing)和(he)安(an)全(quan)性(xing)的(de)要(yao)求(qiu),一(yi)旦(dan)自(zi)動(dong)化(hua)係(xi)統(tong)發(fa)生(sheng)問(wen)題(ti),必(bi)須(xu)及(ji)時(shi)迅(xun)速(su)排(pai)除(chu),使(shi)之(zhi)盡(jin)快(kuai)恢(hui)複(fu)正(zheng)常(chang)運(yun)行(xing),這(zhe)就(jiu)需(xu)要(yao)正(zheng)確(que)分(fen)析(xi)判(pan)斷(duan)故(gu)障(zhang)點(dian),出(chu)現(xian)異(yi)常(chang)問(wen)題(ti)處(chu)置(zhi)措(cuo)施(shi)並(bing)製(zhi)定(ding)相(xiang)應(ying)的(de)應(ying)急(ji)處(chu)理(li)預(yu)案(an);
④建立相應管理製度,包括:設備定期檢查維護製、檢修質量驗收製、崗位責任製度等。
2.3提高人員業務素質
自動化係統采用了一些新設備和新技術,又綜合不同專業,適應崗位需求必須全麵熟悉掌握係統結構原理、性能特點、係統正確操作程序,隻有這樣才能思路清晰地運用各種方法處理異常情況並進行檢查維護。這就需要為監控人員提供多種學習機會、通過各種渠道各種培訓形式來提升人員隊伍的素質,人員的業務素質提高了自動化係統的實際應用水平也就隨之提高了。
為wei了le不bu斷duan完wan善shan和he發fa展zhan變bian電dian站zhan綜zong合he自zi動dong化hua係xi統tong在zai生sheng產chan實shi際ji中zhong的de應ying用yong,通tong過guo對dui不bu同tong廠chang家jia自zi動dong化hua係xi統tong分fen析xi總zong結jie,提ti出chu幾ji點dian建jian議yi和he應ying對dui措cuo施shi,供gong相xiang關guan部bu門men和he專zhuan業ye人ren員yuan參can考kao。