由于微(wei)(wei)機(ji)(ji)的(de)(de)繼電(dian)保護裝置(zhi)(zhi)的(de)(de)運(yun)(yun)作過程不同(tong)于模擬式保護那樣直觀,對造成(cheng)微(wei)(wei)機(ji)(ji)保護裝置(zhi)(zhi)所發(fa)生的(de)(de)故(gu)(gu)障也有(you)(you)自身(shen)的(de)(de)特點(dian),在(zai)對微(wei)(wei)機(ji)(ji)繼電(dian)保護裝置(zhi)(zhi)發(fa)生的(de)(de)故(gu)(gu)障原因進(jin)行(xing)相關的(de)(de)總結(jie)和(he)分析及在(zai)處理方(fang)面的(de)(de)特點(dian)時,主要在(zai)于要掌(zhang)握其規(gui)律(lv)性(xing),進(jin)行(xing)快(kuai)速有(you)(you)效的(de)(de)對故(gu)(gu)障進(jin)行(xing)處理,從而避(bi)免(mian)由于繼電(dian)保護的(de)(de)原因而引發(fa)相關的(de)(de)設備或電(dian)網事故(gu)(gu)的(de)(de)可(ke)能性(xing),要確(que)保電(dian)網能夠**穩定的(de)(de)進(jin)行(xing)運(yun)(yun)行(xing)。微(wei)(wei)機(ji)(ji)保護與常規(gui)保護兩者之間有(you)(you)著本質上的(de)(de)區(qu)別,經常會發(fa)生一些簡單的(de)(de)事故(gu)(gu)是(shi)很(hen)容易(yi)被排(pai)除(chu)的(de)(de),但(dan)是(shi)對于少數的(de)(de)故(gu)(gu)障僅憑自己(ji)掌(zhang)握的(de)(de)經驗是(shi)難以進(jin)行(xing)排(pai)除(chu)的(de)(de),對其應該采取(qu)正確(que)的(de)(de)步驟(zou)和(he)方(fang)法進(jin)行(xing)解決(jue)。
一(yi)、繼電(dian)保(bao)護的特點 通(tong)(tong)(tong)(tong)過(guo)實(shi)踐和研(yan)究表明,和傳統(tong)中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)繼電(dian)保(bao)(bao)護(hu)相比較,其(qi)(qi)微(wei)機(ji)保(bao)(bao)護(hu)有許多(duo)的(de)(de)(de)(de)(de)(de)(de)優點。(1)能夠改(gai)善和提高在(zai)(zai)(zai)繼電(dian)保(bao)(bao)護(hu)中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)能和動作特(te)(te)征,其(qi)(qi)主要表現(xian)在(zai)(zai)(zai)能夠得(de)到(dao)在(zai)(zai)(zai)常規的(de)(de)(de)(de)(de)(de)(de)保(bao)(bao)護(hu)中(zhong)(zhong)不(bu)容易(yi)獲得(de)的(de)(de)(de)(de)(de)(de)(de)特(te)(te)性(xing)(xing),其(qi)(qi)超強的(de)(de)(de)(de)(de)(de)(de)記憶力能夠更(geng)好的(de)(de)(de)(de)(de)(de)(de)來(lai)實(shi)現(xian)對故障進(jin)行(xing)分量保(bao)(bao)護(hu),也(ye)(ye)可以(yi)通(tong)(tong)(tong)(tong)過(guo)引(yin)進(jin)自動控(kong)制(zhi)和新的(de)(de)(de)(de)(de)(de)(de)數(shu)(shu)學技(ji)術和理論,其(qi)(qi)在(zai)(zai)(zai)運行(xing)中(zhong)(zhong)有較高的(de)(de)(de)(de)(de)(de)(de)正確率(lv)已經在(zai)(zai)(zai)實(shi)踐中(zhong)(zhong)得(de)到(dao)證明;(2)可以(yi)方便的(de)(de)(de)(de)(de)(de)(de)進(jin)行(xing)擴充(chong)關于其(qi)(qi)它(ta)方面(mian)的(de)(de)(de)(de)(de)(de)(de)輔助功能,如波(bo)(bo)形分析、故障錄波(bo)(bo)等(deng),可以(yi)方便的(de)(de)(de)(de)(de)(de)(de)進(jin)行(xing)附加低(di)頻減載、故障錄波(bo)(bo)、自動重(zhong)合閘(zha)等(deng)功能;(3)在(zai)(zai)(zai)工藝(yi)的(de)(de)(de)(de)(de)(de)(de)結構(gou)條件(jian)上比較優越(yue),在(zai)(zai)(zai)硬件(jian)方面(mian)比較通(tong)(tong)(tong)(tong)用(yong),再制(zhi)造(zao)方面(mian)的(de)(de)(de)(de)(de)(de)(de)標準(zhun)很容易(yi)進(jin)行(xing)統(tong)一,裝置(zhi)的(de)(de)(de)(de)(de)(de)(de)體積也(ye)(ye)非(fei)常少(shao)(shao),從(cong)而(er)(er)也(ye)(ye)減少(shao)(shao)了(le)盤位(wei)的(de)(de)(de)(de)(de)(de)(de)數(shu)(shu)量,功耗低(di);(4)其(qi)(qi)可靠性(xing)(xing)很容易(yi)被(bei)提高,主要體現(xian)在(zai)(zai)(zai)數(shu)(shu)字元件(jian)的(de)(de)(de)(de)(de)(de)(de)特(te)(te)性(xing)(xing)上,不(bu)容易(yi)受溫度的(de)(de)(de)(de)(de)(de)(de)變(bian)化而(er)(er)變(bian)化,使(shi)用(yong)年限、電(dian)源(yuan)波(bo)(bo)動、元件(jian)的(de)(de)(de)(de)(de)(de)(de)更(geng)換而(er)(er)影響(xiang);而(er)(er)且在(zai)(zai)(zai)自檢和巡查的(de)(de)(de)(de)(de)(de)(de)能力方面(mian)都很強,可以(yi)通(tong)(tong)(tong)(tong)過(guo)用(yong)軟件(jian)的(de)(de)(de)(de)(de)(de)(de)方法來(lai)監(jian)測相關的(de)(de)(de)(de)(de)(de)(de)主要元件(jian)、部件(jian)的(de)(de)(de)(de)(de)(de)(de)工作狀況(kuang)以(yi)及功能軟件(jian)的(de)(de)(de)(de)(de)(de)(de)本身;(5)在(zai)(zai)(zai)使(shi)用(yong)方面(mian)非(fei)常的(de)(de)(de)(de)(de)(de)(de)靈活(huo),人與機(ji)器(qi)的(de)(de)(de)(de)(de)(de)(de)界面(mian)建立(li)的(de)(de)(de)(de)(de)(de)(de)越(yue)來(lai)越(yue)友好,在(zai)(zai)(zai)調試和維(wei)護(hu)上面(mian)也(ye)(ye)更(geng)加的(de)(de)(de)(de)(de)(de)(de)方便,從(cong)而(er)(er)也(ye)(ye)縮短了(le)在(zai)(zai)(zai)維(wei)修中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)時間。同時通(tong)(tong)(tong)(tong)過(guo)依(yi)據(ju)運行(xing)的(de)(de)(de)(de)(de)(de)(de)經驗,在(zai)(zai)(zai)現(xian)場(chang)可以(yi)通(tong)(tong)(tong)(tong)過(guo)軟件(jian)的(de)(de)(de)(de)(de)(de)(de)方法來(lai)改(gai)變(bian)其(qi)(qi)結構(gou)和特(te)(te)性(xing)(xing)。 (一(yi))電力系統的**問題上分析 當被保護的(de)(de)(de)電力(li)(li)系統元件發(fa)(fa)(fa)生故障時(shi),應(ying)該由(you)元件的(de)(de)(de)繼電保護裝置(zhi)進(jin)行(xing)(xing)準確和迅速的(de)(de)(de)把相(xiang)關發(fa)(fa)(fa)生故障的(de)(de)(de)元件進(jin)行(xing)(xing)脫(tuo)離,并由(you)*近的(de)(de)(de)斷路(lu)器(qi)進(jin)行(xing)(xing)發(fa)(fa)(fa)出跳閘的(de)(de)(de)命令(ling),從而使發(fa)(fa)(fa)生故障的(de)(de)(de)元件能及時(shi)的(de)(de)(de)從電力(li)(li)系統中進(jin)行(xing)(xing)分離,以*大限(xian)度(du)的(de)(de)(de)減(jian)少(shao)對電力(li)(li)系統中元件的(de)(de)(de)本身所造成的(de)(de)(de)破壞,要大大的(de)(de)(de)降低對電力(li)(li)系統**供(gong)電的(de)(de)(de)影響(xiang),并滿(man)足(zu)其(qi)電力(li)(li)系統的(de)(de)(de)某(mou)些特定要求。 (二)**提醒問題上的分(fen)析 有效的反映出(chu)電(dian)器(qi)設備(bei)的不正(zheng)(zheng)常(chang)工作(zuo)的狀(zhuang)況(kuang),并根據所發(fa)生(sheng)的不正(zheng)(zheng)常(chang)工作(zuo)狀(zhuang)況(kuang)的原因和(he)設備(bei)的運行(xing)維護條件的不同所發(fa)出(chu)相(xiang)應的信(xin)號,以便值(zhi)班人員進(jin)行(xing)相(xiang)對應的處理,或(huo)者(zhe)(zhe)由自身(shen)的裝(zhuang)置進(jin)行(xing)自動的調(diao)整,或(huo)者(zhe)(zhe)把(ba)那些(xie)正(zheng)(zheng)在運行(xing)會引起事故的相(xiang)關電(dian)器(qi)設備(bei)進(jin)行(xing)有效的切除,那些(xie)反應出(chu)不正(zheng)(zheng)常(chang)工作(zuo)情況(kuang)的繼(ji)電(dian)保護裝(zhuang)置允許帶一定的延(yan)時(shi)工作(zuo)。二、容易引發(fa)的故障 從(cong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)互感器方(fang)(fang)面(mian)來說(shuo),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)互感器的(de)(de)(de)二(er)(er)次(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)(lu)在(zai)(zai)運行(xing)(xing)的(de)(de)(de)過(guo)程(cheng)中所(suo)出現(xian)(xian)的(de)(de)(de)故(gu)障是繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)(hu)(hu)工作中的(de)(de)(de)一(yi)個相(xiang)(xiang)對薄弱的(de)(de)(de)環(huan)節。作為繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)(hu)(hu)測量設備(bei)的(de)(de)(de)起始(shi)點(dian),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)互感器對二(er)(er)次(ci)(ci)(ci)系統的(de)(de)(de)正(zheng)常(chang)運行(xing)(xing)是非(fei)常(chang)重要的(de)(de)(de),在(zai)(zai)PT二(er)(er)次(ci)(ci)(ci)回(hui)路(lu)(lu)(lu)時設備(bei)不(bu)(bu)多(duo)(duo),接(jie)(jie)(jie)線(xian)也不(bu)(bu)復(fu)雜,但(dan)出現(xian)(xian)在(zai)(zai)PT二(er)(er)次(ci)(ci)(ci)回(hui)路(lu)(lu)(lu)上(shang)的(de)(de)(de)故(gu)障卻不(bu)(bu)少見(jian)。由于PT二(er)(er)次(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)(lu)上(shang)的(de)(de)(de)故(gu)障而導致的(de)(de)(de)嚴重后果(guo)是保(bao)護(hu)(hu)(hu)誤動(dong)或拒動(dong)。根(gen)據相(xiang)(xiang)關(guan)的(de)(de)(de)運行(xing)(xing)經(jing)驗來說(shuo),PT二(er)(er)次(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)(lu)的(de)(de)(de)異常(chang)主要是集中在(zai)(zai)以下幾方(fang)(fang)面(mian):在(zai)(zai)PT二(er)(er)次(ci)(ci)(ci)中性點(dian)接(jie)(jie)(jie)地(di)(di)方(fang)(fang)式異常(chang);其主要表現(xian)(xian)為二(er)(er)次(ci)(ci)(ci)未(wei)接(jie)(jie)(jie)地(di)(di)(虛接(jie)(jie)(jie))或多(duo)(duo)點(dian)接(jie)(jie)(jie)地(di)(di)。二(er)(er)次(ci)(ci)(ci)未(wei)接(jie)(jie)(jie)地(di)(di)(虛接(jie)(jie)(jie))除了(le)在(zai)(zai)有(you)關(guan)變電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站接(jie)(jie)(jie)地(di)(di)網方(fang)(fang)面(mian)相(xiang)(xiang)關(guan)的(de)(de)(de)原因,更多(duo)(duo)的(de)(de)(de)則(ze)(ze)是由接(jie)(jie)(jie)線(xian)工藝所(suo)引(yin)起的(de)(de)(de)。這(zhe)樣PT二(er)(er)次(ci)(ci)(ci)接(jie)(jie)(jie)地(di)(di)相(xiang)(xiang)與地(di)(di)網之(zhi)間產生(sheng)了(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya),該電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)是由各(ge)相(xiang)(xiang)接(jie)(jie)(jie)觸(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)不(bu)(bu)平衡程(cheng)度來決定(ding)的(de)(de)(de)。而這(zhe)個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)疊加到(dao)保(bao)護(hu)(hu)(hu)裝置的(de)(de)(de)各(ge)相(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)上(shang),使(shi)各(ge)相(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)產生(sheng)幅值和相(xiang)(xiang)位的(de)(de)(de)變化,從(cong)而引(yin)起阻抗(kang)元件(jian)和方(fang)(fang)向(xiang)元件(jian)誤動(dong)或拒動(dong)。PT開(kai)口(kou)三角電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)(lu)產生(sheng)了(le)異常(chang);PT開(kai)口(kou)三角電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)(lu)處斷(duan)線(xian),有(you)機械(xie)上(shang)的(de)(de)(de)原因,其短路(lu)(lu)(lu)則(ze)(ze)與某些習慣(guan)做法有(you)關(guan)。在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁型母線(xian)、變壓(ya)(ya)(ya)(ya)(ya)器保(bao)護(hu)(hu)(hu)中,為了(le)達到(dao)零(ling)序(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)定(ding)值,往往將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器中限流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻進行(xing)(xing)短接(jie)(jie)(jie),有(you)的(de)(de)(de)則(ze)(ze)使(shi)用小(xiao)刻(ke)度的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器,從(cong)而大大的(de)(de)(de)減小(xiao)了(le)開(kai)口(kou)三角回(hui)路(lu)(lu)(lu)阻抗(kang)。當(dang)變電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站內或出口(kou)接(jie)(jie)(jie)地(di)(di)故(gu)障時,零(ling)序(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)比較大,回(hui)路(lu)(lu)(lu)負荷阻抗(kang)較小(xiao),回(hui)路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)較大,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(流(liu))繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器線(xian)圈(quan)過(guo)熱后把絕緣體進行(xing)(xing)破壞從(cong)而發生(sheng)短路(lu)(lu)(lu)。短路(lu)(lu)(lu)持續(xu)時間過(guo)長就(jiu)(jiu)會燒斷(duan)線(xian)圈(quan),從(cong)而使(shi)PT開(kai)口(kou)三角電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)回(hui)路(lu)(lu)(lu)在(zai)(zai)該處斷(duan)線(xian),這(zhe)種(zhong)情況在(zai)(zai)許多(duo)(duo)地(di)(di)區也發生(sheng)過(guo)。PT二(er)(er)次(ci)(ci)(ci)失(shi)壓(ya)(ya)(ya)(ya)(ya);PT二(er)(er)次(ci)(ci)(ci)失(shi)壓(ya)(ya)(ya)(ya)(ya)可(ke)以說(shuo)是在(zai)(zai)困(kun)擾(rao)使(shi)用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)保(bao)護(hu)(hu)(hu)中的(de)(de)(de)*經(jing)典問(wen)題,糾其根(gen)本就(jiu)(jiu)是各(ge)類開(kai)斷(duan)設備(bei)性能(neng)和二(er)(er)次(ci)(ci)(ci)回(hui)路(lu)(lu)(lu)不(bu)(bu)完善(shan)所(suo)引(yin)起的(de)(de)(de)。 三、處理的相(xiang)關措施(shi) (一)要用正確的心態來對待事故(gu) 有些繼電保護事(shi)(shi)(shi)故發生(sheng)后(hou),要按(an)照(zhao)現場的(de)指示信(xin)(xin)號燈來(lai)進(jin)行處理(li),要是(shi)(shi)無法找到其故障發生(sheng)的(de)原因(yin)(yin),或者在(zai)斷路(lu)器跳(tiao)閘后(hou)沒有相關(guan)的(de)信(xin)(xin)號燈進(jin)行指示,無法來(lai)判斷其事(shi)(shi)(shi)故發生(sheng)的(de)原因(yin)(yin)是(shi)(shi)設備引(yin)起的(de)事(shi)(shi)(shi)故還是(shi)(shi)人為(wei)所引(yin)起的(de)事(shi)(shi)(shi)故,在(zai)這(zhe)種情(qing)況(kuang)下,往往會跟工作人員的(de)運用措施(shi)不利、重視(shi)的(de)程度(du)不夠等(deng)相關(guan)的(de)原因(yin)(yin)有關(guan)。如果(guo)是(shi)(shi)人為(wei)的(de)事(shi)(shi)(shi)故就必須(xu)如實的(de)向上級進(jin)行反(fan)應,以(yi)便(bian)分析事(shi)(shi)(shi)故的(de)原因(yin)(yin)和避(bi)免的(de)過多浪費時間。 (二(er))在故(gu)障的(de)記錄方(fang)面要加緊落實(shi) 微(wei)機的(de)(de)(de)(de)(de)事(shi)件記(ji)錄(lu)(lu)、裝(zhuang)置燈光顯示的(de)(de)(de)(de)(de)信號、故(gu)(gu)(gu)障錄(lu)(lu)播的(de)(de)(de)(de)(de)圖形,是(shi)(shi)事(shi)故(gu)(gu)(gu)在(zai)處(chu)理方面*重要的(de)(de)(de)(de)(de)依據。根(gen)據有用(yong)的(de)(de)(de)(de)(de)信息來作(zuo)(zuo)出(chu)正確的(de)(de)(de)(de)(de)判(pan)斷(duan),這是(shi)(shi)解(jie)決問題的(de)(de)(de)(de)(de)關(guan)鍵(jian)所在(zai),如(ru)果通過一、二(er)次(ci)系統進(jin)行**的(de)(de)(de)(de)(de)檢查,發(fa)現(xian)一次(ci)系統的(de)(de)(de)(de)(de)故(gu)(gu)(gu)障使繼電(dian)(dian)保(bao)(bao)護(hu)系統能(neng)夠(gou)正常的(de)(de)(de)(de)(de)工作(zuo)(zuo),則(ze)不存在(zai)繼電(dian)(dian)保(bao)(bao)護(hu)事(shi)故(gu)(gu)(gu)所處(chu)理的(de)(de)(de)(de)(de)問題。如(ru)果判(pan)斷(duan)事(shi)故(gu)(gu)(gu)出(chu)現(xian)在(zai)繼電(dian)(dian)保(bao)(bao)護(hu)的(de)(de)(de)(de)(de)上面,應盡量(liang)的(de)(de)(de)(de)(de)維持其原(yuan)(yuan)狀(zhuang),要做好記(ji)錄(lu)(lu),要在(zai)故(gu)(gu)(gu)障處(chu)理的(de)(de)(de)(de)(de)計劃完成后才能(neng)進(jin)行接下來的(de)(de)(de)(de)(de)開展工作(zuo)(zuo),從而避免了原(yuan)(yuan)始狀(zhuang)況被(bei)破壞的(de)(de)(de)(de)(de)可能(neng)性,造成給事(shi)故(gu)(gu)(gu)處(chu)理帶來不必要的(de)(de)(de)(de)(de)麻煩。在(zai)實(shi)際的(de)(de)(de)(de)(de)運(yun)行過程中,運(yun)行人員應該充分的(de)(de)(de)(de)(de)利用(yong)站內的(de)(de)(de)(de)(de)設(she)備(bei)功(gong)能(neng),進(jin)行綜合(he)的(de)(de)(de)(de)(de)對事(shi)故(gu)(gu)(gu)的(de)(de)(de)(de)(de)現(xian)場進(jin)行有效(xiao)的(de)(de)(de)(de)(de)分析,然后做出(chu)正確的(de)(de)(de)(de)(de)判(pan)斷(duan)。 根據(ju)電(dian)(dian)力(li)系(xi)統自現(xian)場實(shi)際的(de)(de)(de)(de)運行狀況和(he)(he)以(yi)上的(de)(de)(de)(de)事(shi)故與故障(zhang)(zhang)的(de)(de)(de)(de)經(jing)驗和(he)(he)方法,對(dui)微機保(bao)(bao)(bao)護系(xi)統所產生的(de)(de)(de)(de)一(yi)(yi)些問題的(de)(de)(de)(de)原因進(jin)行了(le)(le)(le)一(yi)(yi)般性的(de)(de)(de)(de)分類,并(bing)在(zai)一(yi)(yi)定的(de)(de)(de)(de)范圍內總(zong)結了(le)(le)(le)處理(li)事(shi)故的(de)(de)(de)(de)思路(lu)和(he)(he)方法,還介紹了(le)(le)(le)有關(guan)在(zai)提高處理(li)相(xiang)應的(de)(de)(de)(de)事(shi)故和(he)(he)故障(zhang)(zhang)的(de)(de)(de)(de)*基本途徑以(yi)上的(de)(de)(de)(de)思路(lu)和(he)(he)方法,都具備其實(shi)用性和(he)(he)可(ke)操作(zuo)性。繼電(dian)(dian)保(bao)(bao)(bao)護是電(dian)(dian)力(li)系(xi)統進(jin)行**正常運行的(de)(de)(de)(de)*重要保(bao)(bao)(bao)障(zhang)(zhang),目前為止,已經(jing)得到了(le)(le)(le)廣泛(fan)的(de)(de)(de)(de)應用,隨著(zhu)我國的(de)(de)(de)(de)科學技(ji)術在(zai)不斷的(de)(de)(de)(de)發展和(he)(he)進(jin)步(bu),繼電(dian)(dian)保(bao)(bao)(bao)護技(ji)術日益的(de)(de)(de)(de)呈(cheng)現(xian)出向網絡化、微機化、智能化,控(kong)制、保(bao)(bao)(bao)護、數(shu)據(ju)通信(xin)和(he)(he)測量一(yi)(yi)體(ti)化發展的(de)(de)(de)(de)趨勢。
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