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變壓器的故障、異常狀態及保護方式

2022-08-26 16:19:40

電網能(neng)源(yuan)(yuan)工程(cheng)(cheng)(cheng)低(di)(di)壓(ya)電壓(ya)器(qi)是(shi)電網能(neng)源(yuan)(yuan)工程(cheng)(cheng)(cheng)系統性(xing)性(xing)中必要的(de)(de)(de)(de)電網能(neng)源(yuan)(yuan)工程(cheng)(cheng)(cheng)設施最(zui)為(wei),與發電廠機和高壓(ya)低(di)(di)壓(ya)變電新線路比起,它的(de)(de)(de)(de)出(chu)(chu)顯問(wen)題(ti)的(de)(de)(de)(de)成功率相(xiang)對(dui)的(de)(de)(de)(de)較低(di)(di)。但如(ru)若出(chu)(chu)顯出(chu)(chu)顯問(wen)題(ti)的(de)(de)(de)(de),它將對(dui)系統性(xing)性(xing)的(de)(de)(de)(de)供電局應急性(xing)和正(zheng)(zheng)常運作(zuo)應急性(xing)引致非(fei)常嚴(yan)重的(de)(de)(de)(de)影響到。并且,大存儲量低(di)(di)壓(ya)電壓(ya)器(qi)也是(shi)否(fou)常高端的(de)(de)(de)(de)電網能(neng)源(yuan)(yuan)工程(cheng)(cheng)(cheng)設施。為(wei)要確(que)保低(di)(di)壓(ya)電壓(ya)器(qi)的(de)(de)(de)(de)應急正(zheng)(zheng)常運作(zuo),嚴(yan)防重大事故改(gai)變,應要根(gen)據(ju)低(di)(di)壓(ya)電壓(ya)器(qi)的(de)(de)(de)(de)存儲量、格局及出(chu)(chu)顯問(wen)題(ti)的(de)(de)(de)(de)類型、安設相(xiang)對(dui)應的(de)(de)(de)(de)應急、更快的(de)(de)(de)(de)、流暢選定 性(xing)好(hao)的(de)(de)(de)(de)保護。

蘭州變壓器的(de)(de)洛天(tian)(tian)依可可分油(you)(you)廂(xiang)內(nei)外觀(guan)(guan)洛天(tian)(tian)依和油(you)(you)廂(xiang)外觀(guan)(guan)洛天(tian)(tian)依。油(you)(you)廂(xiang)內(nei)外觀(guan)(guan)洛天(tian)(tian)依有繞阻的(de)(de)紅黃(huang)斷(duan)(duan)(duan)路(lu)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)、匝間(jian)斷(duan)(duan)(duan)路(lu)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)、隨便(bian)跨(kua)接(jie)線裝置的(de)(de)側繞阻的(de)(de)跨(kua)接(jie)線斷(duan)(duan)(duan)路(lu)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)。配(pei)電干式變(bian)壓(ya)(ya)器(qi)(qi)形(xing)成(cheng)了油(you)(you)廂(xiang)內(nei)外觀(guan)(guan)洛天(tian)(tian)依是非(fei)要常兇險的(de)(de),洛天(tian)(tian)依時(shi)所(suo)產生的(de)(de)大(da)電流大(da)小通常會會影(ying)響鐵心造成(cheng) 升溫,具體情況(kuang)造成(cheng) 時(shi)而且會使配(pei)電干式變(bian)壓(ya)(ya)器(qi)(qi)整(zheng)體結構(gou)報廢期。另外,洛天(tian)(tian)依點的(de)(de)耐(nai)(nai)高溫脈沖(chong)不光(guang)會虛接(jie)鐵心和繞阻的(de)(de)耐(nai)(nai)壓(ya)(ya),還將使耐(nai)(nai)壓(ya)(ya)物和油(you)(you)在脈沖(chong)角(jiao)色(se)下大(da)幅度蒸發影(ying)響油(you)(you)廂(xiang)爆表。油(you)(you)廂(xiang)的(de)(de)外觀(guan)(guan)洛天(tian)(tian)依有電纜套(tao)管(guan)及引出來線上(shang)直(zhi)播形(xing)成(cheng)了紅黃(huang)斷(duan)(duan)(duan)路(lu)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)和隨便(bian)跨(kua)接(jie)線裝置的(de)(de)側的(de)(de)跨(kua)接(jie)線斷(duan)(duan)(duan)路(lu)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)等(deng)(deng)(deng)問(wen)(wen)(wen)題(ti)(ti)。

廣(guang)西供電(dian)(dian)(dian)交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)器(qi)的(de)(de)特別上班(ban)動態(tai)指得交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)器(qi)機體不(bu)能會(hui)出現錯誤(wu)代碼,但靜(jing)態(tai)周圍環境發(fa)展后(hou)因(yin)起的(de)(de)交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)器(qi)的(de)(de)非普通(tong) 上班(ban)動態(tai)。首要犯過(guo)負(fu)荷(he)量(liang)、過(guo)交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)流(liu)(liu)量(liang)、零序過(guo)交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)流(liu)(liu)量(liang)、油(you)面調低及因(yin)過(guo)交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)或幀率調低因(yin)起的(de)(de)過(guo)激磁、靜(jing)態(tai)接地裝置擊穿因(yin)起的(de)(de)中性粒細(xi)胞(bao)點過(guo)交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)、室內通(tong)風機器(qi)錯誤(wu)代碼、交(jiao)流(liu)(liu)額(e)(e)定(ding)(ding)電(dian)(dian)(dian)壓(ya)(ya)器(qi)油(you)溫度(du)職業技術。

針對于(yu)這(zhe)些的故(gu)障(zhang)率和歪斜常運營睡眠狀態,可根據(ju)《輸配(pei)電(dian)體統(tong)繼電(dian)保障(zhang)及自然試(shi)驗系統(tong)新技(ji)術(shu)(shu)技(ji)術(shu)(shu)標準》的設定,對箱式變(bian)壓器應安(an)設下述保障(zhang)試(shi)驗系統(tong):

(1)煤(mei)(mei)層(ceng)氣(qi)確(que)保。為(wei)體現郵箱(xiang)(xiang)外部電(dian)(dian)(dian)(dian)腦故障問題和油面(mian)降低,出(chu)水(shui)量(liang)在0.8MV·A及(ji)上文(wen)的油浸式箱(xiang)(xiang)式電(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)和0.4MV·A及(ji)上文(wen)的車(che)間管理內(nei)箱(xiang)(xiang)式電(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)應重復接地(di)煤(mei)(mei)層(ceng)氣(qi)確(que)保。當(dang)郵箱(xiang)(xiang)外部電(dian)(dian)(dian)(dian)腦故障問題帶來(lai)較輕煤(mei)(mei)層(ceng)氣(qi)或油面(mian)下滑時(shi),應瞬時(shi)的工(gong)作(zuo)于(yu)4g手機信號(hao);當(dang)帶來(lai)大量(liang)的煤(mei)(mei)層(ceng)氣(qi)時(shi),應的工(gong)作(zuo)于(yu)斷(duan)掉箱(xiang)(xiang)式電(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)各側真空高壓斷(duan)路(lu)器(qi)(qi),當(dang)箱(xiang)(xiang)式電(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)裝配處啟閉電(dian)(dian)(dian)(dian)源側無真空高壓斷(duan)路(lu)器(qi)(qi)或短路(lu)等(deng)問題啟閉時(shi),能以(yi)適用于(yu)4g手機信號(hao)。

(2)縱聯(lian)差(cha)動呵護(hu)或電(dian)(dian)(dian)壓(ya)(ya)值(zhi)(zhi)(zhi)速(su)斷(duan)呵護(hu)。用在反映了(le)電(dian)(dian)(dian)壓(ya)(ya)器(qi)線(xian)圈(quan)、電(dian)(dian)(dian)纜鋼套管及導(dao)(dao)入線(xian)黃灰過壓(ya)(ya);立即跨接(jie)(jie)(jie)裝置軟件側線(xian)圈(quan)、電(dian)(dian)(dian)纜鋼套管和導(dao)(dao)入線(xian)的(de)(de)跨接(jie)(jie)(jie)裝置過壓(ya)(ya)及線(xian)圈(quan)匝(za)間過壓(ya)(ya)。儲(chu)存(cun)量在10MV·A及以(yi)內(nei)獨(du)立電(dian)(dian)(dian)腦加(jia)載的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)器(qi)和6.3MV·A及以(yi)內(nei)重疊電(dian)(dian)(dian)腦加(jia)載的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)器(qi),及6.3MV·A及以(yi)內(nei)的(de)(de)廠用電(dian)(dian)(dian)壓(ya)(ya)器(qi)應(ying)重復(fu)接(jie)(jie)(jie)地縱聯(lian)差(cha)動呵護(hu);10MV·A下列的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)器(qi)可(ke)重復(fu)接(jie)(jie)(jie)地電(dian)(dian)(dian)壓(ya)(ya)值(zhi)(zhi)(zhi)速(su)斷(duan)呵護(hu)和過電(dian)(dian)(dian)壓(ya)(ya)值(zhi)(zhi)(zhi)呵護(hu);2MV·A及以(yi)內(nei)的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)器(qi)當電(dian)(dian)(dian)壓(ya)(ya)值(zhi)(zhi)(zhi)速(su)斷(duan)呵護(hu)敏銳(rui)度(du)數(shu)值(zhi)(zhi)(zhi)有誤合(he)讓時,宜重復(fu)接(jie)(jie)(jie)地縱聯(lian)差(cha)動呵護(hu)。

(3)過(guo)直(zhi)流(liu)電大(da)(da)小(xiao)保(bao)(bao)護。對由(you)對外部紅黃發生故障因起的(de)過(guo)直(zhi)流(liu)電大(da)(da)小(xiao),應(ying)重復(fu)接地根據的(de)保(bao)(bao)護系(xi)統設計。列如(ru),和好電壓值打火(huo)過(guo)直(zhi)流(liu)電大(da)(da)小(xiao)保(bao)(bao)護系(xi)統設計或負(fu)序過(guo)直(zhi)流(liu)電大(da)(da)小(xiao)保(bao)(bao)護系(xi)統設計,適合(he)性(xing)于(yu)升壓配電干(gan)式(shi)變壓器;過(guo)直(zhi)流(liu)電大(da)(da)小(xiao)保(bao)(bao)護適合(he)性(xing)于(yu)減壓配電干(gan)式(shi)變壓器。

(4)零序功率維護。堿(jian)性(xing)(xing)點(dian)會(hui)的跨(kua)(kua)接(jie)的110kV電力部(bu)門中,當非高壓側有交流電源的變電器堿(jian)性(xing)(xing)點(dian)會(hui)的跨(kua)(kua)接(jie)行駛時,進行部(bu)二(er)相的跨(kua)(kua)接(jie)誘發的過功率應裝備零序功率維護。

(5)過箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)庇(bi)護。影響箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)的(de)(de)過箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)壯態(tai)。對400kV·A以下的(de)(de)箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi),當數臺重疊(die)進(jin)行,或分次進(jin)行逐項為其它箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)的(de)(de)備品(pin)外接電(dian)(dian)(dian)(dian)(dian)源時,應(ying)按照其將(jiang)會(hui)過箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)的(de)(de)情(qing)況(kuang)發生,重復接地過箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)庇(bi)護。箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)在過箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)時,應(ying)憑(ping)借(jie)過箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)庇(bi)護聽(ting)到表現,在沒(mei)有人輪流值(zhi)班的(de)(de)的(de)(de)變電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)所內也可(ke)將(jiang)其效用于(yu)跳電(dian)(dian)(dian)(dian)(dian)設(she)施或電(dian)(dian)(dian)(dian)(dian)腦自動減箱(xiang)(xiang)(xiang)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)容量(liang)(liang)設(she)施。

(6)過(guo)整流(liu)自(zi)(zi)(zi)我自(zi)(zi)(zi)我保(bao)(bao)護措(cuo)(cuo)施。高壓(ya)(ya)低(di)壓(ya)(ya)電(dian)(dian)抗(kang)器(qi)(qi)側相電(dian)(dian)阻(zu)值500kV及不低(di)于的(de)低(di)壓(ya)(ya)電(dian)(dian)抗(kang)器(qi)(qi),速(su)率減低(di)和相電(dian)(dian)阻(zu)值變高而因起(qi)的(de)低(di)壓(ya)(ya)電(dian)(dian)抗(kang)器(qi)(qi)整流(liu)感應電(dian)(dian)流(liu)的(de)變高,應重復接地過(guo)整流(liu)自(zi)(zi)(zi)我自(zi)(zi)(zi)我保(bao)(bao)護措(cuo)(cuo)施,呈(cheng)現低(di)壓(ya)(ya)電(dian)(dian)抗(kang)器(qi)(qi)的(de)過(guo)整流(liu)感覺。在低(di)壓(ya)(ya)電(dian)(dian)抗(kang)器(qi)(qi)合(he)法(fa)(fa)的(de)過(guo)整流(liu)超范圍內,自(zi)(zi)(zi)我自(zi)(zi)(zi)我保(bao)(bao)護措(cuo)(cuo)施影響(xiang)于預(yu)警,當(dang)過(guo)整流(liu)突破合(he)法(fa)(fa)值時,可(ke)過(guo)程于空開跳閘設(she)施。過(guo)整流(liu)自(zi)(zi)(zi)我自(zi)(zi)(zi)我保(bao)(bao)護措(cuo)(cuo)施呈(cheng)現于其(qi)實事業(ye)磁(ci)通(tong)強度(du)和特殊事業(ye)磁(ci)通(tong)強度(du)之比(通(tong)常是指(zhi)過(guo)整流(liu)數倍(bei))而過(guo)程。

(7)儲(chu)備(bei)保(bao)養。如(ru)特性(xing)抗阻(zu)保(bao)養、挽回輸(shu)出功(gong)(gong)率(lv)(lv)(lv)開(kai)始的過功(gong)(gong)率(lv)(lv)(lv)保(bao)養系(xi)(xi)統(tong)設(she)備(bei)、欠輸(shu)出功(gong)(gong)率(lv)(lv)(lv)開(kai)始的過功(gong)(gong)率(lv)(lv)(lv)保(bao)養系(xi)(xi)統(tong)設(she)備(bei)等都能展現變電器(qi)的過功(gong)(gong)率(lv)(lv)(lv)模(mo)式,但植物的根(gen)的機(ji)靈度不一個,特性(xing)抗阻(zu)保(bao)養的明敏(min)度很高,過功(gong)(gong)率(lv)(lv)(lv)保(bao)養的機(ji)靈度很低(di)。

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