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干貨收藏|發電機主保護簡介

所屬分類:信息公開    發布時間: 2021-07-05    作者:
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   1、柴油(you)機柴油(you)發電機去磁(ci)維(wei)護保養

   去(qu)磁維護保養就是作為柴(chai)油機柴(chai)油發(fa)電機勵磁電發(fa)現異常減(jian)少或者是完全消(xiao)散時的去(qu)磁常見(jian)問題維護保養。由(you)整(zheng)穩(wen)定值自動式(shi)隨功率因數變化的勵磁調節器低(di)電壓(ya)Ufd(P)、系統低(di)電壓(ya)、靜穩(wen)特性阻抗(kang)、TV斷掉(diao)等評定規(gui)范構成,分別姿態于發(fa)信號(hao)商討(tao)列滅磁。

   勵磁調節器(qi)低電壓Ufd(P)評(ping)定(ding)規范庫車(che)穩(wen)特性阻(zu)抗評(ping)定(ding)規范都庫車(che)穩(wen)界線(xian)有(you)關,可以(yi)檢測出柴油(you)機(ji)柴油(you)發(fa)電機(ji)是否因去(qu)磁而缺乏(fa)基(ji)本數據(ju)類(lei)型穩(wen)定(ding)。靜穩(wen)特性阻(zu)抗評(ping)定(ding)規范在(zai)去(qu)磁后靜穩(wen)界線(xian)時(shi)姿態

   TV斷掉(diao)評定(ding)規范在確保以下兩(liang)個規范中(zhong)任一(yi)規范:│Ua Ub Uc-3U0│≥Uset(工作標準工作標準電(dian)壓門坎)或(huo)三相(xiang)電(dian)壓均低于(yu)8V,且0.1A<IA<ISET(電(dian)總流量門坎)時算為TV二次回路斷掉(diao),將失磁(ci)維護(hu)保養閉鎖。│UA UB UC-3U0│&ge;USET用于(yu)鑒別(bie)TV單相(xiang)或(huo)兩(liang)相(xiang)斷掉(diao),低壓評定(ding)規范辨別(bie)三相(xiang)過電(dian)壓。

   在供配電系(xi)統短路故(gu)障(zhang)常(chang)見(jian)(jian)(jian)故(gu)障(zhang)常(chang)見(jian)(jian)(jian)問(wen)題(ti)疑難問(wen)題(ti)或短路故(gu)障(zhang)常(chang)見(jian)(jian)(jian)故(gu)障(zhang)常(chang)見(jian)(jian)(jian)問(wen)題(ti)疑難問(wen)題(ti)切除(chu)等非(fei)去(qu)磁因素很有可能會造成 波動時,維(wei)護保養(yang)采用一定的合理預(yu)防(fang)(fang)措(cuo)施(shi)閉(bi)鎖Ufd(P),可防(fang)(fang)止 維(wei)護保養(yang)誤國(guo)際(ji)貿易。

   勵(li)磁(ci)調(diao)節器低(di)(di)(di)(di)電壓(ya)Ufd(P)鑒別姿態后經(jing)t1(2s)傳出磁(ci)信號。勵(li)磁(ci)調(diao)節器低(di)(di)(di)(di)電壓(ya)Ufd(P)判、靜穩(wen)特性阻(zu)抗評定規范(fan)均確保(bao)且(qie)(qie)無TV二次回(hui)路(lu)斷掉時(shi)經(jing)t2(6s)傳來跳(tiao)電指令(ling)。勵(li)磁(ci)調(diao)節器低(di)(di)(di)(di)電壓(ya)Ufd(P)評定規范(fan)、靜穩(wen)特性阻(zu)抗、系(xi)統(tong)低(di)(di)(di)(di)電壓(ya)評定規范(fan)均確保(bao)且(qie)(qie)無TV二次回(hui)路(lu)斷掉時(shi)經(jing)t3(1s)傳來跳(tiao)電指令(ling)。

   2、柴油機(ji)柴油發電(dian)(dian)機(ji)過勵磁電(dian)(dian)維護保養

   過(guo)(guo)(guo)勵(li)磁(ci)電(dian)(dian)維(wei)護(hu)保(bao)養是體現柴油機柴油發電(dian)(dian)機因(yin)頻率降(jiang)低(di)或者工作標(biao)準(zhun)(zhun)工作標(biao)準(zhun)(zhun)電(dian)(dian)壓(ya)過(guo)(guo)(guo)高(gao)導致 電(dian)(dian)源變壓(ya)器工作中磁(ci)密(mi)過(guo)(guo)(guo)高(gao)的(de)維(wei)護(hu)保(bao)養。過(guo)(guo)(guo)勵(li)磁(ci)電(dian)(dian)維(wei)護(hu)保(bao)養分高(gao)、低(di)2段穩定值,低(di)穩定值經(jing)歷固定不變始(shi)終(zhong)不變延遲(chi)時(shi)(shi)間5s后發出信號(hao)和降(jiang)低(di)勵(li)磁(ci)調(diao)節器工作標(biao)準(zhun)(zhun)工作標(biao)準(zhun)(zhun)電(dian)(dian)壓(ya)(降(jiang)低(di)勵(li)磁(ci)調(diao)節器工作標(biao)準(zhun)(zhun)工作標(biao)準(zhun)(zhun)電(dian)(dian)壓(ya)、勵(li)磁(ci)電(dian)(dian)的(de)功(gong)效短暫性(xing)未(wei)用),高(gao)穩定值經(jing)反限期(qi)(qi)姿(zi)態于解列(lie)滅磁(ci)。反限期(qi)(qi)延遲(chi)時(shi)(shi)間限定為5秒,低(di)限為200秒。

  &nbsp;3、柴油(you)發電機(ji)組電機(ji)轉子接(jie)地(di)保護

   柴(chai)油發電(dian)(dian)機(ji)(ji)(ji)組(zu)電(dian)(dian)機(ji)(ji)(ji)轉子(zi)接(jie)地(di)保(bao)護(hu)(hu)作(zuo)(zuo)為(wei)柴(chai)油發電(dian)(dian)機(ji)(ji)(ji)組(zu)電(dian)(dian)機(ji)(ji)(ji)轉子(zi)單(dan)相接(jie)地(di)常見(jian)問題(ti)維(wei)(wei)護(hu)(hu)保(bao)養(yang),由(you)(you)基(ji)波(bo)零序電(dian)(dian)壓一(yi)部分和三次諧波(bo)工(gong)作(zuo)(zuo)標準(zhun)(zhun)工(gong)作(zuo)(zuo)標準(zhun)(zhun)電(dian)(dian)壓兩一(yi)部分組(zu)成(cheng)(cheng),基(ji)波(bo)零序電(dian)(dian)壓維(wei)(wei)護(hu)(hu)保(bao)養(yang)機(ji)(ji)(ji)端至尾(wei)舵95%地(di)域的(de)電(dian)(dian)機(ji)(ji)(ji)轉子(zi)繞阻單(dan)相接(jie)地(di)常見(jian)問題(ti),由(you)(you)反映柴(chai)油機(ji)(ji)(ji)柴(chai)油發電(dian)(dian)機(ji)(ji)(ji)機(ji)(ji)(ji)端零序電(dian)(dian)壓基(ji)本前提構成(cheng)(cheng),經限(xian)期t1(三秒)姿態于解列滅磁;三次諧波(bo)工(gong)作(zuo)(zuo)標準(zhun)(zhun)工(gong)作(zuo)(zuo)標準(zhun)(zhun)電(dian)(dian)壓維(wei)(wei)護(hu)(hu)保(bao)養(yang)尾(wei)舵至機(ji)(ji)(ji)端30%地(di)域的(de)電(dian)(dian)機(ji)(ji)(ji)轉子(zi)繞阻單(dan)相接(jie)地(di)常見(jian)問題(ti),由(you)(you)柴(chai)油機(ji)(ji)(ji)柴(chai)油發電(dian)(dian)機(ji)(ji)(ji)中性點和機(ji)(ji)(ji)端三次諧波(bo)基(ji)本前提構成(cheng)(cheng),經限(xian)期t2(5s)姿態于信號。二者組(zu)成(cheng)(cheng)*的(de)電(dian)(dian)機(ji)(ji)(ji)轉子(zi)接(jie)地(di)保(bao)護(hu)(hu)。維(wei)(wei)護(hu)(hu)保(bao)養(yang)裝有PT斷(duan)掉閉鎖

   4、柴油發電機(ji)組電機(ji)轉子(zi)匝間維護(hu)保養

   維護(hu)保(bao)養由(you)縱向(xiang)(xiang)零(ling)序(xu)(xu)電(dian)(dian)(dian)壓(ya)和常(chang)見(jian)問題(ti)分(fen)呈負(fu)序(xu)(xu)方向(xiang)(xiang)評(ping)定(ding)規范(fan)構成,設(she)置(zhi)PT斷掉閉鎖防范(fan)措施,作為柴(chai)(chai)油(you)機(ji)柴(chai)(chai)油(you)發電(dian)(dian)(dian)機(ji)內部(bu)匝間、雙色(se)短路故障常(chang)見(jian)故障常(chang)見(jian)問題(ti)疑難問題(ti)以及電(dian)(dian)(dian)機(ji)轉子繞(rao)阻開焊的(de)(de)主維護(hu)保(bao)養.常(chang)見(jian)問題(ti)分(fen)量負(fu)序(xu)(xu)方向(xiang)(xiang)評(ping)定(ding)規范(fan)依據(ju)檢測排掉柴(chai)(chai)油(you)機(ji)柴(chai)(chai)油(you)發電(dian)(dian)(dian)機(ji)的(de)(de)負(fu)序(xu)(xu)功率(lv)進行(xing)縱向(xiang)(xiang)零(ling)序(xu)(xu)電(dian)(dian)(dian)壓(ya)評(ping)定(ding)規范(fan)通檢測中性(xing)點(dian)與柴(chai)(chai)油(you)機(ji)柴(chai)(chai)油(you)發電(dian)(dian)(dian)機(ji)中性(xing)點(dian)馬上(shang)相(xiang)連但不保(bao)護(hu)接地(di)的(de)(de)3pT張開嘴三(san)角繞(rao)阻所輸出(chu)的(de)(de)縱向(xiang)(xiang)3U0進行(xing)。維護(hu)保(bao)養姿態(tai)于(yu)全停。

   5、失步維護保養

   維(wei)(wei)護(hu)(hu)保養采用(yong)三特性(xing)阻抗電子(zi)元件,依(yi)據特性(xing)阻抗的軌跡(ji)變(bian)(bian)化來檢測滑極(ji)次數并創建波(bo)動(dong)管(guan)(guan)理方法辦(ban)的位(wei)置(zhi)。在(zai)(zai)短(duan)路(lu)故障常(chang)見故障常(chang)見問題疑難問題常(chang)見問題、系統波(bo)動(dong)、工(gong)作(zuo)(zuo)標準(zhun)工(gong)作(zuo)(zuo)標準(zhun)電壓(ya)(ya)控制電路(lu)斷掉等情(qing)況下,維(wei)(wei)護(hu)(hu)保養不操作(zuo)(zuo)失誤。維(wei)(wei)護(hu)(hu)保養一般姿態于信(xin)(xin)號;當(dang)波(bo)動(dong)管(guan)(guan)理方法辦(ban)在(zai)(zai)柴(chai)(chai)(chai)油(you)機(ji)柴(chai)(chai)(chai)油(you)發(fa)(fa)電機(ji)-變(bian)(bian)壓(ya)(ya)器組內部(bu),維(wei)(wei)護(hu)(hu)保養I段運作(zuo)(zuo)經t1(0.5s)發(fa)(fa)跳電命令,姿態于解列滅磁;當(dang)波(bo)動(dong)管(guan)(guan)理方法辦(ban)在(zai)(zai)柴(chai)(chai)(chai)油(you)機(ji)柴(chai)(chai)(chai)油(you)發(fa)(fa)電機(ji)-變(bian)(bian)壓(ya)(ya)器組外部(bu),維(wei)(wei)護(hu)(hu)保養II段運作(zuo)(zuo)經t2(2s)發(fa)(fa)信(xin)(xin)號。維(wei)(wei)護(hu)(hu)保養安(an)裝有電總(zong)流(liu)(liu)量(liang)(liang)閉(bi)鎖(suo)工(gong)業設備,用(yong)以保證在(zai)(zai)閘刀(dao)開關(guan)斷開時(shi)電總(zong)流(liu)(liu)量(liang)(liang)不超過(guo)閘刀(dao)開關(guan)額(e)定電流(liu)(liu)失步(bu)分關(guan)閉(bi)電源(yuan)總(zong)流(liu)(liu)量(liang)(liang)。

   6、低頻積累維(wei)護保養

   低(di)頻積累(lei)(lei)維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)體現系(xi)統頻率降(jiang)低(di)對汽(qi)輪機(ji)(ji)危害(hai)的(de)累(lei)(lei)積效應,維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)由機(ji)(ji)敏的(de)頻率繼(ji)電(dian)(dian)器(qi)和(he)記數(shu)器(qi)組成,經國際貿易(yi)閘刀(dao)開關輔助點接(jie)觸(chu)閉(bi)鎖(suo)(suo)(即柴(chai)油機(ji)(ji)柴(chai)油發電(dian)(dian)機(ji)(ji)退(tui)出(chu)運行時低(di)頻積累(lei)(lei)維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)也退(tui)出(chu)運行),累(lei)(lei)計(ji)系(xi)統頻率低(di)于頻率穩定(ding)值(zhi)(zhi)47.5Hz的(de)時間,當累(lei)(lei)計(ji)時間保(bao)(bao)(bao)(bao)證(zheng)整穩定(ding)值(zhi)(zhi)3000秒(miao)時,經延(yan)遲時間三十秒(miao)姿態于發信號。工業設備(bei)在運行時可馬上監管(guan):穩定(ding)值(zhi)(zhi),頻率f及累(lei)(lei)計(ji)時間的(de)說明。發變(bian)(bian)組差(cha)動保(bao)(bao)(bao)(bao)護(hu)(hu)(hu)(hu)(hu)、變(bian)(bian)壓(ya)器(qi)差(cha)動保(bao)(bao)(bao)(bao)護(hu)(hu)(hu)(hu)(hu)及高變(bian)(bian)差(cha)動保(bao)(bao)(bao)(bao)護(hu)(hu)(hu)(hu)(hu)是被維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)電(dian)(dian)子元件內(nei)部(bu)雙色短路(lu)故障常(chang)(chang)(chang)見(jian)故障常(chang)(chang)(chang)見(jian)問(wen)(wen)題(ti)(ti)疑(yi)難問(wen)(wen)題(ti)(ti)常(chang)(chang)(chang)見(jian)問(wen)(wen)題(ti)(ti)的(de)主維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang),采(cai)用(yong)(yong)市場占有率剎車系(xi)統式基本(ben)前(qian)提。外省常(chang)(chang)(chang)見(jian)問(wen)(wen)題(ti)(ti)時可靠地避(bi)開各側CT特性不一(yi)致(zhi)所導(dao)致(zhi) 的(de)不平衡(heng)電(dian)(dian)總流(liu)(liu)量,地區內(nei)常(chang)(chang)(chang)見(jian)問(wen)(wen)題(ti)(ti)維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)機(ji)(ji)警地姿態。為避(bi)免 在變(bian)(bian)壓(ya)器(qi)勵磁涌流(liu)(liu)作用(yong)(yong)下維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)誤動,維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)采(cai)用(yong)(yong)二(er)次諧(xie)波閉(bi)鎖(suo)(suo)。維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)裝有不歷經二(er)次諧(xie)波閉(bi)鎖(suo)(suo)差(cha)出(chu)水量斷功效,差(cha)役動電(dian)(dian)總流(liu)(liu)量保(bao)(bao)(bao)(bao)證(zheng)整穩定(ding)值(zhi)(zhi)時一(yi)瞬間切除常(chang)(chang)(chang)見(jian)問(wen)(wen)題(ti)(ti)。維(wei)(wei)(wei)護(hu)(hu)(hu)(hu)(hu)保(bao)(bao)(bao)(bao)養(yang)(yang)具有CT斷掉閉(bi)鎖(suo)(suo)功效(實際未用(yong)(yong))。CT斷掉鑒別與柴(chai)油機(ji)(ji)柴(chai)油發電(dian)(dian)機(ji)(ji)差(cha)動保(bao)(bao)(bao)(bao)護(hu)(hu)(hu)(hu)(hu)一(yi)樣。

   7、勵磁調節器控制(zhi)電路過負荷維護保養

   勵(li)磁調節器(qi)控(kong)制電(dian)(dian)(dian)路過(guo)(guo)負荷維護保(bao)(bao)養做為轉子勵(li)磁調節器(qi)控(kong)制電(dian)(dian)(dian)路觸電(dian)(dian)(dian)事故流量或過(guo)(guo)負荷的維護保(bao)(bao)養,構成(cheng)三相式,由定限期(qi)和反限期(qi)兩一部分組成(cheng)。

   定(ding)(ding)限期(qi)(qi)一部(bu)分姿(zi)態電總流量按一切正常運(yun)行十分大(da)額(e)定(ding)(ding)電流下能(neng)可靠返(fan)回(hui)的(de)規范整恒定(ding)(ding)值,經(jing)限期(qi)(qi)t1(5s)姿(zi)態于信號和(he)降(jiang)低勵(li)磁(ci)(ci)電(降(jiang)低勵(li)磁(ci)(ci)電的(de)功效未用);反(fan)限期(qi)(qi)一部(bu)分姿(zi)態特性按柴油(you)機(ji)(ji)柴油(you)發(fa)電機(ji)(ji)勵(li)磁(ci)(ci)調節(jie)器繞阻的(de)過負荷專業能(neng)力創建,維護保養(yang)姿(zi)態于解列滅磁(ci)(ci),反(fan)限期(qi)(qi)限定(ding)(ding)為10秒。

   8、柴(chai)油機(ji)柴(chai)油發電機(ji)轉子一點接(jie)地保護

   柴油機柴油發(fa)電(dian)(dian)機轉子(zi)一(yi)點接地(di)(di)保護用于(yu)(yu)體現(xian)柴油機柴油發(fa)電(dian)(dian)機轉子(zi)控(kong)制電(dian)(dian)路一(yi)點保護接地(di)(di)常見問題,維護保養采用羽毛球賽式變換基(ji)本前提,輪著抽樣轉子(zi)控(kong)制電(dian)(dian)路正、負級對地(di)(di)工作標(biao)準(zhun)(zhun)工作標(biao)準(zhun)(zhun)電(dian)(dian)壓,依據求取兩個不一(yi)樣的(de)保護接地(di)(di)控(kong)制電(dian)(dian)路方程(cheng),馬(ma)上計算轉子(zi)布線頭電(dian)(dian)阻器(qi)和保護接地(di)(di)位置。維護保養經延遲時(shi)間2秒姿態(tai)于(yu)(yu)信號

  ; 9、柴油(you)機(ji)柴油(you)發電機(ji)對稱過(guo)負(fu)荷維護保養

   維(wei)(wei)修(xiu)保(bao)養工(gong)業(ye)設備由定限(xian)期(qi)和反(fan)(fan)限(xian)期(qi)兩一部(bu)分組成,定限(xian)期(qi)一部(bu)分經限(xian)期(qi)5秒(miao)姿(zi)態于(yu)(yu)信號。反(fan)(fan)限(xian)期(qi)姿(zi)態特性按柴(chai)(chai)油機(ji)柴(chai)(chai)油發(fa)電(dian)(dian)機(ji)擔負過負荷電(dian)(dian)總流量的專業(ye)能(neng)力(li)創建,姿(zi)態于(yu)(yu)解列。維(wei)(wei)修(xiu)保(bao)養工(gong)業(ye)設備能(neng)體現柴(chai)(chai)油發(fa)電(dian)(dian)機(ji)組電(dian)(dian)機(ji)轉子(zi)的熱積累所有整(zheng)個過程。

   10、柴油(you)機(ji)柴油(you)發電(dian)機(ji)負(fu)序過負(fu)荷維護保(bao)養

   維(wei)修保養工(gong)業(ye)設備由(you)定限期(qi)(qi)和(he)(he)反(fan)限期(qi)(qi)兩一(yi)部分組成(cheng),定限期(qi)(qi)姿態(tai)電(dian)總流(liu)(liu)量按避開(kai)柴油(you)(you)(you)機(ji)(ji)柴油(you)(you)(you)發電(dian)機(ji)(ji)長久性允許的負(fu)(fu)(fu)序(xu)電(dian)流(liu)(liu)值和(he)(he)避開(kai)十分大(da)負(fu)(fu)(fu)荷下負(fu)(fu)(fu)序(xu)電(dian)流(liu)(liu)濾過器(qi)不(bu)平衡的電(dian)流(liu)(liu)量整恒定值,經限期(qi)(qi)3秒姿態(tai)于信號。反(fan)限期(qi)(qi)姿態(tai)特性按柴油(you)(you)(you)機(ji)(ji)柴油(you)(you)(you)發電(dian)機(ji)(ji)擔(dan)負(fu)(fu)(fu)負(fu)(fu)(fu)序(xu)電(dian)流(liu)(liu)的專業(ye)能力創建,姿態(tai)于解(jie)列滅磁。維(wei)修保養工(gong)業(ye)設備能體現柴油(you)(you)(you)機(ji)(ji)柴油(you)(you)(you)發電(dian)機(ji)(ji)轉子的熱積累所有整個過程。

  ; 11、柴(chai)(chai)油機柴(chai)(chai)油發電機過(guo)電壓維(wei)護保養

   在(zai)柴油(you)(you)機(ji)(ji)(ji)(ji)柴油(you)(you)發電(dian)機(ji)(ji)(ji)(ji)并(bing)(bing)(bing)網前,如機(ji)(ji)(ji)(ji)交流電(dian)路(lu)保證1.3倍額定電(dian)壓時(shi),柴油(you)(you)機(ji)(ji)(ji)(ji)柴油(you)(you)發電(dian)機(ji)(ji)(ji)(ji)過(guo)電(dian)壓經延遲時(shi)間0.5秒姿態于解列滅磁。當柴油(you)(you)機(ji)(ji)(ji)(ji)柴油(you)(you)發電(dian)機(ji)(ji)(ji)(ji)并(bing)(bing)(bing)網后,自動式退出(chu)此維護保養。柴油(you)(you)機(ji)(ji)(ji)(ji)柴油(you)(you)發電(dian)機(ji)(ji)(ji)(ji)-變(bian)壓器(qi)組是(shi)否并(bing)(bing)(bing)網依據主變(bian)220KV側電(dian)源總開關輔助點接觸(chu)狀況進行鑒別。

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