電力直流屏電池和充電系統的選擇
2019/6/10 14:32:13??????點擊:
電(dian)(dian)(dian)力(li)直(zhi)流屏是(shi)(shi)高(gao)壓配(pei)(pei)電(dian)(dian)(dian)設(she)備(bei),是(shi)(shi)整個配(pei)(pei)電(dian)(dian)(dian)室的(de)(de)(de)(de)直(zhi)流電(dian)(dian)(dian)源(yuan)系統(tong)(tong),有時候也可(ke)以根據情況配(pei)(pei)合(he)交(jiao)流屏使用(yong)(yong),組成交(jiao)直(zhi)流供電(dian)(dian)(dian)系統(tong)(tong)。直(zhi)流屏主要(yao)應用(yong)(yong)于大型水力(li)、火力(li)發電(dian)(dian)(dian)廠,各類變電(dian)(dian)(dian)站和其(qi)它使用(yong)(yong)直(zhi)流設(she)備(bei)的(de)(de)(de)(de)用(yong)(yong)戶,給信號設(she)備(bei)、保護、自動裝置、事(shi)故(gu)照明(ming)(ming)、應急電(dian)(dian)(dian)源(yuan)及斷(duan)路器分(fen)、合(he)閘(zha)操作提供直(zhi)流電(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)電(dian)(dian)(dian)源(yuan)設(she)備(bei)。直(zhi)流系統(tong)(tong)是(shi)(shi)一個獨立的(de)(de)(de)(de)電(dian)(dian)(dian)源(yuan),不受(shou)發電(dian)(dian)(dian)機、廠用(yong)(yong)電(dian)(dian)(dian)及系統(tong)(tong)運行(xing)方(fang)式(shi)的(de)(de)(de)(de)影響。在(zai)外部(bu)交(jiao)流電(dian)(dian)(dian)源(yuan)中斷(duan)情況下,蓄(xu)電(dian)(dian)(dian)池提供直(zhi)流電(dian)(dian)(dian)源(yuan),把儲蓄(xu)在(zai)電(dian)(dian)(dian)池內的(de)(de)(de)(de)多(duo)余電(dian)(dian)(dian)量用(yong)(yong)來給高(gao)壓柜合(he)閘(zha)分(fen)閘(zha)、保護設(she)備(bei)、應急照明(ming)(ming)系統(tong)(tong)等供電(dian)(dian)(dian)。直(zhi)流屏的(de)(de)(de)(de)可(ke)靠性(xing)和安全性(xing)直(zhi)接影響到(dao)電(dian)(dian)(dian)力(li)系統(tong)(tong)供電(dian)(dian)(dian)的(de)(de)(de)(de)可(ke)靠性(xing)和安全性(xing)。因此,在(zai)直(zhi)流屏的(de)(de)(de)(de)選擇上因從(cong)以下幾個方(fang)面著手(shou):
(1)蓄電(dian)池的選擇(ze)
不間(jian)斷供電(dian)設備,直流蓄電(dian)池(chi)是核心部件。初期(qi)的直流電(dian)源(yuan)系統大多使用普通鉛(qian)(qian)酸電(dian)池(chi),其過載能力低,容易產生(sheng)酸腐蝕(shi)等問題。逐漸(jian)隨著人們對堿(jian)性鎘鎳電(dian)池(chi)的認識,以(yi)及(ji)和原(yuan)鉛(qian)(qian)酸電(dian)池(chi)做比較,總結得出堿(jian)性鎘鎳電(dian)池(chi)有以(yi)下優點:
1、良好(hao)的機(ji)械強度,體積較(jiao)小,能承受強大的沖擊和振(zhen)動,不易(yi)損(sun)壞(huai)。
2、壓降小,自放(fang)電引起(qi)的能量損失小。
3、過(guo)放(fang)電(dian)能力強(qiang),不會(hui)因為過(guo)充(chong)引(yin)起內部短路
4、放電電壓(ya)平穩,壽命長,若合理(li)使用,可(ke)高達3000多個(ge)使用周期(qi)。
5、根據(ju)以上堿性鎘(ge)鎳電池的優勢,直流系統(tong)負載較重、過載可(ke)能(neng)大(如作為電磁(ci)操作機(ji)構的操作電源)、安(an)裝(zhuang)地點環境(jing)良好、環境(jing)溫度不高且具備較強維(wei)護(hu)力量的情況(kuang)下,就可(ke)選用堿性鎘(ge)鑷電池。反之,可(ke)選用免維(wei)護(hu)的鉛酸電池。
(2)充電系統的(de)選擇
充(chong)(chong)電(dian)(dian)設(she)備(bei)方(fang)面,目(mu)前(qian)(qian)使用(yong)較(jiao)多的(de)(de)(de)(de)是可(ke)控(kong)(kong)(kong)硅相控(kong)(kong)(kong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)充(chong)(chong)電(dian)(dian)系(xi)統(tong),對(dui)(dui)電(dian)(dian)池的(de)(de)(de)(de)充(chong)(chong)電(dian)(dian)分為(wei)主充(chong)(chong)與(yu)浮充(chong)(chong)兩個階(jie)段,充(chong)(chong)電(dian)(dian)電(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)分大電(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)強充(chong)(chong)和涓(juan)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)兩種方(fang)式(shi)。而控(kong)(kong)(kong)制方(fang)式(shi)常見的(de)(de)(de)(de)有(you)熱傳(chuan)感器(qi)法、定時(shi)法、負序電(dian)(dian)壓斜率(lv)法、伏安法等(deng)。近年(nian)來(lai)眾多生產(chan)廠家對(dui)(dui)此(ci)類(lei)(lei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統(tong),主要(yao)在(zai)(zai)其(qi)控(kong)(kong)(kong)制技術(shu)上不(bu)斷改進,如(ru)集成(cheng)(cheng)電(dian)(dian)路技術(shu)、PLC技術(shu)、微(wei)機監控(kong)(kong)(kong)、"三遙"通訊等(deng)技術(shu)不(bu)斷融合其(qi)中,使相控(kong)(kong)(kong)充(chong)(chong)電(dian)(dian)設(she)備(bei)系(xi)統(tong)的(de)(de)(de)(de)可(ke)靠性(xing)(xing)不(bu)斷完善,因(yin)而目(mu)前(qian)(qian)此(ci)類(lei)(lei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)屏系(xi)統(tong),其(qi)產(chan)品的(de)(de)(de)(de)可(ke)靠性(xing)(xing)與(yu)實用(yong)性(xing)(xing)基本能(neng)令人滿意。但(dan)相控(kong)(kong)(kong)充(chong)(chong)電(dian)(dian)機仍(reng)存(cun)在(zai)(zai)輸出電(dian)(dian)壓諧波(bo)大、電(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)紋波(bo)大,穩(wen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)精度較(jiao)難提高(gao)(gao)(gao)的(de)(de)(de)(de)不(bu)足(zu)。同時(shi)由于其(qi)一(yi)般最多采(cai)用(yong)主從備(bei)份(fen)的(de)(de)(de)(de)方(fang)式(shi),在(zai)(zai)某(mou)些場(chang)合,系(xi)統(tong)可(ke)靠性(xing)(xing)仍(reng)令人感到美中不(bu)足(zu)。所以(yi),國外在(zai)(zai)一(yi)些對(dui)(dui)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)要(yao)求(qiu)較(jiao)高(gao)(gao)(gao)的(de)(de)(de)(de)場(chang)合逐步采(cai)用(yong)一(yi)種較(jiao)為(wei)新型的(de)(de)(de)(de)高(gao)(gao)(gao)頻(pin)開關(guan)電(dian)(dian)源(yuan),整(zheng)體結構采(cai)用(yong)模(mo)塊組(zu)合方(fang)式(shi),其(qi)模(mo)塊原理圖如(ru)下,即先將(jiang)三相交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)為(wei)相控(kong)(kong)(kong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu),再(zai)變(bian)換為(wei)高(gao)(gao)(gao)頻(pin)交流(liu)(liu)(liu)(liu)(liu)(liu)(liu),高(gao)(gao)(gao)頻(pin)交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)再(zai)經變(bian)壓器(qi)隔離、全橋(qiao)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)、濾波(bo)轉(zhuan)換為(wei)穩(wen)定的(de)(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)輸出。此(ci)種直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)的(de)(de)(de)(de)最大特點是穩(wen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)精度高(gao)(gao)(gao),紋波(bo)較(jiao)小,諧波(bo)失真小,是一(yi)種高(gao)(gao)(gao)質量的(de)(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)。在(zai)(zai)組(zu)成(cheng)(cheng)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統(tong)時(shi),可(ke)采(cai)用(yong)N個單(dan)元(yuan)模(mo)塊組(zu)合的(de)(de)(de)(de)方(fang)式(shi)提供(gong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)輸出,因(yin)而備(bei)份(fen)程度高(gao)(gao)(gao),直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統(tong)整(zheng)體可(ke)靠性(xing)(xing)較(jiao)高(gao)(gao)(gao)。此(ci)類(lei)(lei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)目(mu)前(qian)(qian)國內(nei)已有(you)廠家生產(chan),但(dan)在(zai)(zai)整(zheng)體外觀等(deng)方(fang)面略遜于傳(chuan)統(tong)相控(kong)(kong)(kong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)屏,企業(ye)在(zai)(zai)選擇直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)時(shi)可(ke)進行比較(jiao)取舍(she)。
(3)直流屏系統維護
鎘鎳電池在使用中(zhong)應主要注意以下問題:
1)定期對電池(chi)組進行大功率的充、放電,以激(ji)活(huo)電池(chi)內部(bu)的化學物(wu)質,降(jiang)低電池(chi)惰性,恢復電池(chi)容量。
2)經常檢(jian)查(cha)電池液(ye)位,在電池滿容量時對過高(gao)、過低的電池液(ye)位及時進行調整。
3)定期檢查電(dian)(dian)池溶液濃(nong)度(du),發(fa)現比重變(bian)化時(shi)予(yu)以(yi)補堿液或加水,必要(yao)時(shi)重新配(pei)制電(dian)(dian)解液。
4)定期(qi)逐(zhu)個檢(jian)查電池(chi)端電壓(ya),對個別電壓(ya)下降較大的電池(chi),單獨進(jin)行"活化(hua)"處(chu)理(li)。
5)注意電(dian)池環境(jing)溫度(du),最(zui)好使(shi)電(dian)池在40℃以下溫度(du)運行,以免加劇電(dian)池的自放電(dian),引起電(dian)池容量下降。
6)保持電池清(qing)潔(jie)及環境干爽,以免發生(sheng)電池爬堿,導致電池容(rong)量(liang)下降和引起直(zhi)流系統絕緣降低。平時(shi)及檢修時(shi)對電池外溢的堿液應及時(shi)用干布擦(ca)凈(jing),切不
可用水沖洗(xi)電池外部(bu)。
與鎘鎳電(dian)(dian)池(chi)(chi)相(xiang)比,免維(wei)護鉛酸電(dian)(dian)池(chi)(chi)的(de)維(wei)護運行中維(wei)護工作量較小,平時(shi)(shi)只需注(zhu)意檢查(cha)電(dian)(dian)池(chi)(chi)各連接(jie)完(wan)(wan)好,保持連接(jie)無(wu)銹(xiu)蝕、腐(fu)蝕;觀察電(dian)(dian)池(chi)(chi)是(shi)否出現漲肚、變形(xing);密封閥是(shi)否完(wan)(wan)好;電(dian)(dian)極(ji)柱有無(wu)熔融跡(ji)象(xiang);以及(ji)保持電(dian)(dian)池(chi)(chi)清潔干燥等等。同時(shi)(shi)定期檢查(cha)電(dian)(dian)池(chi)(chi)單(dan)體端電(dian)(dian)壓,及(ji)時(shi)(shi)發現處(chu)理(li)失效電(dian)(dian)池(chi)(chi)。
(1)蓄電(dian)池的選擇(ze)
不間(jian)斷供電(dian)設備,直流蓄電(dian)池(chi)是核心部件。初期(qi)的直流電(dian)源(yuan)系統大多使用普通鉛(qian)(qian)酸電(dian)池(chi),其過載能力低,容易產生(sheng)酸腐蝕(shi)等問題。逐漸(jian)隨著人們對堿(jian)性鎘鎳電(dian)池(chi)的認識,以(yi)及(ji)和原(yuan)鉛(qian)(qian)酸電(dian)池(chi)做比較,總結得出堿(jian)性鎘鎳電(dian)池(chi)有以(yi)下優點:
1、良好(hao)的機(ji)械強度,體積較(jiao)小,能承受強大的沖擊和振(zhen)動,不易(yi)損(sun)壞(huai)。
2、壓降小,自放(fang)電引起(qi)的能量損失小。
3、過(guo)放(fang)電(dian)能力強(qiang),不會(hui)因為過(guo)充(chong)引(yin)起內部短路
4、放電電壓(ya)平穩,壽命長,若合理(li)使用,可(ke)高達3000多個(ge)使用周期(qi)。
5、根據(ju)以上堿性鎘(ge)鎳電池的優勢,直流系統(tong)負載較重、過載可(ke)能(neng)大(如作為電磁(ci)操作機(ji)構的操作電源)、安(an)裝(zhuang)地點環境(jing)良好、環境(jing)溫度不高且具備較強維(wei)護(hu)力量的情況(kuang)下,就可(ke)選用堿性鎘(ge)鑷電池。反之,可(ke)選用免維(wei)護(hu)的鉛酸電池。
(2)充電系統的(de)選擇
充(chong)(chong)電(dian)(dian)設(she)備(bei)方(fang)面,目(mu)前(qian)(qian)使用(yong)較(jiao)多的(de)(de)(de)(de)是可(ke)控(kong)(kong)(kong)硅相控(kong)(kong)(kong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)充(chong)(chong)電(dian)(dian)系(xi)統(tong),對(dui)(dui)電(dian)(dian)池的(de)(de)(de)(de)充(chong)(chong)電(dian)(dian)分為(wei)主充(chong)(chong)與(yu)浮充(chong)(chong)兩個階(jie)段,充(chong)(chong)電(dian)(dian)電(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)分大電(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)強充(chong)(chong)和涓(juan)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)兩種方(fang)式(shi)。而控(kong)(kong)(kong)制方(fang)式(shi)常見的(de)(de)(de)(de)有(you)熱傳(chuan)感器(qi)法、定時(shi)法、負序電(dian)(dian)壓斜率(lv)法、伏安法等(deng)。近年(nian)來(lai)眾多生產(chan)廠家對(dui)(dui)此(ci)類(lei)(lei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統(tong),主要(yao)在(zai)(zai)其(qi)控(kong)(kong)(kong)制技術(shu)上不(bu)斷改進,如(ru)集成(cheng)(cheng)電(dian)(dian)路技術(shu)、PLC技術(shu)、微(wei)機監控(kong)(kong)(kong)、"三遙"通訊等(deng)技術(shu)不(bu)斷融合其(qi)中,使相控(kong)(kong)(kong)充(chong)(chong)電(dian)(dian)設(she)備(bei)系(xi)統(tong)的(de)(de)(de)(de)可(ke)靠性(xing)(xing)不(bu)斷完善,因(yin)而目(mu)前(qian)(qian)此(ci)類(lei)(lei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)屏系(xi)統(tong),其(qi)產(chan)品的(de)(de)(de)(de)可(ke)靠性(xing)(xing)與(yu)實用(yong)性(xing)(xing)基本能(neng)令人滿意。但(dan)相控(kong)(kong)(kong)充(chong)(chong)電(dian)(dian)機仍(reng)存(cun)在(zai)(zai)輸出電(dian)(dian)壓諧波(bo)大、電(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)紋波(bo)大,穩(wen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)精度較(jiao)難提高(gao)(gao)(gao)的(de)(de)(de)(de)不(bu)足(zu)。同時(shi)由于其(qi)一(yi)般最多采(cai)用(yong)主從備(bei)份(fen)的(de)(de)(de)(de)方(fang)式(shi),在(zai)(zai)某(mou)些場(chang)合,系(xi)統(tong)可(ke)靠性(xing)(xing)仍(reng)令人感到美中不(bu)足(zu)。所以(yi),國外在(zai)(zai)一(yi)些對(dui)(dui)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)要(yao)求(qiu)較(jiao)高(gao)(gao)(gao)的(de)(de)(de)(de)場(chang)合逐步采(cai)用(yong)一(yi)種較(jiao)為(wei)新型的(de)(de)(de)(de)高(gao)(gao)(gao)頻(pin)開關(guan)電(dian)(dian)源(yuan),整(zheng)體結構采(cai)用(yong)模(mo)塊組(zu)合方(fang)式(shi),其(qi)模(mo)塊原理圖如(ru)下,即先將(jiang)三相交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)為(wei)相控(kong)(kong)(kong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu),再(zai)變(bian)換為(wei)高(gao)(gao)(gao)頻(pin)交流(liu)(liu)(liu)(liu)(liu)(liu)(liu),高(gao)(gao)(gao)頻(pin)交流(liu)(liu)(liu)(liu)(liu)(liu)(liu)再(zai)經變(bian)壓器(qi)隔離、全橋(qiao)整(zheng)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)、濾波(bo)轉(zhuan)換為(wei)穩(wen)定的(de)(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)輸出。此(ci)種直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)的(de)(de)(de)(de)最大特點是穩(wen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)精度高(gao)(gao)(gao),紋波(bo)較(jiao)小,諧波(bo)失真小,是一(yi)種高(gao)(gao)(gao)質量的(de)(de)(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)。在(zai)(zai)組(zu)成(cheng)(cheng)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統(tong)時(shi),可(ke)采(cai)用(yong)N個單(dan)元(yuan)模(mo)塊組(zu)合的(de)(de)(de)(de)方(fang)式(shi)提供(gong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)輸出,因(yin)而備(bei)份(fen)程度高(gao)(gao)(gao),直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統(tong)整(zheng)體可(ke)靠性(xing)(xing)較(jiao)高(gao)(gao)(gao)。此(ci)類(lei)(lei)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)目(mu)前(qian)(qian)國內(nei)已有(you)廠家生產(chan),但(dan)在(zai)(zai)整(zheng)體外觀等(deng)方(fang)面略遜于傳(chuan)統(tong)相控(kong)(kong)(kong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)屏,企業(ye)在(zai)(zai)選擇直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)源(yuan)時(shi)可(ke)進行比較(jiao)取舍(she)。
(3)直流屏系統維護
鎘鎳電池在使用中(zhong)應主要注意以下問題:
1)定期對電池(chi)組進行大功率的充、放電,以激(ji)活(huo)電池(chi)內部(bu)的化學物(wu)質,降(jiang)低電池(chi)惰性,恢復電池(chi)容量。
2)經常檢(jian)查(cha)電池液(ye)位,在電池滿容量時對過高(gao)、過低的電池液(ye)位及時進行調整。
3)定期檢查電(dian)(dian)池溶液濃(nong)度(du),發(fa)現比重變(bian)化時(shi)予(yu)以(yi)補堿液或加水,必要(yao)時(shi)重新配(pei)制電(dian)(dian)解液。
4)定期(qi)逐(zhu)個檢(jian)查電池(chi)端電壓(ya),對個別電壓(ya)下降較大的電池(chi),單獨進(jin)行"活化(hua)"處(chu)理(li)。
5)注意電(dian)池環境(jing)溫度(du),最(zui)好使(shi)電(dian)池在40℃以下溫度(du)運行,以免加劇電(dian)池的自放電(dian),引起電(dian)池容量下降。
6)保持電池清(qing)潔(jie)及環境干爽,以免發生(sheng)電池爬堿,導致電池容(rong)量(liang)下降和引起直(zhi)流系統絕緣降低。平時(shi)及檢修時(shi)對電池外溢的堿液應及時(shi)用干布擦(ca)凈(jing),切不
可用水沖洗(xi)電池外部(bu)。
與鎘鎳電(dian)(dian)池(chi)(chi)相(xiang)比,免維(wei)護鉛酸電(dian)(dian)池(chi)(chi)的(de)維(wei)護運行中維(wei)護工作量較小,平時(shi)(shi)只需注(zhu)意檢查(cha)電(dian)(dian)池(chi)(chi)各連接(jie)完(wan)(wan)好,保持連接(jie)無(wu)銹(xiu)蝕、腐(fu)蝕;觀察電(dian)(dian)池(chi)(chi)是(shi)否出現漲肚、變形(xing);密封閥是(shi)否完(wan)(wan)好;電(dian)(dian)極(ji)柱有無(wu)熔融跡(ji)象(xiang);以及(ji)保持電(dian)(dian)池(chi)(chi)清潔干燥等等。同時(shi)(shi)定期檢查(cha)電(dian)(dian)池(chi)(chi)單(dan)體端電(dian)(dian)壓,及(ji)時(shi)(shi)發現處(chu)理(li)失效電(dian)(dian)池(chi)(chi)。
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