通(tong)信(xin)用(yong)閥(fa)控(kong)式(shi)密(mi)封(feng)鉛(qian)蓄(xu)電(dian)池(chi)通(tong)常(chang)以(yi)浮(fu)充(chong)運(yun)行(hang)方(fang)式(shi)運(yun)行(hang),平(ping)時(shi)靠(kao)浮(fu)充(chong)電(dian)壓(ya)來(lai)保(bao)持(chi)其(qi)充(chong)電(dian)狀(zhuang)態(tai),但(dan)長(zhang)時(shi)間(jian)的(di)浮(fu)充(chong)狀(zhuang)態(tai)不(bu)利(li)於(yu)對(dui)電(dian)池(chi)性(xing)能(neng)的(di)了(liao)解(xie)。在(zai)蓄(xu)電(dian)池(chi)的(di)日(ri)常(chang)維(wei)護(hu)與(yu)保(bao)養(yang)工(gong)作(zuo)中(zhong),為(wei)了(liao)估(gu)算(suan)電(dian)池(chi)在(zai)市(shi)電(dian)停(ting)電(dian)期(qi)間(jian)能(neng)持(chi)續(xu)放(fang)電(dian)的(di)時(shi)間(jian),或(huo)了(liao)解(xie)電(dian)池(chi)在(zai)長(zhang)期(qi)浮(fu)充(chong)運(yun)行(hang)後(hou)的(di)性(xing)能(neng),需(xu)要(yao)對(dui)電(dian)池(chi)的(di)容(rong)量(liang)進(jin)行(hang)測(ce)試(shi)。
( 1 )核(he)對(dui)性(xing)放(fang)電(dian)和(hu)容(rong)量(liang)測(ce)試(shi)在(zai)閥(fa)控(kong)式(shi)密(mi)封(feng)鉛(qian)蓄(xu)電(dian)池(chi)的(di)維(wei)護(hu)工(gong)作(zuo)中(zhong),要(yao)定(ding)期(qi)對(dui)其(qi)進(jin)行(hang)兩(liang)種(zhong)放(fang)電(dian)測(ce)試(shi): -是(shi)核(he)對(dui)性(xing)放(fang)電(dian)試(shi)驗(yan),每(mei)年(nian)一(yi)次(ci),放(fang)電(dian)量(liang)為(wei)30 % C10~40%C10;二(er)是(shi)容(rong)量(liang)測(ce)試(shi),每(mei)3年(nian)一(yi)次(ci) ( 6年(nian)後(hou)每(mei)年(nian)一(yi)次(ci)) , 放(fang)電(dian)量(liang)為(wei)80% C100核(he)對(dui)性(xing)放(fang)電(dian)和(hu)容(rong)量(liang)測(ce)試(shi)的(di)意(yi)義(yi)在(zai)於(yu):①可(ke)對(dui)蓄(xu)電(dian)池(chi)的(di)容(rong)量(liang)進(jin)行(hang)檢(jian)測(ce),評(ping)估(gu)蓄(xu)電(dian)池(chi)的(di)容(rong)量(liang),即(ji)可(ke)用(yong)電(dian)池(chi)的(di)剩(sheng)餘(yu)容(rong)量(liang)作(zuo)為(wei)鉛(qian)蓄(xu)電(dian)池(chi)使(shi)用(yong)壽(shou)命(ming)是(shi)否(pi)終(zhong)結(jie)的(di)判(pan)據(ju);②可(ke)以(yi)消(xiao)除(chu)電(dian)池(chi)的(di)硫(liu)化(hua)。若(ruo)經(jing)過(guo)3次(ci)測(ce)試(shi),蓄(xu)電(dian)池(chi)組(zu)的(di)容(rong)量(liang)均(jun)達(da)不(bu)到(dao)額(e)定(ding)容(rong)量(liang)的(di)80%以(yi)上(shang)，可(ke)認(ren)為(wei)此(ci)組(zu)蓄(xu)電(dian)池(chi)的(di)壽(shou)命(ming)已(yi)終(zhong)止(zhi),應(ying)予(yu)以(yi)更(geng)換(huan)。
容(rong)量(liang)測(ce)試(shi)分(fen)為(wei)離(li)線(xian)測(ce)試(shi)和(hu)在(zai)線(xian)測(ce)試(shi)兩(liang)種(zhong),前(qian)者(zhe)為(wei)蓄(xu)電(dian)池(chi)脫(tuo)離(li)實(shi)際(ji)通(tong)信(xin)負(fu)載(zai)進(jin)行(hang)的(di)容(rong)量(liang)測(ce)試(shi),後(hou)者(zhe)為(wei)蓄(xu)電(dian)池(chi)在(zai)實(shi)際(ji)運(yun)行(hang)中(zhong)進(jin)行(hang)的(di)容(rong)量(liang)測(ce)試(shi)。
閥(fa)控(kong)式(shi)密(mi)封(feng)鉛(qian)蓄(xu)電(dian)池(chi)放(fang)電(dian)前(qian)應(ying)做(zuo)好(hao)以(yi)下(xia)幾(ji)個(ge)方(fang)麵(mian)的(di)準(zhun)備(bei)工(gong)作(zuo):
①檢(jian)查(cha)電(dian)池(chi)組(zu)的(di)各(ge)連(lian)接(jie)點(dian)是(shi)否(pi)擰(ning)緊(jin);
②準(zhun)備(bei)好(hao)原(yuan)始(shi)記(ji)錄(lu)和(hu)前(qian)一(yi)次(ci)放(fang)電(dian)記(ji)錄(lu),以(yi)備(bei)用(yong)作(zuo)與(yu)本(ben)次(ci)放(fang)電(dian)記(ji)錄(lu)進(jin)行(hang)比(bi)較(jiao);
③對(dui)將(qiang)作(zuo)放(fang)電(dian)測(ce)試(shi)的(di)電(dian)池(chi)組(zu)充(chong)足(ju)電(dian),以(yi)便(pian)測(ce)試(shi)出(chu)真(zhen)實(shi)容(rong)量(liang);
④對(dui)另(ling)一(yi)組(zu)電(dian)池(chi)也(ye)充(chong)足(ju)電(dian),使(shi)供(gong)電(dian)係(ji)統(tong)在(zai)放(fang)電(dian)測(ce)試(shi)期(qi)間(jian)能(neng)供(gong)電(dian)不(bu)間(jian)斷(duan)。
①離(li)線(xian)測(ce)試(shi)當(dang)負(fu)載(zai)較(jiao)小(xiao)時(shi) ,須(xu)用(yong)假(jia)負(fu)載(zai)作(zuo)離(li)線(xian)放(fang)電(dian)測(ce)試(shi),假(jia)負(fu)載(zai)為(wei)可(ke)變(bian)電(dian)阻(zu)器(qi)。測(ce)試(shi)步(bu)驟(zhou)如(ru)下(xia):
●將(qiang)電(dian)池(chi)組(zu)脫(tuo)離(li)供(gong)電(dian)係(ji)統(tong),並(bing)將(qiang)假(jia)負(fu)載(zai)並(bing)聯(lian)到(dao)蓄(xu)電(dian)池(chi)組(zu)的(di)兩(liang)端(duan);
●用(yong)10小(xiao)時(shi)率(shuai)電(dian)流(liu)對(dui)負(fu)載(zai)放(fang)電(dian),定(ding)時(shi)測(ce)量(liang)每(mei)個(ge)電(dian)池(chi)的(di)電(dian)壓(ya);
●核(he)對(dui)性(xing)放(fang)電(dian)的(di)放(fang)電(dian)量(liang)控(kong)製(zhi)在(zai)30% C10~ 40% C10 ,容(rong)量(liang)測(ce)試(shi)的(di)放(fang)電(dian)量(liang)控(kong)製(zhi)在(zai)80% C10 ;
●由(you)於(yu)電(dian)池(chi)組(zu)中(zhong)可(ke)能(neng)存(cun)在(zai)落(la)後(hou)電(dian)池(chi),所(suo)以(yi)在(zai)放(fang)電(dian)過(guo)程(cheng)中(zhong)要(yao)認(ren)真(zhen)監(jian)測(ce)電(dian)池(chi)的(di)電(dian)壓(ya),特(te)別(bie)要(yao)注(zhu)意(yi)電(dian)壓(ya)下(xia)降(xiang)過(guo)快(kuai)的(di)電(dian)池(chi),當(dang)電(dian)池(chi)組(zu)中(zhong)有(you)一(yi)隻(zhi)電(dian)池(chi)的(di)電(dian)壓(ya)降(xiang)到(dao)終(zhong)止(zhi)電(dian)壓(ya)1 8V/隻(zhi)時(shi),應(ying)立(li)即(ji)停(ting)止(zhi)放(fang)電(dian),並(bing)找(zhao)出(chu)落(la)後(hou)電(dian)池(chi);
●根(gen)據(ju)放(fang)電(dian)電(dian)流(liu)和(hu)放(fang)電(dian)時(shi)間(jian)計(ji)算(suan)出(chu)電(dian)池(chi)組(zu)的(di)容(rong)量(liang),並(bing)換(huan)算(suan)成(cheng)25°C時(shi)的(di)容(rong)量(liang);
●電(dian)池(chi)組(zu)需(xu)脫(tuo)離(li)係(ji)統(tong),如(ru)果(guo)通(tong)信(xin)局(ju)(站(zhan))隻(zhi)有(you)一(yi)組(zu)蓄(xu)電(dian)池(chi)，當(dang)市(shi)電(dian)突(tu)然(ran)停(ting)電(dian)，則(ze)可(ke)能(neng)造(zao)成(cheng)係(ji)統(tong)癱(tan)瘓(huan),容(rong)易(yi)因(yin)工(gong)作(zuo)失(shi)誤(wu)造(zao)成(cheng)過(guo)度(duo)放(fang)電(dian);工(gong)作(zuo)量(liang)過(guo)大(dai),難(nan)以(yi)進(jin)行(hang)測(ce)試(shi); 需(xu)用(yong)離(li)線(xian)整(zheng)流(liu)器(qi)均(jun)充(chong)二(er)十(shi)幾(ji)小(xiao)時(shi),易(yi)造(zao)成(cheng)某(mou)幾(ji)個(ge)電(dian)池(chi)過(guo)充(chong);嚅(ru)消(xiao)耗(hao)大(dai)量(liang)電(dian)能(neng),並(bing)產(chan)生(sheng)大(dai)量(liang)熱(re)量(liang)。
②在(zai)線(xian)測(ce)試(shi)當(dang)負(fu)載(zai)較(jiao) 大(dai)時(shi),閥(fa)控(kong)式(shi)密(mi)封(feng)鉛(qian)蓄(xu)電(dian)池(chi)可(ke)以(yi)采(cai)用(yong)在(zai)線(xian)測(ce)試(shi)法(fa)進(jin)行(hang)放(fang)電(dian)測(ce)試(shi)。在(zai)線(xian)測(ce)試(shi)不(bu)必(bi)將(qiang)蓄(xu)電(dian)池(chi)組(zu)脫(tuo)離(li)係(ji)統(tong),隻(zhi)需(xu)將(qiang)整(zheng)流(liu)設(she)備(bei)(高(gao)頻(pin)開(kai)關(guan)電(dian)源(yuan))關(guan)閉(bi),讓(rang)蓄(xu)電(dian)池(chi)組(zu)直(zhi)接(jie)對(dui)係(ji)統(tong)放(fang)電(dian)即(ji)可(ke)。其(qi)餘(yu)步(bu)驟(zhou)與(yu)離(li)線(xian)測(ce)試(shi)基(ji)本(ben)相(xiang)同(tong),隻(zhi)是(shi)放(fang)電(dian)電(dian)流(liu)不(bu)一(yi)定(ding)是(shi)10小(xiao)時(shi)率(shuai)的(di)電(dian)流(liu),而(er)是(shi)由(you)負(fu)載(zai)大(dai)小(xiao)來(lai)決(jue)定(ding)的(di)。放(fang)電(dian)終(zhong)止(zhi)電(dian)壓(ya)的(di)大(dai)小(xiao)應(ying)根(gen)據(ju)負(fu)載(zai)電(dian)流(liu)的(di)範(fan)圍(wei)來(lai)確(que)定(ding),同(tong)樣(yang)當(dang)蓄(xu)電(dian)池(chi)組(zu)中(zhong)有(you)一(yi)-隻(zhi)電(dian)池(chi)的(di)電(dian)壓(ya)降(xiang)到(dao)終(zhong)止(zhi)電(dian)壓(ya)時(shi),就(jiu)應(ying)停(ting)止(zhi)放(fang)電(dian)。
與(yu)離(li)線(xian)測(ce)試(shi)相(xiang)比(bi)，在(zai)線(xian)測(ce)試(shi)具(ju)有(you)勞(lao)動(dong)強(jiang)度(duo)較(jiao)小(xiao)、操(cao)作(zuo)簡(jian)單(shan)、節(jie)省(xing)電(dian)能(neng)等(deng)優(you)點(dian)。但(dan)同(tong)樣(yang)存(cun)在(zai)如(ru)下(xia)問(wen)題(ti):需(xu)人(ren)工(gong)進(jin)行(hang)電(dian)壓(ya)的(di)測(ce)量(liang),兩(liang)次(ci)測(ce)量(liang)的(di)間(jian)隔(ge)期(qi)存(cun)在(zai)某(mou)些(xie)單(shan)體(ti)電(dian)池(chi)過(guo)度(duo)放(fang)電(dian)的(di)可(ke)能(neng)性(xing)(可(ke)裝(zhuang)上(shang)監(jian)控(kong)係(ji)統(tong)解(xie)決(jue)這(zhe)個(ge)問(wen)題(ti)) ;
●如(ru)果(guo)在(zai)放(fang)電(dian)期(qi)間(jian)發(fa)生(sheng)停(ting)電(dian),則(ze)有(you)可(ke)能(neng)使(shi)係(ji)統(tong)癱(tan)瘓(huan),所(suo)以(yi)為(wei)了(liao)係(ji)統(tong)的(di)安(an)全(quan),經(jing)常(chang)隻(zhi)放(fang)電(dian)20%左(zuo)右(you),而(er)失(shi)效(xiao)電(dian)池(chi)在(zai)放(fang)電(dian)深(shen)度(duo)20%的(di)情(qing)況(kuang)下(xia)不(bu)一(yi)定(ding)能(neng)檢(jian)測(ce)出(chu)來(lai);
●由(you)於(yu)放(fang)電(dian)電(dian)流(liu)不(bu)能(neng)恒(heng)定(ding)，測(ce)得(dei)的(di)容(rong)量(liang)不(bu)夠(gou)準(zhun)確(que)。
( 2 )在(zai)線(xian)測(ce)試(shi)落(la)後(hou)電(dian)池(chi)定(ding)期(qi)的(di)核(he)對(dui)性(xing)放(fang)電(dian)或(huo)容(rong)量(liang)測(ce)試(shi)都(du)存(cun)在(zai)對(dui)係(ji)統(tong)的(di)安(an)全(quan)威(wei)脅(xie),所(suo)以(yi)能(neng)在(zai)日(ri)常(chang)的(di)維(wei)護(hu)中(zhong)及(ji)時(shi)發(fa)現(xian)落(la)後(hou)電(dian)池(chi),並(bing)消(xiao)除(chu)其(qi)硫(liu)化(hua)和(hu)失(shi)水(shui)故(gu)障(zhang),能(neng)提(ti)高(gao)整(zheng)組(zu)電(dian)池(chi)的(di)性(xing)能(neng),從(zong)而(er)提(ti)高(gao)電(dian)源(yuan)係(ji)統(tong)對(dui)通(tong)信(xin)設(she)備(bei)的(di)安(an)全(quan)***能(neng)力(li)。
在(zai)線(xian)測(ce)試(shi)落(la)後(hou)電(dian)池(chi)是(shi)一(yi)種(zhong)新(xin)的(di)蓄(xu)電(dian)池(chi)維(wei)護(hu)技(ji)術(zhu),即(ji)用(yong)專(zhuan)用(yong)的(di)設(she)備(bei)對(dui)電(dian)池(chi)組(zu)的(di)在(zai)線(xian)放(fang)電(dian)情(qing)況(kuang)進(jin)行(hang)監(jian)測(ce),找(zhao)出(chu)落(la)後(hou)電(dian)池(chi),然(ran)後(hou)用(yong)單(shan)體(ti)電(dian)池(chi)容(rong)量(liang)測(ce)試(shi)設(she)備(bei)對(dui)落(la)後(hou)電(dian)池(chi)進(jin)行(hang)容(rong)量(liang)的(di)檢(jian)測(ce)和(hu)恢(hui)複(fu)處(chu)理(li)。具(ju)體(ti)步(bu)驟(zhou)如(ru)下(xia)。
①關(guan)斷(duan)整(zheng)流(liu)設(she)備(bei)( 開(kai)關(guan)電(dian)源(yuan)) ,利(li)用(yong)電(dian)池(chi)監(jian)測(ce)設(she)備(bei)對(dui)蓄(xu)電(dian)池(chi)組(zu)進(jin)行(hang)5 ~ 10min的(di)在(zai)線(xian)放(fang)電(dian)監(jian)測(ce),找(zhao)出(chu)落(la)後(hou)電(dian)池(chi)。
②開(kai)啟(qi)開(kai)關(guan)電(dian)源(yuan),用(yong)單(shan)體(ti)電(dian)池(chi)容(rong)量(liang)測(ce)試(shi)設(she)備(bei)(可(ke)充(chong)電(dian)和(hu)放(fang)電(dian)的(di)設(she)備(bei))對(dui)落(la)後(hou)電(dian)池(chi)作(zuo)在(zai)線(xian)容(rong)量(liang)試(shi)驗(yan)(先(xian)用(yong)10小(xiao)時(shi)率(shuai)電(dian)流(liu)放(fang)電(dian)至(zhi)1.8V ,再(zai)用(yong)20小(xiao)時(shi)率(shuai)電(dian)流(liu)充(chong)電(dian)),整(zheng)個(ge)過(guo)程(cheng) 自(zi)動(dong)完(wan)成(cheng),實(shi)驗(yan)結(jie)束(shu)時(shi),落(la)後(hou)電(dian)池(chi)恢(hui)複(fu)原(yuan)有(you)狀(zhuang)態(tai)。
③若(ruo)落(la)後(hou)電(dian)池(chi)容(rong)量(liang)仍(reng)然(ran)偏(pian)低(di),可(ke)利(li)用(yong)單(shan)體(ti)電(dian)池(chi)容(rong)量(liang)測(ce)試(shi)設(she)備(bei)對(dui)其(qi)進(jin)行(hang)在(zai)線(xian)小(xiao)電(dian)流(liu)的(di)反(fan)複(fu)充(chong)放(fang)電(dian)，恢(hui)複(fu)其(qi)容(rong)量(liang)。
④當(dang)某(mou)一(yi)電(dian)池(chi)要(yao)報(bao)廢(fei)時(shi),可(ke)利(li)用(yong)單(shan)體(ti)電(dian)池(chi)容(rong)量(liang)測(ce)試(shi)設(she)備(bei)對(dui)單(shan)-落(la)後(hou)電(dian)池(chi)進(jin)行(hang)在(zai)線(xian)容(rong)量(liang)試(shi)驗(yan),所(suo)得(dei)結(jie)果(guo)作(zuo)為(wei)報(bao)廢(fei)依(yi)據(ju),不(bu)需(xu)對(dui)整(zheng)組(zu)蓄(xu)電(dian)池(chi)放(fang)電(dian),從(zong)而(er)減(jian)少(shao)工(gong)作(zuo)量(liang)。
在(zai)線(xian)測(ce)試(shi)落(la)後(hou)電(dian)池(chi)具(ju)有(you)如(ru)下(xia)優(you)點(dian):
●電(dian)池(chi)組(zu)不(bu)需(xu)脫(tuo)離(li)係(ji)統(tong),操(cao)作(zuo)安(an)全(quan)可(ke)靠(kao),降(xiang)低(di)係(ji)統(tong)癱(tan)瘓(huan)的(di)風(feng)險(xian);
●不(bu)需(xu)要(yao)使(shi)用(yong)龐(pang)大(dai)的(di)試(shi)驗(yan)設(she)備(bei),人(ren)工(gong)調(diao)整(zheng)假(jia)負(fu)載(zai)電(dian)流(liu)以(yi)及(ji)測(ce)試(shi)記(ji)錄(lu)各(ge)項(xiang)數(shuo)據(ju)資(zi)料(liao);
●隻(zhi)對(dui)落(la)後(hou)電(dian)池(chi)作(zuo)深(shen)放(fang)電(dian),不(bu)需(xu)對(dui)整(zheng)組(zu)電(dian)池(chi)深(shen)放(fang)電(dian)(其(qi)放(fang)出(chu)的(di)電(dian)能(neng)小(xiao),大(dai)約(yao)為(wei)整(zheng)組(zu)充(chong)放(fang)電(dian)的(di)1/24 ) ,以(yi)免(wen)降(xiang)低(di)其(qi)使(shi)用(yong)壽(shou)命(ming);
●在(zai)集(ji)中(zhong)監(jian)控(kong)與(yu)維(wei)護(hu)時(shi)更(geng)顯(xian)優(you)越(yue)性(xing),並(bing)可(ke)提(ti)高(gao)維(wei)護(hu)工(gong)作(zuo)效(xiao)率(shuai),節(jie)省(xing)電(dian)能(neng)。
