如(ru)果(guo)說(shui)蓄(xu)電(dian)池(chi)是(shi)UPS的(di)“心(xin)髒(zang)”,那(nuo)麽(ma)充(chong)電(dian)、整(zheng)流(liu)、濾(lv)波(bo)、逆(ni)變(bian)等(deng)電(dian)路(lu)則(ze)是(shi)UPS的(di)“軀(qu)體(ti)”,控(kong)製(zhi)電(dian)路(lu)無(wu)疑(yi)是(shi)UPS的(di)“大(dai)腦(nao)”。為(wei)了(liao)設(she)備(bei)和(hu)UPS本(ben)身(shen)的(di)安(an)全(quan),控(kong)製(zhi)電(dian)路(lu)須(xu)對(dui)來(lai)自(zi)檢(jian)測(ce)電(dian)路(lu)的(di)信(xin)息(xi)(過(guo)流(liu)、過(guo)壓(ya)、蓄(xu)電(dian)池(chi)電(dian)壓(ya)、蓄(xu)電(dian)池(chi)極(ji)性(xing)、交(jiao)流(liu)電(dian)壓(ya)、交(jiao)流(liu)電(dian)流(liu)等(deng))進(jin)行(hang)準(zhun)確(que)、迅(xun)速(su)的(di)處(chu)理(li).雖(sui)然(ran)電(dian)路(lu)的(di)控(kong)製(zhi)係(ji)統(tong)比(bi)較(jiao)複(fu)雜(za),但(dan)正(zheng)因(yin)為(wei)有(you)了(liao)這(zhe)些(xie)複(fu)雜(za)的(di)控(kong)製(zhi)關(guan)係(ji),當(dang)UPS出(chu)現(xian)故(gu)障(zhang)時(shi)用(yong)戶(hu)才(cai)能(neng)根(gen)據(ju)故(gu)障(zhang)現(xian)象(xiang),判(pan)斷(duan)出(chu)故(gu)障(zhang)的(di)大(dai)致(zhi)範(fan)圍(wei)。一(yi)般(pan)情(qing)況(kuang)下(xia),UPS主(zhu)板(pan)常(chang)見(xian)的(di)故(gu)障(zhang)主(zhu)要(yao)有(you)不(bu)逆(ni)變(bian)、不(bu)穩(wen)壓(ya)、不(bu)充(chong)電(dian)、不(bu)能(neng)用(yong)市(shi)電(dian)、死(si)機(ji)等(deng)幾(ji)種(zhong)。在(zai)檢(jian)修(xiu)UPS時(shi),應(ying)先(xian)檢(jian)查(cha)蓄(xu)電(dian)池(chi),其(qi)次(ci)是(shi)主(zhu)板(pan)電(dian)路(lu).當(dang)確(que)定(ding)主(zhu)板(pan)電(dian)路(lu)故(gu)障(zhang)後(hou),應(ying)先(xian)查(cha)市(shi)電(dian)穩(wen)壓(ya)供(gong)電(dian)電(dian)路(lu),然(ran)後(hou)查(cha)逆(ni)變(bian)電(dian)路(lu).下(xia)麵(mian)對(dui)這(zhe)幾(ji)種(zhong)故(gu)障(zhang)的(di)維(wei)修(xiu)方(fang)法(fa)分(fen)別(bie)作(zuo)以(yi)介(jie)紹(shao)。
1.不(bu)逆(ni)變(bian)
不(bu)逆(ni)變(bian)是(shi)指(zhi)UPS用(yong)市(shi)電(dian)能(neng)正(zheng)常(chang)工(gong)作(zuo),但(dan)市(shi)電(dian)中(zhong)斷(duan)時(shi)蓄(xu)電(dian)池(chi)直(zhi)流(liu)電(dian)壓(ya)不(bu)能(neng)轉(zhuan)變(bian)為(wei)220V交(jiao)流(liu)電(dian)壓(ya)。遇(yu)到(dao)這(zhe)種(zhong)情(qing)況(kuang)時(shi),應(ying)先(xian)測(ce)量(liang)蓄(xu)電(dian)池(chi)電(dian)壓(ya),因(yin)為(wei)若(ruo)蓄(xu)電(dian)池(chi)電(dian)壓(ya)過(guo)低(di)(對(dui)於(yu)24V蓄(xu)電(dian)池(chi),一(yi)般(pan)調(diao)整(zheng)為(wei)21V),控(kong)製(zhi)電(dian)路(lu)檢(jian)測(ce)到(dao)蓄(xu)電(dian)池(chi)電(dian)壓(ya)過(guo)低(di)信(xin)號(hao)後(hou),就(jiu)會(kuai)中(zhong)斷(duan)逆(ni)變(bian)電(dian)路(lu)工(gong)作(zuo)。其(qi)次(ci)檢(jian)查(cha)輔(fu)助(zhu)電(dian)源(yuan)是(shi)否(pi)正(zheng)常(chang)以(yi)及(ji)逆(ni)變(bian)管(guan)和(hu)驅(qu)動(dong)管(guan)有(you)無(wu)損(sun)壞(huai);檢(jian)查(cha)輸(shu)出(chu)保(bao)護(hu)電(dian)路(lu)。一(yi)般(pan)情(qing)況(kuang)下(xia),通(tong)過(guo)上(shang)述(shu)步(bu)驟(zhou)即(ji)可(ke)檢(jian)查(cha)到(dao)故(gu)障(zhang)點(dian),並(bing)予(yu)以(yi)排(pai)除(chu)。
2.不(bu)穩(wen)壓(ya)
對(dui)於(yu)非(fei)在(zai)線(xian)式(shi)UPS,不(bu)穩(wen)壓(ya)分(fen)為(wei)交(jiao)流(liu)輸(shu)入(ru)時(shi)輸(shu)出(chu)不(bu)穩(wen)壓(ya)和(hu)逆(ni)變(bian)輸(shu)出(chu)不(bu)穩(wen)壓(ya)兩(liang)種(zhong)情(qing)況(kuang)。當(dang)市(shi)電(dian)輸(shu)入(ru)時(shi),輸(shu)出(chu)穩(wen)壓(ya)過(guo)程(cheng)是(shi)通(tong)過(guo)調(diao)壓(ya)電(dian)路(lu)控(kong)製(zhi)繼(ji)電(dian)器(qi)與(yu)變(bian)壓(ya)器(qi)的(di)不(bu)同(tong)抽(chou)頭(tou)進(jin)行(hang)連(lian)接(jie)來(lai)實(shi)現(xian)的(di);逆(ni)變(bian)輸(shu)出(chu)電(dian)壓(ya)的(di)穩(wen)壓(ya)過(guo)程(cheng)是(shi)通(tong)過(guo)檢(jian)測(ce)逆(ni)變(bian)器(qi)反(fan)饋(kui)電(dian)壓(ya)高(gao)低(di)來(lai)控(kong)製(zhi)方(fang)波(bo)信(xin)號(hao)的(di)脈(mo)衝(chong)寬(kuan)度(duo)而(er)實(shi)現(xian)的(di).如(ru)果(guo)UPS出(chu)現(xian)不(bu)穩(wen)壓(ya)故(gu)障(zhang),隻(zhi)要(yao)檢(jian)查(cha)相(xiang)應(ying)的(di)調(diao)壓(ya)控(kong)製(zhi)電(dian)路(lu)即(ji)可(ke)。
3.不(bu)充(chong)電(dian)
不(bu)充(chong)電(dian)故(gu)障(zhang)在(zai)市(shi)電(dian)不(bu)經(jing)常(chang)中(zhong)斷(duan)的(di)環(huan)境(jing)裏(li)比(bi)較(jiao)難(nan)發(fa)現(xian),而(er)它(ta)的(di)危(wei)害(hai)很(hen)大(dai),很(hen)可(ke)能(neng)使(shi)蓄(xu)電(dian)池(chi)因(yin)長(zhang)期(qi)得(dei)不(bu)到(dao)充(chong)電(dian)而(er)提(ti)前(qian)報(bao)廢(fei)。判(pan)斷(duan)此(ci)故(gu)障(zhang)的(di)方(fang)法(fa)很(hen)簡(jian)單(shan),隻(zhi)要(yao)斷(duan)開(kai)充(chong)電(dian)電(dian)路(lu)與(yu)蓄(xu)電(dian)池(chi)的(di)連(lian)接(jie),通(tong)過(guo)測(ce)充(chong)電(dian)電(dian)路(lu)的(di)空(kong)載(zai)電(dian)壓(ya)即(ji)可(ke)判(pan)斷(duan)(正(zheng)常(chang)時(shi),對(dui)單(shan)塊(kuai)12V的(di)蓄(xu)電(dian)池(chi)來(lai)說(shui)此(ci)電(dian)壓(ya)為(wei)13.5V,對(dui)串(chuan)聯(lian)的(di)兩(liang)塊(kuai)蓄(xu)電(dian)池(chi)來(lai)說(shui)是(shi)27V)。若(ruo)此(ci)電(dian)壓(ya)不(bu)正(zheng)常(chang),就(jiu)應(ying)檢(jian)查(cha)充(chong)電(dian)電(dian)路(lu)及(ji)相(xiang)應(ying)控(kong)製(zhi)電(dian)路(lu),特(te)別(bie)是(shi)與(yu)此(ci)相(xiang)關(guan)的(di)控(kong)製(zhi)電(dian)路(lu)。當(dang)市(shi)電(dian)電(dian)壓(ya)過(guo)低(di)或(huo)中(zhong)斷(duan)時(shi),充(chong)電(dian)電(dian)路(lu)在(zai)控(kong)製(zhi)電(dian)路(lu)的(di)作(zuo)用(yong)下(xia)會(kuai)停(ting)止(zhi)工(gong)作(zuo).若(ruo)相(xiang)應(ying)控(kong)製(zhi)電(dian)路(lu)有(you)故(gu)障(zhang)而(er)誤(wu)動(dong)作(zuo),也(ye)會(kuai)使(shi)充(chong)電(dian)電(dian)路(lu)不(bu)工(gong)作(zuo)。