日(ri)期(qi):
2013-08-08
瀏(liu)覽(lan)次(ci)數(shuo):
蓄(xu)電(dian)池(chi)作(zuo)為(wei)電(dian)力(li)係(ji)統(tong)交(jiao)流(liu)停(ting)電(dian)時(shi)的(di)直(zhi)流(liu)後(hou)備(bei)電(dian)源(yuan),擔(dan)負(fu)著(zhuo)在(zai)故(gu)障(zhang)狀(zhuang)態(tai)下(xia)為(wei)各(ge)種(zhong)直(zhi)流(liu)操(cao)作(zuo)機(ji)構(gou)提(ti)供(gong)不(bu)間(jian)斷(duan)供(gong)電(dian)電(dian)源(yuan)的(di)重(chong)任(ren),而(er)在(zai)國(guo)內(nei)和(hu)國(guo)外(wai),屢(lv)有(you)因(yin)蓄(xu)電(dian)池(chi)故(gu)障(zhang)導(dao)致(zhi)電(dian)網(wang)崩(beng)饋(kui)的(di)事(shi)件(jian)發(fa)生(sheng).盡(jin)管(guan)電(dian)廠(han)每(mei)年(nian)都(du)有(you)定(ding)期(qi)的(di)蓄(xu)電(dian)池(chi)檢(jian)修(xiu)計(ji)劃(hua),但(dan)是(shi),由(you)於(yu)間(jian)偏(pian)時(shi)間(jian)過(guo)長(zhang),還(huan)是(shi)不(bu)能(neng)有(you)效(xiao)地(de)防(fang)止(zhi)上(shang)述(shu)事(shi)件(jian)的(di)發(fa)生(sheng)。
蓄(xu)電(dian)池(chi)的(di)非(fei)正(zheng)常(chang)失(shi)效(xiao)嚴(yan)重(chong)或(huo)脅(xie)著(zhuo)電(dian)網(wang)的(di)安(an)全(quan)運(yun)行(hang).除(chu)了(liao)實(shi)時(shi)蓄(xu)電(dian)池(chi)監(jian)測(ce)的(di)當(dang)前(qian)運(yun)行(hang) 狀(zhuang)態(tai),還(huan)應(ying)當(dang)及(ji)早(zao)預(yu)見(xian)可(ke)能(neng)存(cun)在(zai)的(di)問(wen)題(ti).本(ben)文(wen)在(zai)對(dui)現(xian)有(you)灰(hui)色(shai)預(yu)測(ce)模(mu)型(xing)進(jin)行(hang)深(shen)入(ru)研(yan)究(jiu)的(di)基(ji)礎(chu)上(shang),提(ti)出(chu)了(liao)一(yi)種(zhong)蓄(xu)電(dian)池(chi)容(rong)量(liang)灰(hui)色(shai)預(yu)測(ce)GM(1,1)改(gai)進(jin)模(mu)型(xing),進(jin)而(er)為(wei)判(pan)斷(duan)蓄(xu)電(dian)池(chi)是(shi)否(pi)存(cun)在(zai) 故(gu)障(zhang)提(ti)供(gong)依(yi)據(ju),避(bi)免(wen)了(liao)傳(zhuan)統(tong)的(di)容(rong)量(liang)試(shi)驗(yan)借(jie)來(lai)的(di)弊(bi)端(duan).該(gai)方(fang)法(fa)可(ke)實(shi)現(xian)蓄(xu)電(dian)池(chi)故(gu)除(chu)的(di)早(zao)期(qi)預(yu)測(ce),減(jian)少(shao)傳(zhuan)統(tong)的(di)電(dian)池(chi)容(rong)量(liang)放(fang)電(dian)試(shi)驗(yan)次(ci)數(shuo),從(zong)而(er)延(yan)長(zhang)留(liu)電(dian)池(chi)的(di)使(shi)用(yong)壽(shou)命(ming).預(yu)測(ce)實(shi)例(li)表(biao)明(ming). 本(ben)文(wen)提(ti)出(chu)的(di)灰(hui)色(shai)預(yu)側(zhai)改(gai)進(jin)模(mu)型(xing)比(bi)傳(zhuan)統(tong)的(di)GM(1,1)預(yu)測(ce)模(mu)型(xing)具(ju)有(you)更(geng)高(gao)的(di)模(mu)型(xing)精(jing)度(duo),能(neng)夠(gou)滿(man)足(ju)工(gong)程(cheng)需(xu)要(yao)。