【蓄電池容量】蓄電池容量計算公式 蓄電池容量測試新技(ji)術介紹

蓄電池容量計算公式

容量=放(fang)電電流×放(fang)電時間

蓄電池的(de)容量與放電電流大(da)小(xiao)及電解(jie)液(ye)的(de)溫度(du)有關(guan)，因此標稱容量是在一(yi)定的(de)放電電流、一(yi)定的(de)終止電壓和一(yi)定的(de)電解(jie)液(ye)溫度(du)下取得(de)的(de)，標容量有兩種。

額定容量

額定容量是指完全充足電的蓄電池在電解液平均溫度30 ℃的情況(kuang)下，以(yi)20小(xiao)時率放電的電流（相當于額定容量的1/20）連續放(fang)電至單體(ti)1.75V時輸出的電量(liang)。

起動容量

常溫起動容量：指電解液溫度為30 ℃時，以5min率放(fang)電(dian)電(dian)流（3倍額(e)定(ding)容(rong)量電流(liu)）連續放電至規(gui)定(ding)的終止(zhi)電壓（6V蓄(xu)電(dian)池為4.5V，12V蓄電池為(wei)9V）時，所輸(shu)出的電量，其放電持續時間應在5min以上

低溫起動容量：電解液溫度為-18℃時，以3倍額定容量的電流連續(xu)放電至規定終(zhong)止電壓（12V蓄(xu)電池為6V，6V蓄電(dian)池(chi)為(wei)3V）時所放(fang)(fang)出的電(dian)量，其(qi)放(fang)(fang)電(dian)持續(xu)時間應(ying)在2.5min以上(shang)。

蓄電池容量測試新技術介紹

通(tong)訊(xun)后備蓄電(dian)(dian)(dian)池質量(liang)是(shi)通(tong)訊(xun)網(wang)絡供(gong)電(dian)(dian)(dian)不中斷的重要(yao)保障，是(shi)整(zheng)個通(tong)訊(xun)電(dian)(dian)(dian)源設備供(gong)電(dian)(dian)(dian)保障，保證通(tong)訊(xun)網(wang)絡正常運行的最后一道防(fang)線(xian)。根據蓄電(dian)(dian)(dian)池特性和維護(hu)要(yao)求，蓄電(dian)(dian)(dian)池放電(dian)(dian)(dian)容量(liang)測試工(gong)作是(shi)必不可少的。

隨著通訊網絡規模的(de)迅猛發(fa)展，現網電(dian)源(yuan)維護專(zhuan)業技術(shu)職員相對較少，當前電(dian)池(chi)(chi)放電(dian)容量測(ce)試(shi)方式(shi)存(cun)在安全隱(yin)患(huan)，操縱(zong)復雜，測(ce)試(shi)工作量大的(de)題目，致使維護規程要求的(de)電(dian)池(chi)(chi)放電(dian)測(ce)試(shi)工作得不(bu)到(dao)有效(xiao)落實，落后(hou)電(dian)池(chi)(chi)不(bu)能及時得到(dao)預警和維護，在用電(dian)池(chi)(chi)往(wang)(wang)往(wang)(wang)被提前報廢，造成資源(yuan)浪費。

團(tuan)體公司、福建公司針對電(dian)池放(fang)(fang)電(dian)技術聯合進(jin)行研究，導進(jin)了創新性的全(quan)(quan)在(zai)線(xian)電(dian)池放(fang)(fang)電(dian)技術，全(quan)(quan)面解決了幾十年來原電(dian)池放(fang)(fang)電(dian)技術中(zhong)存在(zai)的安全(quan)(quan)隱患(huan)題目。

1、當前電池放電技術分析

1.1離線式放電法技術分析

（1）將其(qi)中(zhong)一(yi)(yi)組(zu)電(dian)(dian)池脫離系統后，一(yi)(yi)旦市(shi)電(dian)(dian)中(zhong)斷，系統備(bei)用電(dian)(dian)池供電(dian)(dian)時間明顯縮短(duan)，何(he)況此(ci)時尚不清(qing)楚另一(yi)(yi)組(zu)在(zai)線電(dian)(dian)池是否存(cun)在(zai)質量題(ti)目，此(ci)放電(dian)(dian)方式(shi)事故風(feng)險性(xing)高。如要(yao)用此(ci)方式(shi)放電(dian)(dian)，建議提前啟用發(fa)(fa)動機(ji)組(zu)，并確保(bao)發(fa)(fa)電(dian)(dian)機(ji)組(zu)、開(kai)關電(dian)(dian)源等(deng)設備(bei)能正常運行，保(bao)證安(an)全(quan)；

（2）離線放電(dian)(dian)結束后的(de)(de)電(dian)(dian)池組與(yu)在線電(dian)(dian)池組間存在較大(da)(da)電(dian)(dian)壓(ya)差，若操(cao)縱(zong)不當將(jiang)(jiang)引起(qi)開關(guan)電(dian)(dian)源和(he)在線電(dian)(dian)池組對離線放電(dian)(dian)后的(de)(de)電(dian)(dian)池組進行大(da)(da)電(dian)(dian)流充(chong)(chong)電(dian)(dian)，產(chan)生(sheng)巨大(da)(da)火(huo)花，易發生(sheng)安全事故。用此方(fang)式放電(dian)(dian)，需要配備一臺整(zheng)組智能充(chong)(chong)電(dian)(dian)機，對該離線電(dian)(dian)池組先充(chong)(chong)電(dian)(dian)恢(hui)復(fu)后再(zai)并聯(lian)回系(xi)統，以解決打火(huo)花題(ti)目，這樣將(jiang)(jiang)使(shi)系(xi)統更(geng)長時間處于單組供(gong)電(dian)(dian)狀態，事故風險高。另通過調整(zheng)整(zheng)流器(qi)輸(shu)出與(yu)被(bei)放電(dian)(dian)的(de)(de)電(dian)(dian)池組電(dian)(dian)壓(ya)相等后進行恢(hui)復(fu)連(lian)接(jie)。上述操(cao)縱(zong)一定要謹慎操(cao)縱(zong)；

（3）此放電(dian)方式操縱時既要(yao)(yao)脫離電(dian)池組的正極(ji)，又要(yao)(yao)脫離電(dian)池組的負極(ji)，尤其(qi)是脫離電(dian)池組負極(ji)時需要(yao)(yao)特別小心，操縱不當引(yin)起負極(ji)短(duan)路(lu)，將造成系統供電(dian)中(zhong)斷，導致通(tong)訊事故的發生(sheng)；

（4）此(ci)方式是將(jiang)電池通(tong)過假負載以熱量形式消(xiao)耗，浪費電能，影響機房設備運行環境，需要維護職員時刻守護以免高溫引發事故。

1.2在線評估式放電法技術分析

（1）調整(zheng)整(zheng)流(liu)器輸出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)至保(bao)護低(di)壓(ya)(ya)值(zhi)（如46V），使(shi)所有后備(bei)(bei)(bei)電(dian)(dian)(dian)(dian)池組(zu)直接對(dui)實際(ji)負荷進行放(fang)電(dian)(dian)(dian)(dian)至整(zheng)流(liu)器輸出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)保(bao)護設(she)置(zhi)值(zhi)。由于現網系(xi)統設(she)備(bei)(bei)(bei)盡大多數電(dian)(dian)(dian)(dian)池配置(zhi)后備(bei)(bei)(bei)供電(dian)(dian)(dian)(dian)時間(jian)為1～4h，放(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)大，應(ying)(ying)考慮電(dian)(dian)(dian)(dian)池組(zu)至設(she)備(bei)(bei)(bei)供電(dian)(dian)(dian)(dian)回路壓(ya)(ya)降及設(she)備(bei)(bei)(bei)低(di)壓(ya)(ya)工作門限(xian)，以(yi)(yi)及保(bao)證系(xi)統供電(dian)(dian)(dian)(dian)安全，在(zai)(zai)線評估式放(fang)電(dian)(dian)(dian)(dian)其調整(zheng)整(zheng)流(liu)器輸出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)不(bu)答應(ying)(ying)過低(di)（如46V），放(fang)電(dian)(dian)(dian)(dian)深(shen)度有限(xian)，對(dui)實際(ji)負載的(de)放(fang)電(dian)(dian)(dian)(dian)時間(jian)把握比較(jiao)困難，評估電(dian)(dian)(dian)(dian)池容量難以(yi)(yi)正確(que)，對(dui)電(dian)(dian)(dian)(dian)池性能(neng)測試有不(bu)確(que)定因素存在(zai)(zai)，從而對(dui)保(bao)持電(dian)(dian)(dian)(dian)池組(zu)活(huo)性這一放(fang)電(dian)(dian)(dian)(dian)測試目(mu)的(de)難以(yi)(yi)達到(dao)維(wei)護預(yu)期工作效果；

（2）假如兩組電(dian)池(chi)都有失容或欠容、落后(hou)等質量(liang)題目，當其放(fang)電(dian)至整流器輸出保(bao)護(hu)值的時間，不易被(bei)維護(hu)職員及時發現，此時可(ke)能后(hou)備電(dian)池(chi)容量(liang)所剩(sheng)無(wu)幾，存在(zai)高風險。在(zai)此情況下，此放(fang)電(dian)方式比離線放(fang)電(dian)方式安(an)全性(xing)更低(di)；

（3）由于放(fang)電(dian)(dian)(dian)(dian)深度有(you)(you)限，對保(bao)持電(dian)(dian)(dian)(dian)池組的活性(xing)這一(yi)(yi)放(fang)電(dian)(dian)(dian)(dian)測(ce)試的目(mu)的無法達到(dao)，更為關鍵的是在(zai)全容量(liang)放(fang)電(dian)(dian)(dian)(dian)的實踐中(zhong)(zhong)我們(men)經常發現有(you)(you)些(xie)電(dian)(dian)(dian)(dian)池組在(zai)放(fang)電(dian)(dian)(dian)(dian)前期(qi)(qi)表現正常，但到(dao)中(zhong)(zhong)后期(qi)(qi)，有(you)(you)些(xie)落后電(dian)(dian)(dian)(dian)池才開始逐步暴露(lu)出(chu)來。這一(yi)(yi)部分落后單體，于此放(fang)電(dian)(dian)(dian)(dian)方式的深度不夠而沒(mei)有(you)(you)被發現。所以(yi)我們(men)稱此放(fang)電(dian)(dian)(dian)(dian)方式為在(zai)線評估式，它只(zhi)能大(da)致評估電(dian)(dian)(dian)(dian)池組性(xing)能，或檢測(ce)此電(dian)(dian)(dian)(dian)池組可以(yi)放(fang)電(dian)(dian)(dian)(dian)至此保(bao)護電(dian)(dian)(dian)(dian)壓(ya)的時(shi)間(jian)是非，而無法進一(yi)(yi)步檢查除此時(shi)間(jian)外究竟還能放(fang)電(dian)(dian)(dian)(dian)多長(chang)時(shi)間(jian)；

（4）組(zu)(zu)間電(dian)(dian)(dian)(dian)池(chi)(chi)放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流不均(jun)衡。各組(zu)(zu)電(dian)(dian)(dian)(dian)池(chi)(chi)將(jiang)根據自(zi)身情(qing)況(kuang)自(zi)然分攤系統的負荷電(dian)(dian)(dian)(dian)流來放電(dian)(dian)(dian)(dian)，落后電(dian)(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)，內阻大，分攤電(dian)(dian)(dian)(dian)流小，而(er)健康電(dian)(dian)(dian)(dian)池(chi)(chi)組(zu)(zu)，內阻低，分攤電(dian)(dian)(dian)(dian)流大，造成某(mou)些落后電(dian)(dian)(dian)(dian)池(chi)(chi)因放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流不夠大而(er)無法(fa)暴露出來的現象，達不到我(wo)們進行放電(dian)(dian)(dian)(dian)性能質(zhi)量檢測目的。

綜(zong)上所述，在中心機房蓄(xu)(xu)電(dian)(dian)池(chi)(chi)必(bi)須定(ding)期進(jin)行容量測(ce)試(shi)(shi)的(de)(de)(de)需求(qiu)下，目(mu)前(qian)兩(liang)種容量測(ce)試(shi)(shi)方(fang)法(fa)，各有特點又各有弊端，離線放(fang)電(dian)(dian)方(fang)法(fa)固然可(ke)以(yi)(yi)達到(dao)(dao)蓄(xu)(xu)電(dian)(dian)池(chi)(chi)容量測(ce)試(shi)(shi)的(de)(de)(de)目(mu)的(de)(de)(de)，但(dan)是(shi)工(gong)作(zuo)量太大，系(xi)統安全(quan)(quan)(quan)性偏低(di)(di)，而在線評估(gu)式(shi)放(fang)電(dian)(dian)方(fang)法(fa)固然工(gong)作(zuo)量比(bi)較小，但(dan)是(shi)系(xi)統安全(quan)(quan)(quan)性低(di)(di)，達不(bu)到(dao)(dao)蓄(xu)(xu)電(dian)(dian)池(chi)(chi)容量測(ce)試(shi)(shi)的(de)(de)(de)目(mu)的(de)(de)(de)，潛伏的(de)(de)(de)安全(quan)(quan)(quan)隱患大。因此，當前(qian)的(de)(de)(de)蓄(xu)(xu)電(dian)(dian)池(chi)(chi)容量測(ce)試(shi)(shi)方(fang)法(fa)必(bi)須改革，現將引進(jin)一(yi)種全(quan)(quan)(quan)新的(de)(de)(de)、科(ke)學(xue)的(de)(de)(de)容量測(ce)試(shi)(shi)技術——全(quan)(quan)(quan)在線放(fang)電(dian)(dian)技術，以(yi)(yi)使電(dian)(dian)池(chi)(chi)放(fang)電(dian)(dian)容量測(ce)試(shi)(shi)達到(dao)(dao)預期維護(hu)質量檢(jian)測(ce)效(xiao)果，電(dian)(dian)池(chi)(chi)放(fang)電(dian)(dian)維護(hu)操(cao)縱簡便(bian)安全(quan)(quan)(quan)，進(jin)步(bu)了維護(hu)工(gong)作(zuo)效(xiao)率(lv)易得到(dao)(dao)有效(xiao)的(de)(de)(de)落實。

2、全在線放電技術分析

全(quan)在線(xian)放(fang)電(dian)(dian)(dian)技術(shu)指被測(ce)電(dian)(dian)(dian)池(chi)組通過(guo)串接電(dian)(dian)(dian)池(chi)組全(quan)在線(xian)放(fang)電(dian)(dian)(dian)測(ce)試(shi)設備提升在線(xian)供電(dian)(dian)(dian)電(dian)(dian)(dian)壓，以自動穩流或恒功率控制輸出，使被測(ce)電(dian)(dian)(dian)池(chi)組對在線(xian)負載設備進行供電(dian)(dian)(dian)，實現被測(ce)電(dian)(dian)(dian)池(chi)組恒電(dian)(dian)(dian)放(fang)逐電(dian)(dian)(dian)測(ce)試(shi)或恒功率放(fang)電(dian)(dian)(dian)測(ce)試(shi)，達到安全(quan)節能維護效果。

放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)技術(shu)原(yuan)理如圖2所(suo)(suo)(suo)示。被(bei)(bei)測電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)的(de)(de)(de)全在(zai)(zai)線放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)理分析：如圖2所(suo)(suo)(suo)示，在(zai)(zai)被(bei)(bei)測電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)的(de)(de)(de)正極(ji)串(chuan)聯電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)全在(zai)(zai)線放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)設備(bei)，使被(bei)(bei)測組(zu)(zu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)所(suo)(suo)(suo)在(zai)(zai)支路的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)略(lve)高出(chu)整流器輸出(chu)或另(ling)一組(zu)(zu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，這樣就能使該組(zu)(zu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)對實際負荷進行放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，在(zai)(zai)其放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程被(bei)(bei)測電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)隨著放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)間的(de)(de)(de)變化（延長(chang)）而變化（逐漸下降），通過(guo)全在(zai)(zai)線放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)設備(bei)進行自(zi)動電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)補償調整，保證(zheng)被(bei)(bei)測電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)始終(zhong)(zhong)保持恒定的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流或恒定的(de)(de)(de)功率進行放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，當電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)終(zhong)(zhong)止電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)、容量、時(shi)間和(he)單體電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)達到(dao)我們預(yu)期所(suo)(suo)(suo)設置的(de)(de)(de)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)門(men)限(xian)值時(shi)，完成放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)測試。實現該電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組(zu)(zu)在(zai)(zai)線放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)測試目的(de)(de)(de)和(he)預(yu)期維護效果。全在(zai)(zai)線放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)工作原(yuan)理，如圖3所(suo)(suo)(suo)示。

圖2全在線放電原理

圖(tu)3在(zai)線(xian)放電工作(zuo)原(yuan)理(li)圖(tu)

2.1在線放電結束后，自動完成在線充電恢復等電位連接

被測電(dian)(dian)(dian)(dian)池組(zu)(zu)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)測試結(jie)束(shu)(shu)后(hou)，電(dian)(dian)(dian)(dian)池組(zu)(zu)全在(zai)線(xian)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)設(she)(she)備(bei)(bei)自(zi)動(dong)進進充電(dian)(dian)(dian)(dian)程(cheng)序(xu)，引導(dao)在(zai)線(xian)開關電(dian)(dian)(dian)(dian)源的整流輸出，經過(guo)全在(zai)線(xian)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)測試設(she)(she)備(bei)(bei)的充電(dian)(dian)(dian)(dian)、等電(dian)(dian)(dian)(dian)位控(kong)制(zhi)保護電(dian)(dian)(dian)(dian)路(lu)自(zi)動(dong)對(dui)被測放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)的電(dian)(dian)(dian)(dian)池組(zu)(zu)進行限流充電(dian)(dian)(dian)(dian)，自(zi)動(dong)完成(cheng)在(zai)線(xian)等電(dian)(dian)(dian)(dian)位連(lian)接(jie)，根據全在(zai)線(xian)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)測試設(she)(she)備(bei)(bei)系統(tong)提示(shi)操縱要求(qiu)，恢復系統(tong)的正常連(lian)接(jie)后(hou)，全在(zai)線(xian)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)測試設(she)(she)備(bei)(bei)退(tui)出服務，完成(cheng)結(jie)束(shu)(shu)蓄電(dian)(dian)(dian)(dian)池組(zu)(zu)全在(zai)線(xian)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)、充電(dian)(dian)(dian)(dian)恢復等電(dian)(dian)(dian)(dian)位正常連(lian)接(jie)全過(guo)程(cheng)。另一(yi)組(zu)(zu)電(dian)(dian)(dian)(dian)池以同樣的方式進行在(zai)線(xian)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)容量(liang)測試。如圖4所示(shi)。

圖4在線充電(dian)自(zi)動控制等電(dian)位連接工(gong)作原(yuan)理圖

2.2在線放電“無縫連接”技術

為確(que)保電(dian)池放電(dian)測試的安全性，電(dian)池組全在線放電(dian)設備在串(chuan)聯接進電(dian)池組正極時要求以無縫連接方式，如圖5所示。

圖5在線放電容量測試接線圖

電(dian)(dian)(dian)池組在線放電(dian)(dian)(dian)測(ce)試無(wu)縫連接(jie)(jie)(jie)操縱(zong)，“設備”接(jie)(jie)(jie)進(jin)應遵(zun)守(shou)“先接(jie)(jie)(jie)三，后(hou)拆(chai)一”，即為先接(jie)(jie)(jie)電(dian)(dian)(dian)源(yuan)線L1、L2、L3，后(hou)拆(chai)原電(dian)(dian)(dian)源(yuan)連接(jie)(jie)(jie)線L5；“設備”成測(ce)試退出服務，應遵(zun)守(shou)“先接(jie)(jie)(jie)一，后(hou)拆(chai)三”的(de)原則，即為先接(jie)(jie)(jie)原電(dian)(dian)(dian)源(yuan)連接(jie)(jie)(jie)線L5，后(hou)拆(chai)電(dian)(dian)(dian)源(yuan)線L1、L2、L3。

3、在線放電技術與當前放電技術對比分析

3.1與離線放電技術對比分析

（1）放電過(guo)程最大(da)(da)限(xian)度(du)保證電池組(zu)備用(yong)電能，最大(da)(da)限(xian)度(du)降(jiang)低放電測試造成(cheng)系統癱(tan)瘓的(de)風險；

（2）電(dian)池組放電(dian)后(hou)能自動進(jin)(jin)行(xing)充電(dian)恢復，克(ke)服離線放電(dian)后(hou)等(deng)電(dian)位接進(jin)(jin)系統操縱難度大及潛(qian)伏安全等(deng)題目；

（3）電(dian)池組存(cun)(cun)儲的電(dian)能最大限度地(di)得到利用(yong)，克(ke)服了離(li)線(xian)放電(dian)能源的浪費，基本沒有發(fa)熱現象，不(bu)存(cun)(cun)在高溫的危(wei)險，不(bu)影響機房環境溫度；

（4）僅在電池組的正極進行(xing)無縫(feng)連(lian)接(jie)操縱，避(bi)免了離線(xian)放(fang)電因操縱不當引起(qi)的短路風險；

（5）該(gai)設(she)備(bei)一旦串(chuan)聯接進(jin)電池組的正(zheng)極，設(she)定相關放電參數后，所有放電充電工(gong)作自動完成，維(wei)護職員可以進(jin)行其它工(gong)作，降低工(gong)作強度，進(jin)步工(gong)作效(xiao)率(lv)。

3.2與在線評估式放電技術對比分析

（1）全在線(xian)放電(dian)方(fang)式(shi)能夠達到深度放電(dian)保持電(dian)池(chi)活性及檢(jian)測落后(hou)(hou)電(dian)池(chi)的放電(dian)測試目的，充分把握電(dian)池(chi)組(zu)剩(sheng)余容量和后(hou)(hou)備(bei)供(gong)電(dian)時間；

（2）在放電(dian)過程(cheng)中最(zui)大限(xian)(xian)度(du)地保證(zheng)電(dian)池組備用電(dian)能，最(zui)大限(xian)(xian)度(du)地降低了容(rong)量測試造成(cheng)系統癱瘓的風險；

（3）全在線放電(dian)方式能夠實(shi)現各組電(dian)池(chi)以相同(tong)電(dian)流(liu)進行分(fen)組放電(dian)，任(ren)何(he)落后單(dan)體(ti)電(dian)池(chi)都能暴露出來，克(ke)服(fu)了在線評估式放電(dian)的(de)局限性；

（4）全(quan)在線放電設(she)備一旦串聯(lian)接進(jin)電池組的正極，設(she)定相(xiang)關放電參(can)數(shu)后，所有放電充電工(gong)作(zuo)(zuo)自動完成，維護職員(yuan)可以(yi)進(jin)行其它(ta)工(gong)作(zuo)(zuo)，降低工(gong)作(zuo)(zuo)強度(du)，進(jin)步工(gong)作(zuo)(zuo)效(xiao)率。