提供電動車充電器參數的設置,讓你自已也能檢驗充電器的好壞。
電動車充電器參數設置:
電動車充電器主(zhu)要分為三段(duan)式(shi)和脈沖型兩(liang)類智能充(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)模式(shi),其中(zhong)(zhong)三段(duan)式(shi)電(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)充(chong)電(dian)(dian)(dian)(dian)方式(shi)占據了(le)市場的絕(jue)大部分份(fen)額,由于(yu)很(hen)多三段(duan)式(shi)電(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)沒(mei)有增加(jia)溫度補償功能,再加(jia)上電(dian)(dian)(dian)(dian)池在使用過程(cheng)中(zhong)(zhong),一直處于(yu)一個(ge)動(dong)態變化(hua)的過程(cheng)中(zhong)(zhong),如果(guo)不適(shi)時(shi)調整充(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)參(can)數,難免(mian)會發生(sheng)充(chong)鼓電(dian)(dian)(dian)(dian)池的現象。
現在市面上的電動車充電器主要分為三(san)(san)段式和脈沖型兩類充(chong)(chong)(chong)電(dian)(dian)(dian)模式,其(qi)中三(san)(san)段式充(chong)(chong)(chong)電(dian)(dian)(dian)器占據了市場的(de)絕大部(bu)分份額,由于(yu)很多(duo)三(san)(san)段式充(chong)(chong)(chong)電(dian)(dian)(dian)器沒有增(zeng)加溫度(du)補償(chang)功能,再加上電(dian)(dian)(dian)池在使用過程中,一直處于(yu)一個動態變(bian)化的(de)過程中,如(ru)果不適時調整(zheng)(zheng)電(dian)(dian)(dian)池充(chong)(chong)(chong)電(dian)(dian)(dian)器參數,難免會發生(sheng)充(chong)(chong)(chong)鼓電(dian)(dian)(dian)池的(de)現象。現在就三(san)(san)段式充(chong)(chong)(chong)電(dian)(dian)(dian)器參數調整(zheng)(zheng)給大家開個貼,希(xi)望(wang)對網友(you)特別是懂維修(xiu)的(de)朋友(you)有些幫助(zhu)!
一、溫度(du)對(dui)充電參(can)數的影(ying)響
三段式常溫下的最佳(jia)參數(shu)設(she)置(zhi)(25°時的充電(dian)參數(shu))
1、36V10-12Ah:恒流1.8A±0.1A,最高限壓(ya):44.4V,轉燈電流:300mA±20mA,浮充電壓(ya):41.4-41.7V;
2、48V10-12Ah:恒流(liu)1.8A±0.1A,最高(gao)限壓(ya):59.2V,轉(zhuan)燈電(dian)流(liu):300mA±20mA,浮充電(dian)壓(ya):55.2-55.6V;
3、48V14-16Ah:恒流(liu)2.0A±0.1A,最高(gao)限(xian)壓:59.2V,轉燈電流(liu):350mA±20mA,浮充電壓:55.2-55.6V;
4、48V17Ah:恒流2.7A±0.2A,最高限壓:59.2V,轉燈電(dian)流:500mA±20mA,浮充電(dian)壓:55.2-55.6V;
5、48V20Ah:恒(heng)流(liu)3.0A±0.2A,最高限壓:59.2V,轉燈電(dian)(dian)流(liu):600mA±30mA,浮充(chong)電(dian)(dian)壓:55.2-55.6V;
6、48V28Ah:恒流4.5A±0.3A,最(zui)高限壓:59.2V,轉燈電流:800mA±50mA,浮充電壓:55.2-55.6V;
但用(yong)戶不可(ke)能僅僅在這個恒定溫(wen)度(du)下對電(dian)池進行充電(dian),如(ru)果忽視溫(wen)度(du)對充電(dian)的影響,就會發生冬天電(dian)池欠充沒力(li),夏天電(dian)池過充被(bei)充鼓了的現(xian)象。我們看看一個電(dian)池廠出(chu)示(shi)的溫(wen)度(du)補償參(can)數:
溫度(du)變化對恒壓值的調整(以(yi)10AH36V為(wei)例(li))
溫度 恒壓(ya)值 溫度 恒壓(ya)值 備注
-10℃ 46.29-47.02V 20℃ 44.37-44.86V 25℃時,
36V電池組恒壓值(zhi)為44.40V,溫(wen)度(du)±1℃,恒壓值(zhi)±54-72MV.
25℃時,
48V電(dian)池組恒(heng)壓值(zhi)(zhi)為59.20V,溫(wen)度(du)±1℃,恒(heng)壓值(zhi)(zhi)±72-96MV.
-5℃ 46.02-46.66V 25℃ 44.10-44.50V
0℃ 45.75-46.30V 30℃ 43.83-44.14V
5℃ 45.48-45.94V 35℃ 43.56-43.78V
10℃ 45.21-45.48V 40℃ 43.02-43.42V
15℃ 44.94-45.12V
溫度補償量的(de)(de)計算:溫度每上升或(huo)下(xia)降1°,每格電(dian)池(chi)的(de)(de)充電(dian)電(dian)壓要(yao)下(xia)降或(huo)上升4MV。以(yi)36V電(dian)池(chi)組為(wei)例(li):由(you)3塊12V的(de)(de)電(dian)池(chi)組成,每塊電(dian)池(chi)由(you)6個2V的(de)(de)單個組成,溫度上升1°,那么電(dian)池(chi)組的(de)(de)充電(dian)電(dian)壓就要(yao)下(xia)降:6格*4MV*3塊=72MV。
二、電池失水對充電參數(shu)的(de)影響
上(shang)面出示的充電(dian)參數是(shi)以新電(dian)池為基(ji)準的,但電(dian)池用了一段時間以后,電(dian)池會失(shi)水,單只電(dian)池的失(shi)水壽命≤90g,
電(dian)池(chi)失(shi)水量達到(dao)7%左右,夏季易(yi)(yi)出現不轉燈(deng)現象;超(chao)過10%,則易(yi)(yi)出現充(chong)鼓。根據經驗值,以48V20AH超(chao)威電(dian)池(chi)為例,當電(dian)池(chi)用到(dao)快一年(nian)的(de)時(shi)候,把充(chong)電(dian)參數作如下調整,電(dian)池(chi)很少發(fa)生發(fa)熱被充(chong)鼓的(de)現象:
1 對充電(dian)器的高壓(ya)值做調整(zheng),一(yi)般調整(zheng)到(dao)58.8v-59.0v
2 對轉(zhuan)燈電流調整(zheng)到800ma-1000ma
3 對(dui)浮(fu)充(chong)電壓調整到56.5v(在300ma時電壓控制在55.3v左右)
4 對短路或自(zi)放(fang)電(dian)的電(dian)池,要把轉(zhuan)燈(deng)電(dian)流調(diao)大到1000--1200ma即可有(you)效轉(zhuan)燈(deng),但浮充(chong)電(dian)壓要調(diao)高(gao)到57v,充(chong)電(dian)時間越長(chang)越好。
另(ling)外(wai),再補充(chong)一點電(dian)(dian)池(chi)(chi)補水的(de)知識:當(dang)電(dian)(dian)池(chi)(chi)用到(dao)一年半的(de)時候,檢(jian)測電(dian)(dian)池(chi)(chi)組的(de)平(ping)衡(heng)(heng)性,若電(dian)(dian)池(chi)(chi)是平(ping)衡(heng)(heng)的(de),可以少量加(jia)水。若不平(ping)衡(heng)(heng),加(jia)水可能會導致容量下降(jiang)。