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:
電動車充電器主要分為三段式和(he)脈沖型兩(liang)類智能(neng)充(chong)電(dian)(dian)器模式,其中三段式電(dian)(dian)池(chi)充(chong)電(dian)(dian)器充(chong)電(dian)(dian)方式占據了市場(chang)的絕(jue)大部分份(fen)額,由于(yu)很(hen)多三段式電(dian)(dian)池(chi)充(chong)電(dian)(dian)器沒有增加溫(wen)度補償功(gong)能(neng),再加上電(dian)(dian)池(chi)在使用過程中,一直處于(yu)一個(ge)動(dong)態變化的過程中,如果不(bu)適時調(diao)整充(chong)電(dian)(dian)器參(can)數,難(nan)免(mian)會發生充(chong)鼓電(dian)(dian)池(chi)的現象。
現在市面上的電動車充電器主要分為三(san)段式(shi)和(he)脈(mo)沖型兩類充電(dian)模式(shi),其中(zhong)三(san)段式(shi)充電(dian)器占據(ju)了(le)市(shi)場的(de)絕大(da)部分份額,由于很(hen)多三(san)段式(shi)充電(dian)器沒有增加溫度補償(chang)功能(neng),再加上電(dian)池在(zai)使用(yong)過程中(zhong),一直(zhi)處(chu)于一個動(dong)態(tai)變化(hua)的(de)過程中(zhong),如果(guo)不適時調整電(dian)池充電(dian)器參數(shu),難(nan)免(mian)會發生(sheng)充鼓電(dian)池的(de)現象。現在(zai)就(jiu)三(san)段式(shi)充電(dian)器參數(shu)調整給(gei)大(da)家開個貼,希望(wang)對(dui)網(wang)友(you)特別是懂(dong)維修的(de)朋(peng)友(you)有些幫助!
一、溫度對充電參(can)數的影響(xiang)
三段(duan)式(shi)常溫下的(de)最佳參(can)數(shu)設置(25°時的(de)充電參(can)數(shu))
1、36V10-12Ah:恒(heng)流1.8A±0.1A,最高(gao)限(xian)壓(ya):44.4V,轉燈電流:300mA±20mA,浮充電壓(ya):41.4-41.7V;
2、48V10-12Ah:恒流1.8A±0.1A,最高限壓:59.2V,轉燈電流:300mA±20mA,浮(fu)充(chong)電壓:55.2-55.6V;
3、48V14-16Ah:恒流(liu)2.0A±0.1A,最高限壓:59.2V,轉燈電流(liu):350mA±20mA,浮(fu)充電壓:55.2-55.6V;
4、48V17Ah:恒流(liu)2.7A±0.2A,最(zui)高限壓:59.2V,轉燈電流(liu):500mA±20mA,浮充電壓:55.2-55.6V;
5、48V20Ah:恒流3.0A±0.2A,最高(gao)限壓:59.2V,轉燈電流:600mA±30mA,浮(fu)充電壓:55.2-55.6V;
6、48V28Ah:恒流4.5A±0.3A,最高限(xian)壓(ya):59.2V,轉燈電(dian)流:800mA±50mA,浮充(chong)電(dian)壓(ya):55.2-55.6V;
但用戶不可能僅僅在(zai)這(zhe)個(ge)恒(heng)定溫度(du)下對電(dian)(dian)(dian)(dian)池(chi)進行充(chong)電(dian)(dian)(dian)(dian),如果忽視(shi)溫度(du)對充(chong)電(dian)(dian)(dian)(dian)的影響,就會(hui)發生(sheng)冬(dong)天(tian)電(dian)(dian)(dian)(dian)池(chi)欠充(chong)沒力,夏天(tian)電(dian)(dian)(dian)(dian)池(chi)過(guo)充(chong)被充(chong)鼓了的現象。我們(men)看(kan)看(kan)一個(ge)電(dian)(dian)(dian)(dian)池(chi)廠出示的溫度(du)補償參數:
溫(wen)度變化對恒壓值的調整(以(yi)10AH36V為例)
溫(wen)(wen)度 恒壓值 溫(wen)(wen)度 恒壓值 備注
-10℃ 46.29-47.02V 20℃ 44.37-44.86V 25℃時,
36V電(dian)池組恒壓(ya)值為44.40V,溫度±1℃,恒壓(ya)值±54-72MV.
25℃時,
48V電池組恒(heng)壓(ya)(ya)值為59.20V,溫度±1℃,恒(heng)壓(ya)(ya)值±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(wen)(wen)度補償量的(de)計算(suan):溫(wen)(wen)度每上升(sheng)或(huo)下降1°,每格電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)充(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓要下降或(huo)上升(sheng)4MV。以36V電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組(zu)為(wei)例:由3塊(kuai)12V的(de)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組(zu)成(cheng),每塊(kuai)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)由6個(ge)2V的(de)單個(ge)組(zu)成(cheng),溫(wen)(wen)度上升(sheng)1°,那么電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組(zu)的(de)充(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓就要下降:6格*4MV*3塊(kuai)=72MV。
二、電池失水對充電參(can)數(shu)的影響(xiang)
上(shang)面出示的(de)(de)充電(dian)(dian)(dian)參數是以新電(dian)(dian)(dian)池為(wei)基準的(de)(de),但(dan)電(dian)(dian)(dian)池用了一段時間以后(hou),電(dian)(dian)(dian)池會失水(shui),單只(zhi)電(dian)(dian)(dian)池的(de)(de)失水(shui)壽命≤90g,
電(dian)池失水量達到(dao)7%左右,夏季(ji)易(yi)出現(xian)(xian)不(bu)轉燈現(xian)(xian)象(xiang);超過10%,則易(yi)出現(xian)(xian)充鼓(gu)。根據經驗值,以48V20AH超威(wei)電(dian)池為(wei)例,當電(dian)池用到(dao)快一年(nian)的時(shi)候,把充電(dian)參數作如下調整,電(dian)池很少發(fa)生(sheng)發(fa)熱被充鼓(gu)的現(xian)(xian)象(xiang):
1 對(dui)充(chong)電器(qi)的(de)高(gao)壓值做調(diao)整(zheng),一(yi)般調(diao)整(zheng)到58.8v-59.0v
2 對(dui)轉燈電流調整到(dao)800ma-1000ma
3 對浮充(chong)電(dian)壓(ya)調整到56.5v(在300ma時電(dian)壓(ya)控制在55.3v左右)
4 對短路或自(zi)放電(dian)的(de)電(dian)池,要把轉(zhuan)燈電(dian)流調大到1000--1200ma即可有效轉(zhuan)燈,但浮充電(dian)壓(ya)要調高到57v,充電(dian)時(shi)間越長越好。
另外,再補充一點電池補水(shui)的(de)知識:當電池用到(dao)一年(nian)半的(de)時候,檢測電池組的(de)平衡性,若電池是平衡的(de),可以(yi)少(shao)量加(jia)水(shui)。若不平衡,加(jia)水(shui)可能會導致容(rong)量下降(jiang)。