一、電動車電機價格是多少
電(dian)動(dong)車電(dian)機(ji)的價(jia)(jia)格(ge)(ge)會(hui)根據功率(lv)、尺寸的不(bu)同而有所差(cha)異,品(pin)牌因素也對價(jia)(jia)格(ge)(ge)有一定影響,通(tong)常功率(lv)越(yue)(yue)大的價(jia)(jia)格(ge)(ge)越(yue)(yue)貴,并且(qie)由(you)于(yu)電(dian)動(dong)車電(dian)機(ji)壞了(le)(le)或舊了(le)(le)基本就不(bu)能用了(le)(le),都是直接換新(xin)而不(bu)是維修。
一般兩輪60V的電(dian)(dian)動車更換電(dian)(dian)機(ji)(ji)要(yao)300元左(zuo)右(you),小功率1000w以下的驅動電(dian)(dian)機(ji)(ji)價(jia)格通常在(zai)400元到500元左(zuo)右(you),不過如果(guo)是大功率電(dian)(dian)動車電(dian)(dian)機(ji)(ji)可(ke)能價(jia)格就要(yao)高(gao)很多了,一般都在(zai)千元以上。
二、如何辨別驅動電機的好壞
選購驅動電機主要遵循一(yi)看二(er)聽三摸四檢測原則(ze):
1、看外殼
外層電(dian)鍍工作做的好的電(dian)機(ji)一般(ban)外觀比較(jiao)(jiao)光亮,翻新(xin)機(ji)呈灰色且比較(jiao)(jiao)暗淡(dan)。再可以看(kan)(kan)電(dian)機(ji)商(shang)標,一般(ban)比較(jiao)(jiao)大的廠家看(kan)(kan)重品(pin)(pin)(pin)牌發展(zhan)都(dou)會(hui)標有(you)(you),這是一種品(pin)(pin)(pin)牌品(pin)(pin)(pin)質的體現。最后可以看(kan)(kan)電(dian)機(ji)是否有(you)(you)3C認證,符(fu)合(he)行業規(gui)范的電(dian)機(ji)也會(hui)更有(you)(you)保障。
2、聽動力
在試車時,消費者可(ke)以載(zai)重起動時動力是(shi)否充沛,動力不充沛的很可(ke)能在電(dian)機線圈上偷工減料了。
3、摸溫度
待(dai)電機(ji)停止后消費者可(ke)以用手(shou)去感知電機(ji)的溫(wen)度,溫(wen)度越低(di),電機(ji)散熱性越好,性能也越好。
4、檢測電阻
(1)檢測交流三相電機的好壞
搖(yao)表搖(yao),500V的搖(yao)表即可(ke),搖(yao)三(san)個(ge)接線(xian)柱上(shang)(shang)的線(xian)對(dui)電機外殼的絕(jue)緣阻值,在0.5M歐(ou)以(yi)上(shang)(shang)就說(shuo)明沒(mei)有(you)對(dui)地短(duan)路。也可(ke)以(yi)用(yong)萬用(yong)表測(ce),測(ce)A/B/C三(san)相間的阻值,是否相等。數(shu)值差的越大,電機性能(neng)越差。并且電機功率越大,阻值越小!但(dan)是不能(neng)三(san)相都為0歐(ou),除非(fei)如50KW以(yi)上(shang)(shang)特別大的電機,但(dan)這個(ge)目前電動車應(ying)用(yong)可(ke)以(yi)說(shuo)沒(mei)有(you)。
(2)檢測交流單相電機的好壞
用(yong)(yong)(yong)500V兆(zhao)歐表(biao)測量(liang)(liang)(liang)(liang)電(dian)(dian)(dian)動(dong)機(ji)繞(rao)組與(yu)外(wai)殼的(de)絕(jue)緣電(dian)(dian)(dian)阻(zu)(zu),不應小于0.5兆(zhao)歐;用(yong)(yong)(yong)萬(wan)用(yong)(yong)(yong)表(biao)測量(liang)(liang)(liang)(liang)繞(rao)組各引(yin)線,沒有(you)斷(duan)線,兩者都符(fu)合要(yao)求,電(dian)(dian)(dian)動(dong)機(ji)性能較好(hao)(hao)。檢(jian)測電(dian)(dian)(dian)容(rong)器用(yong)(yong)(yong)指針萬(wan)用(yong)(yong)(yong)表(biao)更方便(也有(you)帶電(dian)(dian)(dian)容(rong)檔的(de)數字表(biao),可直接測量(liang)(liang)(liang)(liang)),將萬(wan)用(yong)(yong)(yong)表(biao)撥到1K或10K電(dian)(dian)(dian)阻(zu)(zu)檔,測電(dian)(dian)(dian)容(rong)器的(de)2個引(yin)線,表(biao)針快速(su)向(xiang)右(you)偏轉后慢(man)慢(man)回到左側(ce)電(dian)(dian)(dian)容(rong)器,說(shuo)明(ming)電(dian)(dian)(dian)容(rong)器較好(hao)(hao);始終偏向(xiang)右(you)側(ce)說(shuo)明(ming)電(dian)(dian)(dian)容(rong)器被(bei)擊穿(chuan)了(le);指針不動(dong)則(ze)電(dian)(dian)(dian)容(rong)器內部斷(duan)線或沒有(you)容(rong)量(liang)(liang)(liang)(liang)了(le)。
(3)檢測直流電機的好壞
用萬用表測量換(huan)向(xiang)器之間的片(pian)間電壓,如(ru)果有沒兩片(pian)之間的片(pian)間電壓有相(xiang)同(tong)的規(gui)律,說(shuo)明繞組正(zheng)常。