大輸出同步電機作為廣泛應用于大型機械生產與制造中，在使用過程中，因為某些原因會出現自身工作溫度升高，甚至導致無法工作的情況。今天山東盛華變頻電機生產廠家盤點大功率電機的發熱原因。

導致大效率電(dian)機馬達升(sheng)溫的原(yuan)因(yin)有很(hen)多，常見的原(yuan)因(yin)有：電(dian)源問題(ti)、負載問題(ti)、電(dian)機故(gu)障、通風散熱不良。

1、電額定電壓過高(gao)。

當交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)源模塊線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)過高(gao)時，大(da)(da)(da)額(e)定(ding)負(fu)載最功率大(da)(da)(da)的(de)(de)直(zhi)流(liu)無(wu)刷(shua)三(san)(san)(san)相異(yi)步(bu)電(dian)(dian)(dian)(dian)(dian)機(ji)馬達(da)的(de)(de)反(fan)電(dian)(dian)(dian)(dian)(dian)動勢(shi)、磁(ci)通及磁(ci)通高(gao)相對(dui)密度均(jun)跟著變(bian)大(da)(da)(da)。會因為(wei)鐵(tie)損的(de)(de)大(da)(da)(da)小與磁(ci)通高(gao)相對(dui)密度多平方米相等，則鐵(tie)損增高(gao)，影(ying)響鐵(tie)芯線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)不穩(wen)(wen)。而磁(ci)通增高(gao)，又使得勵磁(ci)電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)電(dian)(dian)(dian)(dian)(dian)流(liu)信(xin)噪比大(da)(da)(da)幅度增高(gao)，從而造成定(ding)子三(san)(san)(san)相異(yi)步(bu)電(dian)(dian)(dian)(dian)(dian)機(ji)馬達(da)定(ding)子銅損變(bian)大(da)(da)(da)，使三(san)(san)(san)相異(yi)步(bu)電(dian)(dian)(dian)(dian)(dian)機(ji)馬達(da)定(ding)子線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)不穩(wen)(wen)。為(wei)此，當交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)源模塊線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)高(gao)出大(da)(da)(da)額(e)定(ding)負(fu)載最功率大(da)(da)(da)的(de)(de)直(zhi)流(liu)無(wu)刷(shua)三(san)(san)(san)相異(yi)步(bu)電(dian)(dian)(dian)(dian)(dian)機(ji)馬達(da)的(de)(de)額(e)定(ding)負(fu)載線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)時，會使電(dian)(dian)(dian)(dian)(dian)動機(ji)線(xian)電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)不穩(wen)(wen)，較為(wei)嚴(yan)重的(de)(de)前會影(ying)響直(zhi)流(liu)無(wu)刷(shua)三(san)(san)(san)相異(yi)步(bu)電(dian)(dian)(dian)(dian)(dian)機(ji)馬達(da)損毀。

2、電源開(kai)關電壓降過低。

電原電壓工作瞬時(shi)(shi)電流(liu)過低(di)時(shi)(shi)，若大(da)熱效率電機馬達的渦(wo)流(liu)傳動(dong)比(bi)保(bao)證不減，磁通將變低(di)，馬達葉片工作瞬時(shi)(shi)電流(liu)相對應的擴大(da)，定(ding)(ding)子工作瞬時(shi)(shi)電流(liu)中阻(zu)抗電原重量隨后提(ti)升，從而造成電機定(ding)(ding)子銅(tong)損(sun)擴大(da)，倒(dao)致定(ding)(ding)、馬達葉片電機定(ding)(ding)子超溫(wen)。

3、電源模塊電阻值不(bu)好稱(cheng)。

當電(dian)原線(xian)一相(xiang)斷路，將會造(zao)成大耗油率同(tong)步(bu)變(bian)(bian)頻電(dian)動機的(de)(de)(de)二相(xiang)使用，招致(zhi)使用的(de)(de)(de)二相(xiang)線(xian)圈可以(yi)通過大瞬(shun)時(shi)電(dian)流經(jing)過熱，易使得同(tong)步(bu)變(bian)(bian)頻電(dian)動機焚毀。即常說(shuo)的(de)(de)(de)同(tong)步(bu)變(bian)(bian)頻電(dian)動機缺相(xiang)破壞。

4、三相四線(xian)制(zhi)電源線(xian)不穩(wen)定性。

當380V四線制電源(yuan)線模塊(kuai)不發展時(shi)，會使(shi)自行為(wei)的380V四線制電壓不發展，在(zai)電動(dong)伸(shen)縮機電機定子內流(liu)下(xia)不做功的零序(xu)(xu)和負序(xu)(xu)電壓，導致的電機定子太(tai)熱。當自行為(wei)太(tai)熱時(shi)，采用了來(lai)排除法，應第一個考(kao)量電源(yuan)線模塊(kuai)個方面的愿意。

蘭州(zhou) 盛華變頻式(shi)制造(zao)公司專注(zhu)大功(gong)率電(dian)機(ji)生產(chan)二十余年，生產(chan)工藝成熟(shu)，品質優越，老(lao)品牌值得您的(de)信賴。