耐腐蝕化工離心泵電機啟動要求與方式
- 2024-10-29
- 發布人： 杰凱流體
- 閱讀量： 165
耐(nai)腐蝕(shi)化(hua)工離心泵的種(zhong)類有很多，在使用中可分為民用泵和工(gong)業泵，在輸(shu)送介質(zhi)中可分為清水泵、雜質(zhi)泵和耐腐蝕(shi)泵等。耐腐蝕(shi)化工(gong)離心泵是工業生產中常用的(de)化工離(li)心泵(beng)，強耐(nai)腐蝕(shi)離(li)心泵(beng)通常采用電動(dong)(dong)(dong)機(ji)帶(dai)動(dong)(dong)(dong)泵(beng)運轉，對于強耐(nai)腐蝕(shi)泵(beng)主要(yao)的(de)驅動(dong)(dong)(dong)設備電機(ji)，在啟(qi)(qi)(qi)動(dong)(dong)(dong)的(de)時(shi)候有(you)很多(duo)種方(fang)式。其中包括直接(jie)啟(qi)(qi)(qi)動(dong)(dong)(dong)、自耦減(jian)壓(ya)啟(qi)(qi)(qi)動(dong)(dong)(dong)、Y-Δ 降壓(ya)啟(qi)(qi)(qi)動(dong)(dong)(dong)、軟啟(qi)(qi)(qi)動(dong)(dong)(dong)器(qi)啟(qi)(qi)(qi)動(dong)(dong)(dong)、變頻(pin)器(qi)啟(qi)(qi)(qi)動(dong)(dong)(dong)等(deng)等(deng)方(fang)式。那么接(jie)下來(lai)跟著杰凱小(xiao)編(bian)一起了解(jie)下離(li)心泵(beng)的(de)電機(ji)啟(qi)(qi)(qi)動(dong)(dong)(dong)有(you)什么要(yao)求(qiu)以及如何啟(qi)(qi)(qi)動(dong)(dong)(dong)吧！
一.耐腐蝕泵電機啟動要(yao)求
1.有足夠的啟動(dong)轉矩，保證泵能正常啟動(dong)。
2.在滿足啟(qi)動(dong)轉矩(ju)的要求(qiu)(qiu)下，啟(qi)動(dong)電(dian)流越小越好(hao)。要求(qiu)(qiu)啟(qi)動(dong)平穩，減小對(dui)泵機械結構(gou)的沖擊。
3.啟動(dong)電流對電網沖擊越(yue)小越(yue)好，啟動(dong)設(she)備安全可(ke)靠，操作方便(bian)。
4.啟動過程中損耗(hao)越(yue)(yue)小越(yue)(yue)好。
二(er).化工離心泵自耦減壓啟動
自耦減壓(ya)啟動(dong)(dong)(dong)(dong)是籠(long)型感(gan)應電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)的(de)(de)啟動(dong)(dong)(dong)(dong)方法(fa)之一。其具有電(dian)(dian)路結構緊湊，不(bu)(bu)受(shou)電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)繞組(zu)接線(xian)方式(shi)的(de)(de)限制(zhi)。還可(ke)(ke)按(an)允(yun)許的(de)(de)啟動(dong)(dong)(dong)(dong)電(dian)(dian)流和(he)所需(xu)要的(de)(de)啟動(dong)(dong)(dong)(dong)轉(zhuan)矩(ju)(ju)選用(yong)(yong)不(bu)(bu)同的(de)(de)變壓(ya)器電(dian)(dian)壓(ya)抽頭(tou)，故適用(yong)(yong)于容量較大的(de)(de)電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)。自耦變壓(ya)器的(de)(de)次級設有多個(ge)抽頭(tou)，可(ke)(ke)輸出不(bu)(bu)同的(de)(de)電(dian)(dian)壓(ya)。一般自耦變壓(ya)器次級電(dian)(dian)壓(ya)是初級的(de)(de)40%、65%、80%等(deng)，可(ke)(ke)根(gen)據啟動(dong)(dong)(dong)(dong)轉(zhuan)矩(ju)(ju)需(xu)要選用(yong)(yong)。這種啟動(dong)(dong)(dong)(dong)方式(shi)是在(zai)定子串電(dian)(dian)阻或電(dian)(dian)抗(kang)器的(de)(de)降壓(ya)啟動(dong)(dong)(dong)(dong)方式(shi)，此方式(shi)只適用(yong)(yong)于空載(zai)或輕載(zai)啟動(dong)(dong)(dong)(dong)的(de)(de)場合。
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