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- 電機星三角降壓啟動接線注意事項
- 發布日期:2021年09月30日 點擊次數:10 所屬分類:技術資料
第一,接線的(de)時候(hou),先(xian)將(jiang)定子(zi)接(jie)線柱(zhu)上的(de)(de)三(san)個(ge)連(lian)接(jie)片(pian)拆了,還真有好多新手問我用(yong)不用(yong)拆這三(san)個(ge)連(lian)接(jie)片(pian)的(de)(de)。也真有人說沒拆連(lian)接(jie)片(pian),結果(guo)一(yi)啟動就短路放炮(pao)的(de)(de)。要知道,星形接(jie)法和角(jiao)形接(jie)法(fa)接(jie)觸器(qi)就是(shi)用(yong)來代替這(zhe)三個連接(jie)片的。
第(di)二(er),就是(shi)(shi)星(xing)(xing)三角(jiao)(jiao)降壓(ya)(ya)(ya)啟(qi)(qi)動的(de)電(dian)(dian)(dian)(dian)(dian)機(ji)必須(xu)是(shi)(shi)角(jiao)(jiao)形接(jie)(jie)法(fa)(fa)的(de)電(dian)(dian)(dian)(dian)(dian)機(ji),星(xing)(xing)形接(jie)(jie)法(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)無法(fa)(fa)用(yong)形星(xing)(xing)三角(jiao)(jiao)降壓(ya)(ya)(ya)啟(qi)(qi)動。因為星(xing)(xing)形接(jie)(jie)法(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)每(mei)(mei)相(xiang)(xiang)繞組(zu)(zu)額(e)定電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)是(shi)(shi)220伏(fu)(fu)(fu),角(jiao)(jiao)形接(jie)(jie)法(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)每(mei)(mei)相(xiang)(xiang)繞組(zu)(zu)額(e)定電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)是(shi)(shi)380伏(fu)(fu)(fu)。星(xing)(xing)三角(jiao)(jiao)降壓(ya)(ya)(ya)啟(qi)(qi)動,啟(qi)(qi)動時是(shi)(shi)星(xing)(xing)形接(jie)(jie)法(fa)(fa),這(zhe)個時候,電(dian)(dian)(dian)(dian)(dian)機(ji)每(mei)(mei)相(xiang)(xiang)繞組(zu)(zu)承受(shou)的(de)是(shi)(shi)220V電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya),切換為角(jiao)(jiao)形連(lian)接(jie)(jie)以后每(mei)(mei)相(xiang)(xiang)繞組(zu)(zu)承受(shou)的(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)變為了380伏(fu)(fu)(fu)。本(ben)身(shen)就是(shi)(shi)角(jiao)(jiao)形接(jie)(jie)法(fa)(fa)的(de)電(dian)(dian)(dian)(dian)(dian)機(ji),繞組(zu)(zu)額(e)定電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)是(shi)(shi)380伏(fu)(fu)(fu),你先讓(rang)它(ta)承受(shou)220V,那也(ye)沒問題(ti)。但本(ben)身(shen)是(shi)(shi)星(xing)(xing)形接(jie)(jie)法(fa)(fa)的(de)電(dian)(dian)(dian)(dian)(dian)機(ji),繞組(zu)(zu)額(e)定電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)是(shi)(shi)220伏(fu)(fu)(fu),你讓(rang)它(ta)承受(shou)380伏(fu)(fu)(fu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya),不是(shi)(shi)就燒了嘛。所以一定要注意這(zhe)個問題(ti)。當然,星(xing)(xing)形接(jie)(jie)法(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)一般功率(lv)都(dou)比(bi)較小,也(ye)用(yong)不著什(shen)么(me)星(xing)(xing)三角(jiao)(jiao)降壓(ya)(ya)(ya)啟(qi)(qi)動。- 相關標簽:電加熱設備
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