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jzo型振動(dòng)電機的振動(dòng)頻率是多少？

jzo型振動(dòng)電機的振動(dòng)頻率是多少?振動(dòng)頻率是什么意思?作為振動(dòng)馬達用的振動(dòng)頻率,為50赫茲,為合適的頻率,一臺電機的振動(dòng)速度為多少?為什么要...

單相電機電容啟動(dòng)與充放電有關(guān)系嗎？

單相電機電容啟動(dòng)與充放電有關(guān)系嗎?啟動(dòng)原理:當單相正弦電流通過(guò)定子繞組時(shí),電機就會(huì )產(chǎn)生一個(gè)交變磁場(chǎng),這個(gè)磁場(chǎng)的強弱和方向隨時(shí)間作正弦規律變化...

三相電機改單相電機功率小什么毛??？

三相電機改單相電機功率小什么毛病?三相異步電動(dòng)機運行3種負荷怎么計算呢?1.對于單相水泵電機,如何計算負荷,其平衡度不能超過(guò)每分鐘,估算電流...

單相電機通電后電線(xiàn)發(fā)熱是什么原因？

單相電機通電后電線(xiàn)發(fā)熱是什么原因?這個(gè)問(wèn)題是日常工作中比較常見(jiàn)的,但是如果通電后,某些情況下,我們會(huì )發(fā)現電機發(fā)出的奇異響聲特別大,但是我們并...

變頻器起動(dòng)時(shí)電機出現震動(dòng)什么原因？

變頻器起動(dòng)時(shí)電機出現震動(dòng)什么原因?究其原因,其實(shí)都是從外界的振動(dòng),而引起的振動(dòng),多數是來(lái)自變頻器的型號參數設置不當引起的,下面我們先看一下電...

伺服電機什么情況下要外接制動(dòng)電阻？

伺服電機什么情況下要外接制動(dòng)電阻?有很多情況,老電工師傅都知道,制動(dòng)電阻壞了,電機長(cháng)時(shí)間制動(dòng)電阻可能會(huì )變大,電機的再生制動(dòng)可能會(huì )消耗電能,引...

單相變頻器如何控制單相電機正反轉？

單相變頻器如何控制單相電機正反轉第一種:加一個(gè)單相變頻器變頻器輸入單相220伏電源,輸出220伏三相電。需要注意的一點(diǎn)就是需要把原來(lái)380伏...

220伏的單相電機正反轉如何接線(xiàn)？

220伏的單相電機正反轉如何接線(xiàn)?對于單相220伏電源的任意兩相電機,只需要將其接在三相繞組的任意兩相上,便可以產(chǎn)生一個(gè)反轉力矩,因此,電機...

單相電機只能正轉不能反轉怎么回事？

單相電機只能正轉不能反轉怎么回事?三相電機作為單相運行有兩個(gè)繞組,即一個(gè)為起動(dòng)繞組,也被稱(chēng)為副繞組;另一個(gè)為工作繞組,也被稱(chēng)為主繞組;對于需...

三相電機改單相電相機的電容怎么算？

三相電機改單相電相機的電容怎么算?有的朋友看一下,對于單相電機的接線(xiàn)圖,可能有的朋友看不懂,我們簡(jiǎn)單分析一下。從上圖中可知,我們能夠分清單相...

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