1746-IH16 1746-IH16
小型號異步電動機定子繞組通常用高強度漆包線(銅線或鋁線)繞制成各種線圈后,在嵌放在定子鐵芯槽內(nèi)。大中型電動機則用各種規(guī)格的銅條經(jīng)過絕緣處理后,再嵌放在定子鐵芯槽內(nèi)。為了保證繞組的各導電部分與鐵芯之間的可靠絕緣以及繞組本身之間的可靠絕緣,故在定子繞組制造過程中采取了許多絕緣措施,三相異步電動機定子繞組的主要絕緣項目有以下三種:
對地絕緣:定子繞組整體與定子鐵心之間的絕緣。
【公 司】: 廈門泰尼電氣有限公司
【主 營】: AB、GE、施耐德等各類PLC產(chǎn)品
【價 格】: 電議
【發(fā)布人】: 張亮
【電 話】: 18030028083
【所在地】: 福建 - 廈門
【座 機】: 0592-6809819
【來 源】: 供應信息 > 電工、電氣 > PLC
【Q Q】: 2314094943
相間絕緣:各相定子繞組之間的絕緣。
匝間絕緣:每相定子繞組各線匝之間的絕緣。
定子三相繞組的槽內(nèi)嵌放完畢后共有六個出線端引到電動機機座的接線盒內(nèi),可按需要將三相繞組接成星形接法(Y接)或三角形接法(△接),如右圖所示。
機座:它的作用是固定定子鐵芯和定子繞組,并以兩個端蓋支撐轉(zhuǎn)子,同時起保護整臺電動機的電磁部分和散發(fā)電動機運行中產(chǎn)生的熱量,一般是鐵或鋁鑄造而成。
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