如何檢查立式深井水泵用電動機的接線
①檢查電動(dong)機的(de)接(jie)線前,應(ying)先(xian)在電動(dong)機油(you)(you)(you)室中(zhong)(zhong)加注(zhu)潤滑油(you)(you)(you):旋下加油(you)(you)(you)孔(kong)油(you)(you)(you)塞,從加油(you)(you)(you)孔(kong)中(zhong)(zhong)加入10號機械油(you)(you)(you)至油(you)(you)(you)標指示(shi)的(de)中(zhong)(zhong)間位(wei)置。嚴禁電動(dong)機無(wu)油(you)(you)(you)運轉或過量加油(you)(you)(you)。
②電動機機座應(ying)妥善可靠接地。
③按照該電動機(ji)的規(gui)定(ding)接線方法,正確進行定(ding)子繞組的接線。
④檢查電動(dong)(dong)機(ji)的轉(zhuan)向(xiang),正確的轉(zhuan)向(xiang)為(wei):當電源相序與電動(dong)(dong)機(ji)相序相反時,從(cong)電動(dong)(dong)機(ji)頂端(duan)視(shi)之,其(qi)旋轉(zhuan)方向(xiang)應為(wei)逆(ni)時針(zhen)方向(xiang)。
⑤電動機(ji)控制裝(zhuang)(zhuang)置(zhi)一般(ban)應有過電流(liu)保(bao)(bao)(bao)護、短(duan)路保(bao)(bao)(bao)護裝(zhuang)(zhuang)置(zhi)或過熱保(bao)(bao)(bao)護裝(zhuang)(zhuang)置(zhi),應根據電動機(ji)的(de)額定電流(liu)值調節好保(bao)(bao)(bao)護裝(zhuang)(zhuang)置(zhi)的(de)電流(liu)。