电机空载电流波动很大是什么原因

作者:平孟令 | 发布日期:2021-03-30 16:29:27

dian dong ji xiu li hou kong zai dian liu da de wu ge yuan yin 1 、qi xi zeng da zhu yao yuan yin shi :you yu dian ji zhuan zi chang qi zai han you yi ding za zhi de tong feng kong qi zhong xuan zhuan ,zao shou kong qi zhong za zhi 、fen chen de mo sun er shi qi xi zeng " 电动机修理后空载电流大的五个原因1 、气隙增大主要原因是:由于电机转子期在含有一定杂质的通风空气中旋转,遭受空气中杂质、粉尘的磨损而是气隙增

zao cheng dian dong ji kong zai dian liu guo da de yuan yin you dian yuan dian ya tai gao , dang dian yuan dian ya tai gao shi , dian dong ji tie xin hui chan sheng ci bao he xian xiang , dao zhi kong zai dian liu guo da 。dian dong ji zai xiu li hou zhuang pei bu dang huo kong xi guo da 。ding zi rao zu za shu bu gou huo xing xing jie xian wu jie cheng san jiao xing jie xian 。dui yu yi xie jiu dian dong ji " ding zi rao zu qi dong dian liu hen da ,ke da e ding zhi de 4 ~ 7 bei 。wei shen me hui you zhe me da de qi dong dian liu ne " dian dong ji kong zai dian liu guo da de yuan yin you ru xia ji zhong :① 、dian yuan dian ya tai gao :dang dian yuan dian ya tai gao "

fang bao dian ji de kong zai dian liu guo da ke neng shi you yi xia yuan yin yin qi de : 1 . dian ya wen ti : ru guo dian ji de gong dian dian ya gao yu e ding dian ya , na me ta hui chan sheng geng duo de dian liu , ji shi zai wu fu zai qing kuang xia ye hui ru ci 。zhe ke neng shi dian wang dian ya sheng gao huo dian ya bu wen ding yin qi de 。guo gao de dian ya jiang dao zhi dian ji xiao hao geng duo de dian liu , yin ci kong zai dian liu zeng da 。2 . dian ji nei bu wen ti : dian ji nei bu ke neng cun zai wen ti , ru rao zu gu zhang 、zhuan zi huo ding zi rao zu duan lu 、jue yuan sun huai deng 。zhe xie wen ti hui dao zhi dian ji nei bu de dian zu zeng jia , cong er zeng jia le dian liu liu guo dian ji de zu li , dao zhi kong " 防爆电机的空载电流过大可能是由以下原因引起的: 1.电压问题: 如果电机的供电电压高于额定电压,那么它会产生更多的电流,即使在无负载情况下也会如此。这可能是电网电压升高或电压不稳定引起的。过高的电压将导致电机消耗更多的电流,因此空载电流增大。2.电机内部问题: 电机内部可能存在问题,如绕组故障、转子或定子绕组短路、绝缘损坏等。这些问题会导致电机内部的电阻增加,从而增加了电流流过电机的阻力,导致空

E . you yu gui gang pian lao hua huo fu shi ,shi ci chang qiang du jian ruo huo pian jian jue yuan sun huai er zao cheng kong zai dian liu dian dong ji kong zai dian liu guo da huo bu ping heng guo da de yuan yin ?- song dian xian lu gong - qing gen ju wen ti ,zuo chu zheng que de jie " E.由于硅钢片老化或蚀,使磁场强度减弱或片间绝缘损坏而造成空载电流电动机空载电流过大或不平衡过大的原因?送电线路工-请根据问题,做出正确的解

造成电动机空载电流过大的原因有电源电压太高,当电源电压太高时,电动机铁芯会产生磁饱和现象,导致空载电流过大。电动机在修理后装配不当或空隙过大。定子绕组匝数不够或星形接线误接成三角形接线。对于一些旧电动机定子绕组启动电流很大,可达额定值的4~7倍。为什么会有这么大的启动电流呢电动机空载电流过大的原因有如下几种:①、电源电压太高:当电源电压太高