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异步电动机绕组损坏的原因及处理办法

   日期:2020-04-02     浏览:231    评论:0    
核心提示:​三相异步电动机可分为笼式和绕线式两种。笼式转子的异步电动机结构简单、运行可靠、重量轻、价格便宜,得到了广泛的应用。绕线式三相异步电动机的转子和定子一样也设置了三相绕组并通过滑环、电刷与外部变阻器连接。调节变阻器电阻可以改善电动机的起动性能和调节电动机的转速。

三相异步电动机可分为笼式和绕线式两种。笼式转子的异步电动机结构简单、运行可靠、重量轻、价格便宜,得到了广泛的应用。绕线式三相异步电动机的转子和定子一样也设置了三相绕组并通过滑环、电刷与外部变阻器连接。调节变阻器电阻可以改善电动机的起动性能和调节电动机的转速。

异步电动机绕组损坏的原因及处理办法

ZAISHENGCHANGUOCHENGZHONGSHIYONGDESANXIANGYIBUDIANDONGJI,OUERKENENGHUIYUDAOYIXIEGUZHANGWENTI。ZAIZHEIXIEGUZHANGZHONG,RAOZUSHAOHUAIDEDIANQIGUZHANGYUEWEI85%,JIGOUJIQITAGUZHANGYUEZHAN15%,RAOZUSHAOHUAIDEYUANYINDUOWEIQUEXIANGYUNXINGHUOGUOZAIYUNXING、RAOZUJIEDIJIRAOZUXIANGJIANHUOZAJIANDUANLU。QICISHIDING、ZHUANZIMOCA、DUANTIAODENGJIXIEFANGMIANDEYUANYIN。WOMENJIUZHANZAIDIANQIDEJIAODU,LAIFENXIDIANJIRAOZUSHAOSUNDEGUZHANGYUANYIN,BINGTICHUYIXIEXIANGYINGDECHULIFANGFA。

一、缺相运行

1、 GUZHANGXIANXIANG

DIANJIWUFAQIDONG,JISHIKONGZAINENGQIQIDONG,ZHUANSUMANMANSHANGSHENG,YOUWENGWENGSHENG;DIANJIMAOYANFARE,BINGBANYOUSHAOJIAOWEI。

2、 JIANCHAJIEGUO

四川快乐12CHAIXIADIANJIDUANGAI,KEYIKANDAORAOZUDUANBUYOU1/3HUO2/3DEJIXIANGRAOZUHUOBIANJIAOHUOBIANCHENGSHENZONGSE。

四川快乐123、GUZHANGYUANYINJICHULIFANGFA

(1)DIANDONGJIGONGDIANHUILURONGSIHUILUJIECHUBULIANGHUOSHOUJIXIESUNSHANG,DAOZHIMOUXIANGRONGSIRONGDUAN。

(2)DIANDONGJIGONGDIANHUILUSANXIANGRONGSIGUIGEBUTONG,RONGLIANGXIAODERONGSISHAODUAN。YINGGENJUDIANDONGJIGONGLVDAXIAO,GENGHUANWEIGUIGEXIANGTONGDERONGSI。

四川快乐12(3)DIANDONGJIGONGDIANHUILUZHONGDEKAIGUAN(GELIKAIGUAN、JIAOGAIKAIGUANDENG)JIJIECHUQIDECHUTOUJIECHUBULIANG(SHAOSHANGHUOSONGTUO)。XIUFUBINGDIAOZHENGDONG、JINGCHUTOU,SHIZHIJIECHULIANGHAO。

(4)XIANLUMOUXIANGQUEXIANG。CHACHUDUANXIANCHU,BINGLIANJIELAOGU。

四川快乐12(5)DIANDONGJIRAOZULIANXIANJIANXUHAN,DAOZHIJIECHUBULIANG。RENZHENJIANCHADIANDONGJIRAOZULIANJIEXIANBINGHANLAO。

二、过载运行

1、GUZHANGXIANXIANG

DIANDONGJIDIANLIUCHAOGUOEDINGZHI;DIANDONGJIWENSHENGCHAOGUOEDINGWENSHENG。

2、 JIANCHAJIEGUO

DIANJISANZURAOZUQUANBUSHAOHUI;ZHOUCHENGWURUNHUAZHIHUOSHAJIASUNHUAI;DING、ZHUANZITIEXINXIANGMOCA,SUCHENGSAOTANG。

四川快乐123、GUZHANGYUANYINJICHULIFANGFA

(1)FUZAIGUOZHONGSHI,YAOKAOLVSHIDANGJIANZAIHUOGENGHUANRONGLIANGHESHIDEDIANDONGJI。

四川快乐12(2)DIANYUANDIANYAGUOGAOHUOGUODI,XUJIAZHUANGSANXIANGDIANYUANWENYABUCHANGJU。

(3)DIANJIZHANGQIYANZHONGSHOUCHAOHUOYOUFUSHIXINGQITIQINSHI,JUEYUANDIANZUXIAJIANG。YINGGENJUJUTIQINGKUANG,JINXINGDAXIUHUOGENGHUANTONGRONGLIANG、TONGGUIGEDEFENGBIDIANDONGJI。

(4)ZHOUCHENGQUEYOU、GANMOHUOZHUANZIJIXIEBUTONGXIN,DAOZHIDIANDONGJIZHUANZISAOTANG,SHIDIANDONGJIDIANLIUCHAOGUOEDINGZHI。SHOUXIANYINGRENZHENJIANCHAZHOUCHENGMOSUNQINGKUANG,RUOBUHEGEXUGENGHUANXINZHOUCHENG;QICI,QINGXIZHOUCHENGBINGZHURUSHILIANGRUNHUAZHI。RANHOUJIANCHADIANDONGJIDUANGAI,RUODUANGAIZHONGXINKONGYINMOSUNZHISHIZHUANZIBUTONGXIN,YINGDUIDUANGAIJINXINGCHULIHUOGENGHUAN。

四川快乐12(5)JIGOUCHUANDONGBUFENFASHENGGUZHANG,DAOZHIDIANDONGJIGUOZAIERSHAOHUAIDIANJIRAOZU。JIANCHAJIXIEBUFENCUNZAIDEGUZHANG,CAIQUCUOSHICHULIJIEJUE,SHIZHIZHUANDONGLINGHUO。

三、绕组接地

1、GUZHANGXIANXIANG

DIANJIKONGZAIWUFAQIDONG;DIANDONGJIGONGDIANHUILURONGSIRONGDUANHUOKAIGUANTIAOZHA。

2、 JIANCHAJIEGUO

DINGZICAOKOURAOZUHETIEXINYOUSHAOSHANGHENJI,BINGYOUTONGRONGDIAN;CAONEIRAOZUYUTIEXINJICHUAN;RAOZUYINCHUXIANWAIPIJUEYUANSUNHUAI。

四川快乐123、 GUZHANGYUANYINJICHULIFANGFA

四川快乐12(1)DIANDONGJIZAIXIUFUSHI,SAIRUZHUXIEBUZHUYI,SHICAOKOURAOZUJUEYUANPOHUAI;ZHUXIENIANJIULAOHUA,JUEYUANBULIANG。YINGANDIANJIXIAXIANGONGYITIAOXUANYOUZHIZHUXIE,BINGZUOHAOJUEYUANCHULI。XIAXIANSHIZHUYIBUYAOSHIZHUXIEHUASHANGDAOXIAN。

(2)DUIYUZHANGQISHOUCHAOHUOZAIFUSHIXINGQITIZHONGGONGZUODEDIANDONGJI,YINGGENGHUANWEIFENGBIXINGDIANDONGJI。

(3)KAIQISHIDIANDONGJIYINJINSHUHUOJINSHUQIEXIEJINRUDIANDONGJINEISHIRAOZUJUEYUANPOHUAI。DUICI,YINGZAIDIANJIZHOUWEIJIASHEFANGHUWANGHUOFANGHUBAN。

四川快乐12(4)ZHUANZIPINGHENGKUAISONGDONGHUOTUOLUO,GUAPODIANDONGJIRAOZUJUEYUAN。YINGJIANGPINGHENGKUAIZHONGXINDIAOZHENGHAOFANGWEIBINGGUDINGZHU,BINGCHULIHAORAOZUPOSUNCHU。

(5)ZHENDUIWUBILEIQIHUOBILEIQISHIXIAODE,YINGGAIJIASHEBILEIQIHUOZHONGXINXIAOYANBILEIQI。

四、绕组相间短路

1、GUZHANGXIANXIANG

DIANJIWUFAQIDONG;DIANJIGONGDIANHUILURONGSIRONGDUANHUOKAIGUANTIAOZHA;DIANJIRAOZUMAOYAN,YOUSHAOJIAOWEI。

2、 JIANCHAJIEGUO

四川快乐12XIANGJIANDUANLUBUWEIDEDUOGUDAOXIANSHAODUAN,QIZHOUWEIYOUTONGRONGDIAN。

3、 GUZHANGYUANYINJICHULIFANGFA

(1)DUIYUXIAXIANSHIDAOXIANBIAOMIANJUEYUANHUASHANGHUORAOZUDUANBUJUEYUANBUHAODEDIANDONGJI,YINGJIANGSHAOSHANGDEDAOXIANTIAOKAI,QINGLIHOUHANHAO,BINGBAOHAOJUEYUANYAPING,XIARUCAOHOUSHUASHANGJUEYUANQIBINGHONGGAN。RUOWUFAXIUFUSHI,YINGANYUANSHUJUZHONGRAO。

(2)RAOZUJIANLIANXIANJIYINYONGXIANDETAOGUANBIXUYUDIANDONGJIRAOZUDEJUEYUANDENGJIXIANGSHIYING,LIANXIANDEJUEYUANTAOGUANYINGBIHANDIANZHANG15~25mm。

五、绕组匝间短路

1、GUZHANGXIANXIANG

四川快乐12DIANJIZAIYUNZHUANZHONGMAOYAN,JUBUWENSHENGGUOGAO,BINGCHUXIANSHAOJIAOWEI。

2、JIANCHAJIEGUO

DIANDONGJISANXIANGDIANLIUBUPINGHENG;JIZAHUOYIGEXIANQUANBIANCHENGLUOXIAN。

四川快乐123、GUZHANGYUANYINJICHULIFANGFA

四川快乐12(1)SHAOHUAIJIZAHUOYIGEXIANQUANSHI,RUOCAOMANLVBUGAO,KEJINXINGCHUANRAOXIULI。

(2)QIYUBUFENCANJIANDI4XIANGCHULIFANGFA。

JISHIFAXIANBINGXUNSUPAICHUDIANQISHEBEIGUZHANG,NENGGOUYUFANGSHIGUDEFASHENG,QUEBAOSHENGCHANSHUNLIJINXING。YINCI,BIXUANZHAOGUIDINGDINGQIJIANCHAHEWEIHUDIANQISHEBEI,ZHUNQUEPANDUANHECHULIDIANQISHEBEIDEYUNXINGGUZHANG,JIANSHAOSHEBEISHIGUDESUNSHI,BAOZHENGSHENGCHANNENGGOUZHENGCHANGDEJINXING。

 


 
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