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起重机变频器的常见故障分析与处理

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起重机变频器的常见故障分析与处理

发布日期:2018-09-18 作者: 点击:

起重机变频器的常见故障分析与处理

随着变频技术的日益发展,起重机变频器立博体育速系统相对传统的继电器、接触器控制系统有了较高的性价比,使变频器在起重机上的应用不断增长。简要介绍了变频器在起重机的应用过程中易出现的故障及相应原因,并针对具体原因提出了解决办法,对今后在起重机变频调速系统的调试和维护方面具有一定的借鉴意义。

BIANPINQIDEGUZHANGZHENDUANYICHENGWEIQIZHONGJIDIANKONGXITONGGUZHANGZHENDUANDEZHONGYAOZUCHENGBUFENZHIYI。BIANPINQICHANSHENGGUZHANGDEYINSU,YOUYINGJIANFANGMIANDE,YEYOUYINSHIYONGWEIHUBUDANGZAOCHENGDE。DUIYUYINGJIANGUZHANG,YAOTONGGUOJIANCEZHAODAOGUZHANGJIANBINGJINXINGXIUFUHUOGENGHUAN。TONGCHANGCHAZHAOZHONGDIANFANGZAII/OKUOZHANMOKUAI、JIEXIANDUANZIDENGDIFANG。ERDUIYUZHUDIANLUBAN、DIANJIKONGZHIHEI/OBAN、KONGZHIPANDEDIANLU,YOUYUQIJICHENGDUJIGAOQIEYUQITADIANLUZHIJIANDOUYOUKEKAODEGELICUOSHI,YINCIGUZHANGLVJIAODI,JISHIFASHENGGUZHANG,XIANCHANGTIAOJIANHECHANGGUISHOUDUANYENANYIJIANCE,ZHINENGYUGONGYINGSHANGLIANXI,RUOYOUWENTIZEYAOGENGHUANDIANLUBAN。DUIYUSHIYONGWEIHUFANGMIANDEWENTI,YINGYIBIANPINQIZIZHENDUANHUOBAOHUGONGNENGDONGZUOSHIXIANSHIDEXINXIWEIXIANSUO,DUIZHAODIANQIYUANLITUHEQITAXIANGGUANTUZHI,JINXINGFENXI,CAIYONGXIANGYINGDEJIANCESHOUDUANZHAODAOGUZHANGDIANBINGXIUFU。 XIAMIANXIAOBIANJIDAJIACHANGJIANDEGUZHANGFENXI,ZHUYAOYOUYIXIAJIGEFANGMIAN:

YI、BIANPINQIWUSHUCHUDIANYA 

SHURUBIANPINQIQIDONGZHILINGHOU,RUBIANPINQIWUSHUCHUDIANYA,KENENGSHIYIXIAYUANYIN: 

1. ZHUHUILUWEIJIETONG。YIZHAOYUANLITU,JIANCHAZHUHUILUTONGDAOZHONGSUOYOUKAIGUAN、RONGDUANQI、JIECHUQIJIDIANLIDIANZIQIJIANSHIFOUWANHAO,DAOXIANJIETOUYOUWUJIECHUBULIANGHUOSONGTUO。 

立博体育2.KONGZHIHUILUJIEXIANYOUCUOWU,BIANPINQIWEIZHENGQUEQIDONG。YIBIANPINQISHUOMINGSHUWEIYIJU,DUIZHAOYUANLITUJIJIEXIANTURENZHENHEDUIKONGZHIHUILUJIEXIAN,ZHAOCHUCUOWUCHUBINGJIAYIJIUZHENG。 

立博体育ER BIANPINQIJIEDIGUZHANG 

1.BIANPINQISHUCHULVBOQIYUBIANPINQIBUPIPEI,ZAOCHENGSHUCHUCEGAOPINDUANLU。 

2.DIANJISHOUCHAOHUOJINSHUIZAOCHENGDIANJIJIEDIDUANLU。 

3.XIANLUSHOUSUNJIEDI。 

SAN、DIANDONGJIBUNENGZHENGCHANGSHENGSU 

1.BIANPINQISHURUXINHAOBUZHENGQUE。DIAOSUDIANWEIQIHUOTULUNCHUDIANJIECHUBULIANG,HUOXIANGGUANYUANJIANSUNHUAI,HUODUANZISONGDONGJIDUANXIAN,SHIBIANPINQIJIDINGZHIBUNENGSHENGGAO,DAOZHIDIANDONGJIBUNENGZHENGCHANGSHENGSU。 

2.JIAOLIUDIANYUANHUOBIANPINQISHUCHUQUEXIANG。DIANYUANQUEXIANGSHIBIANPINQISHUCHUDIANYAJIANGDI,BIANPINQISHUCHUQUEXIANGZAOCHENGSANXIANGDIANYABUDUICHENGCONGERCHANSHENGFUXUZHUANJU,DOUHUISHIDIANDONGJIDIANCIZHUANJUBIANXIAO,BUNENGQUDONGFUZAIJIASU。CISHIYINGJIANCHARONGSIYOUWURONGDUAN,DAOXIANJIETOUYOUWUSONGLUODUANLU,NIBIANQIAOJINGZHAGUANSHIFOUSUNHUAIHUOYOUWUCHUFAMAICHONGDENGXIANXIANG。 

3.变频器参数中频率或电流设定值偏小。如果频率设定在低值点上,频率就会受到限制而无法升高,电机不能高速运转。如果电流设定值偏小,则产生转矩的能力就会被限制,使电动机不能加速。若电流设定值已达变频器的大值,则可能是变频器容量偏小,需要更换更大容量的变频器。若为闭环矢量控制,起重机变频器立博体育则可能自学习不成功,在轻载时工作正常,重载时由于特性差而不能加速。此时应检查电机参数输入是否正确并再次自学习。 

SI、JIGOUYUNZHUANBUWENHUOBUNENGPINGHUADIAOJIE 

ZHEIZHONGGUZHANGCHUXIANWUGUILVXINGQIEDUOWEIDUANZANXING。ZHUYAOYOUYIXIAQINGKUANG: 

立博体育1.DIANYUANWEILINSHIDIANYUAN,TONGSHIXIANCHANGDIANHANJIDENGZHONGDUOSHEBEIGONGZUOWUGUILV,ZAOCHENGDIANYABUWENDING,SHIJIGOUGONGZUOYEBUWENDING。 

2.FUZAIBUZHENGSHI、BUWENDING。 

3.WAIJIEZAOYINSHIBIANPINQIXINHAOSHOUGANRAOBIANHUA。YINGKAOLVSHIYONGPINGBIDIANLAN,HUOZENGSHEJINXIANLVBOQIDENGCUOSHI。 

WU、GUODIANLIUGUZHANG 

DUIYUBIANPINQIZAIDIAOSHIYUSHIYUNXINGQIJIANCHUXIANGUODIANLIUGUZHANG,KECONGDIANYUAN、FUZAI、BIANPINQI、ZHENDANGGANRAODENGFANGMIANZHAOYUANYIN。 

立博体育1.DIANYUANDIANYACHAOXIANHUOQUEXIANG。DIANYACHAOXIANYINGANSHUOMINGSHUGUIDINGDEFANWEIJINXINGDIAOZHENG。WULUNDIANYUANQUEXIANGHUOBIANPINQIQUEXIANG,DOUHUIDAOZHIDIANDONGJIZHUANJUJIANXIAOERGUOLIU。 

立博体育2.FUZAIGUOZHONGHUOFUZAICEDUANLU。ZHONGDIANJIANCHAJIZUYOUWUYISHENG、ZHENDONGHEKAZHIXIANXIANG,SHIFOUYINGONGYITIAOJIANHUOCAOZUOFANGFADEGAIBIANERZAOCHENGCHAOZAI。FUZAICEDUANLUHUOJIEDI,KEYONGZHAOOUBIAOJINXINGJIANCE。NIBIANQITONGYIQIAOBEIDELIANGZHIJINGTIGUANTONGSHIDAOTONGYEHUIXINGCHENGDUANLU。 

立博体育3.BIANPINQISHEDINGZHIBUHESHI。YISHIDIANYAPINLVQUXIANZHONGDIANYATISHENGDAYUPINLVTISHENG,POHUAILEU1/f iDEBILIGUANXI,ZAOCHENGDIPINGAOYAERGUOLIU;ERSHIJIASUSHIJIANGUODUAN,SUOXUJIASUZHUANJUGUODAERZAOCHENGGUOLIU;SANSHIJIANSUZHIDONGSHIJIANSHEDINGGUODUAN,JIZUXUNSUZAISHENGFADIANHUIKUIJIZHONGJIANHUILU,ZAOCHENGZHONGJIANHUILUDIANYAGUOGAOHEZHIDONGHUILUGUOLIU。 

4.ZHENDANGGUOLIU。YIBANZAIYIMOUZHUANSU(PINLV)YUNXINGSHIFASHENG。ZHUYAOYUANYINYOULIANGGE:YISHIDIANQIPINLVYUJIXIEPINLVFASHENGGONGZHEN;ERSHICHUNDIANQIHUILUYINQIRUGONGLVKAIGUANGUANDESIQUKONGZHISHIJIAN,ZHONGJIANZHILIUHUILUDIANRONGDIANYADEBODONG,DIANDONGJIZHIHOUDIANLIUDEYINGXIANGJIWAIJIEGANRAOYUANDEGANRAODENG。DUIYUYIZHONGQINGKUANG,JIANGDIZAIBOPINLVKENENGJIANXIAOGONGZHEN。ZAIZHAOCHUFASHENGGONGZHENDEPINLVFANWEIHOU,LIYONGTIAOYUEPINLVGONGNENGTIAOGUOGAIGONGZHENPINLV。ZHIDEZHUYIDESHI,SHIYONGBIANPINQIQUDONGDAGUANLIANGRUDACHEJIGOUSHI,CHANGYOUYIGEBIANPINQIQUDONGDUOGEDIANJI,CAIYONGV/fKONGZHIFANGSHI。DANGYAOQIUZHIDONGJIAOKUAISHI,ZEWANGWANGCHUXIANDACHEQIDONGZHENDONGJULIE,TONGSHICHANGBANYOUBIANPINQIGUOLIU。ZHEIYUJIXIECHUANDONGHUILUJIANXICHENGZHENGBIYOUHENDAGUANXI。YINCI,YINGZAIJIXIEJIANSHAOJIANXIDETONGSHICAIQUJIANZHENCUOSHI。DACHEDIANJIXUANFUKEBAIDONGANZHUANGJIUSHIZHEIYISHILIDECHENGGONGYINGYONG。 

起重机变频器


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关键词:起重机变频器,变频器,起重机变频器厂

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