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变频器过流常见故障的缘故和解决方式

来源: 时间:2021-01-14 16:09:41 次数:

变频器赢过电流量维护的目标关键指含有突然变化特性的、电流量的最高值超出了过电流量参考值(约额定电压的200%),变频器显示信息OC表明过电流量,因为逆变电源件的负载工作能力较弱,因此软启动器的过电流量维护是尤为重要的一环。

变频器赢过电流量维护的目标关键指含有突然变化特性的、电流量的最高值超出了过电流量参考值(约额定电压的200%),变频器显示信息OC表明过电流量,因为逆变电源件的负载工作能力较弱,因此软启动器的过电流量维护是尤为重要的一环。 


一、变频器过电流常见故障的根本原因 过电流量常见故障可分成加快、降速、恒频过电流量。其可能是因为软启动器的加减速时间过短、负荷产生突然变化、负载分派不匀,輸出短路故障等缘故造成的。这时候一般 可根据增加加减速时间、降低负载的突然变化、另加耗能制动系统元器件、开展负载分派设计方案、对路线开展查验等来处理。假如断掉负荷软启动器還是过电流常见故障,表明软启动器逆变电源 电源电路已坏,必须拆换软启动器。

依据软变频器显示信息,可从下列几层面找寻缘故: 


(1)GONGZUOSHANGGUODIANLIULIANG,JITUOZHUAIXITONGRUANJIANZAIGONGZUOZHONGQUANGUOCHENGZHONGCHUXIANGUODIANLIULIANG。QIYUANGUDAGAIYOUXIALIEJICENGMIAN: YISHIDIANJIPENGDAOCHONGJIXINGFUHEHUOCHUANZHUGUANYINSUGOUZAOCHUXIAN“KASI”ZHUANGKUANG,ZAOCHENGDIANJIDIANLIULIANGDEHURANTISHENG; ERSHIRUANQIDONGQISHUCHUCECHANSHENGDUANLUGUZHANG,RUSHUCHUDUANDAODIANJIZHONGJIANDEDIANJILIANJIEXIANCHANSHENGHUXIANGDUANLUGUZHANG,HUODIANJINEIBUCHANSHENGDUANLUGUZHANGDENG、JIEDIZHUANGZHI(DIANDONGJISUNHUAI、JUEYUANCENGLIEBIAN、DIANLANXIANSUNHUAIERZAOCHENGDECHUPENG、JIEDIZHUANGZHIDENG) SANSHIRUANQIDONGQIBENSHENGONGZUOZHONGYICHANG,RUNIBIANDIANYUANQIAOZHONGTONGYIDIANGANDEZUOYONGDE2GENIBIANDIANYUANJIANZAICHIXUGENGTIDEGONGZUOZHONGQUANGUOCHENGZHONGFAXIANYICHANG。RUGONGZUOWENDUGUOGAO,HUONIBIANDIANYUANDIANZIQIJIANZISHENCUIHUADENGYUANGU,SHINIBIANDIANYUAN DEZHUYAOCANSHUCHANSHENGBIANHUA,ZAOCHENGZAIGENGTIQUANGUOCHENGZHONG,YIGEYUANQIJIANZAOYITONGDUAN,ERLINGYIGEYUANQIJIANQUEHAIWEIDOUHAIMEIGUANBI,ZAOCHENGTONGYIGEDIANGANDEZUOYONGDESHANG、XIA2GEYUANQIJIANDE“ZHIDA”,SHIJIAOLIUDIANYADEZHENG、FUJI JIANCHUZAIDUANLUGUZHANGQINGKUANG。


(2)SHENGSU、JIANSUSHIGUODIANLIULIANG:DANGFUHEDEGUANXINGLIHENDA,ERSHENGSUSHIJIANHUOJIANSUSHIJIANYOUSHEZHIDETAIDUANSHIJIAN,YEHUIZAOCHENGGUODIANLIULIANG。ZAISHENGSUQUANGUOCHENGZHONG,RUANQIDONGQISHUCHUGONGLVSHENGGAOTAIKUAI, DIANJIDETONGBUZHUANSUBIKUAISUSHENGGAO,ERDIANJIDIANJIZHUANZIDEZHUANSUBIYINFUHEGUANXINGLIHENDAERWUFAGENSHANGQU,JIEGUOSHISHENGSUDIANLIULIANGHENDA;ZAIJIANSUQUANGUOCHENGZHONG,JIANSUSHIJIANGUODUAN,TONGBUZHUANSUBIKUAISUJIANGDI,ERDIANJI DIANJIZHUANZIYINFUHEDEGUANXINGLIDA,RENGBAOCHIJIAOGAODEZHUANSUBI,ZHEISHIHOUYIYANGNENGGOUSHIDIANJIZHUANZIRAOZUJIGUANGQIEGECIGANXIANDESULVHENDAERZAOCHENGGUODIANLIULIANG。

 二、软启动器过电流常见故障的解决方式 


(1)QIDONGSHIYISHENGSUJIUTIAODIAN,TASHIGUODIANLIULIANGSHIFENBIJIAOYANZHONGDEZHUANGKUANG,GUANJIANCHAYAN: AGONGZUOZHONGJIXIESHEBEISHIFOUYOUKASI; BFUHECESHIFOUYOUDUANLUGUZHANG,YONGZHAOOUBIAOCHAYANDUIDISHIFOUYOUDUANLUGUZHANG; l RUANQIDONGQIGONGLVMOKUAISHIFOUYOUHUIHUAI; C DIANJIDEDIANDONGJINIUJUGUOXIAO,TUOZHUAIXITONGRUANJIANZHUANBUQILAI。 


(2)QIDONGSHIBULIKETIAODIAN,ERZAIYUNZUOQUANGUOCHENGZHONGTIAODIAN,GUANJIANCHAYAN: SHENGSUSHIJIANSHEZHIGUODUAN,YANZHANGJIAKUAISHIJIAN; l JIANSUSHIJIANSHEZHIGUODUAN,YANZHANGJIANSUSHIJIAN; ZHUANJUPEICHANG(u/fBI)SHEZHIHENDA,ZAOCHENGDIPINSHIMANZAIDIANLIULIANGGUODA; DIANZIQIJIANREJIQIZHENGDINGZHIBUSHAN,ZISHIDIANLIULIANGSHEZHIDEHENXIAO,ZAOCHENGRUANQIDONGQICUOWUCAOZUO。 ZUIZHONGTISHI,JIARUSHANGMIANDEFANGSHIDOUBUKEYIJIEJUEKUNNAN,NEIBIANSHIRUANQIDONGQIYINGJIANPEIZHIDIANYUANDIANLUHUAIDIAO,YIBANSHIGUANGOUDIANLUHUOSHIKONGZHIMOKUAIYOUSHENMEWENTI,CHAIHUANGUANGDIANOUHEQIHUOSHIIGBTDABUFENNENGGOUJIEJUEKUNNAN。

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