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變(bian)頻(pin)器(qi)使(shi)用(yong)不(bu)當(dang),不(bu)但(dan)不(bu)能(neng)很(hen)好(hao)地(di)發(fa)揮(hui)其(qi)優(you)良(liang)的(de)功(gong)能(neng),而(er)且(qie)還(hai)有(you)可(ke)能(neng)損(sun)壞(huai)變(bian)頻(pin)器(qi)及(ji)其(qi)設(she)備(bei),或(huo)造(zao)成(cheng)幹(gan)擾(rao)影(ying)響(xiang)等(deng),導(dao)致(zhi)生(sheng)產(chan)不(bu)能(neng)夠(gou)繼(ji)續(xu),造(zao)成(cheng)損(sun)失(shi),接(jie)下(xia)來(lai)儀(yi)器(qi)儀(yi)表(biao)世(shi)界(jie)網(wang)小(xiao)編(bian)為(wei)大(da)家(jia)介(jie)紹(shao)在(zai)使(shi)用(yong)過(guo)程(cheng)中(zhong)怎(zen)麼(me)樣(yang)才(cai)能(neng)避(bi)免(mian)變(bian)頻(pin)器(qi)的(de)故(gu)障(zhang)發(fa)生(sheng)。
減少變頻器軟故障的方法有:1、檢測變頻器過壓、欠壓;2、檢測過流是變頻報警最為頻繁的現象。
tongchang,guodianyabaojingyibanshichuxianzaitingjideshihou,qizhuyaoyuanyinshijiansushijiantaiduanhuozhidongdianzujizhidongdanyuanyouwenti。qianyayeshiwomenzaishiyongzhongjingchangpengdaodewenti。zhuyaoshiyinweizhuhuiludianyataidi(220V係列低於200V,380V係列低於400V),主要原因:zhengliuqiaomouyilusunhuaihuokekongguisanluzhongyougongzuobuzhengchangdedouyoukenengdaozhiqianyaguzhangdechuxian,qicizhuhuilujiechuqisunhuai,daozhizhiliumuxiandianyasunhaozaichongdiandianzushangmianyoukenengdaozhiqianya.還有就是電壓檢測電路發生故障而出現欠壓問題。
過流現象主要表現如下:
(1)重新啟動時,一升速就跳閘。這是過電流十分嚴重的現象。主要原因有:負載短路,機械部位有卡住;逆變模塊損壞;電動機的轉矩過小等現象引起。
(2)上電就跳,這種現象一般不能複位,主要原因有:模塊壞、驅動電路壞、電流檢測電路壞。
(3)重新啟動時並不立即跳閘而是在加速時,主要原因有:加速時間設置太短、電流上限設置太小、轉矩補償(V/F)設定較高。
zuoweiyonghuwomenzaichangqishiyongbianpinqideguochengzhong,duoshaoyingxuexiyixiejijiucuoshi,guoreshipingshihuipengdaodeyigeguzhang。dangyudaozhezhongqingkuangshi,shouxianhuixiangdaosanrefengshanshifouyunzhuan,guanchajiqiwaibujiuhuikandaofengshanshifouyunzhuan,ruguofengshanbunengzhengchangdegongzuo,bingqiefachujingbaodeshengyin,qingjishilianxichangjiageiyufanchangxiuli。
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