選xuan擇ze一yi款kuan合he適shi的de變bian頻pin器qi,對dui於yu保bao證zheng變bian頻pin器qi正zheng常chang的de高gao效xiao的de工gong作zuo是shi十shi分fen重zhong要yao的de,但dan是shi變bian頻pin器qi的de正zheng確que的de安an裝zhuang對dui變bian頻pin器qi的de正zheng常chang的de工gong作zuo也ye有you很hen大da的de影ying響,下麵我們來了解一下.
一、當線路電源超過變頻器額定電壓的10倍時,請增加線路電抗器。
二、應采用3%dezukangxianludiankangqilaijiangdiyoudianrongqikaiguan,xianlukaiguan,zhiliumuxianguodianyatuokouhenibianqiguodianliuheguodianyatiaojianyinqidedianyuanxianshuntaidianya。xianludiankangqikegaishanzhenzhengdeshurugonglvyinshubingjiangdiqudongqizhijiandechuanrao。shuruxianludiankangqizaiduanlutiaojianxiaweibianpinqitigongleyixiebaohu。ruguodianyuanbianyaqidekV-A額定值大於驅動kV-A額定值的10倍(bei),則(ze)建(jian)議(yi)使(shi)用(yong)線(xian)路(lu)電(dian)抗(kang)器(qi),以(yi)便(bian)在(zai)電(dian)源(yuan)變(bian)壓(ya)器(qi)短(duan)路(lu)的(de)情(qing)況(kuang)下(xia)將(jiang)驅(qu)動(dong)器(qi)損(sun)壞(huai)降(jiang)至(zhi)最(zui)低(di)。該(gai)線(xian)路(lu)阻(zu)抗(kang)取(qu)決(jue)於(yu)變(bian)頻(pin)器(qi)的(de)短(duan)路(lu)額(e)定(ding)值(zhi)以(yi)及(ji)供(gong)電(dian)配(pei)電(dian)變(bian)壓(ya)器(qi)。具(ju)體(ti)而(er)言(yan),線(xian)路(lu)阻(zu)抗(kang)必(bi)須(xu)大(da)於(yu)或(huo)等(deng)於(yu)電(dian)源(yuan)變(bian)壓(ya)器(qi)額(e)定(ding)值(zhi)與(yu)變(bian)頻(pin)器(qi)額(e)定(ding)值(zhi)的(de)比(bi)率(lv),輸(shu)入(ru)電(dian)源(yuan),輸(shu)出(chu)電(dian)源(yuan)和(he)控(kong)製(zhi)線(xian)路(lu)請(qing)使(shi)用(yong)獨(du)立(li)的(de)導(dao)管(guan)。更(geng)具(ju)體(ti)地(di)說(shuo),連(lian)接(jie)變(bian)頻(pin)器(qi)的(de)電(dian)源(yuan)和(he)控(kong)製(zhi)線(xian)時(shi),應(ying)遵(zun)循(xun)以(yi)下(xia)原(yuan)則(ze):
1、將輸入交流電源線安裝在自己的剛性鋼導管中。
2、將輸出電機接線安裝在自己的剛性鋼導管中。
3、將控製線路安裝在自己的剛性鋼管中。低壓直流控製接線和120fujiaoliukongzhijiexianyingweiyubutongdedaoguanzhong。lianjiedaobianpinqidekongzhibanshi,shuangjiaoxianhepingbixiandouzugoule。jianyishiyongliangxianhesanxianlianjie。duiyuxuduoqudongqi,zuixiaodianxianchicunshi18 AWG。
4、quebaosuoyoudejiedilianjiedoujinmiqiezhengquejiedi。pingbicengyinggaizhizaidianlandeyiduanjiedi,yibimianjiedihuanlu。zaibianpinqiduanlianjiepingbicengshi,jiangqilianjiedaojixiangjiedipianshang。xiaoxin:在將屏蔽層連接到變頻器的接地片之前,務必斷開變頻器的電源。
5、將電源線的控製和反饋線分開至少12英寸。
注意:ruguozaianzhuangduotaibianpinqideqingkuangxia,suoyoubianpinqideshurudianyuanjiexiankeyiweiyutongyidaoguanzhong,erkongzhijiexiankeyiweiyutongyigedaoguanzhong,danmeigedianjideshuchujiexianbixuweiyudandudedaoguanzhong。ciwai,ruguoshiyongyitaibianpinqilaicaozuoduotaidianji,zesuoyoudianjideshuchujiexiankeyizaitongyigeguandaozhong。
三、在zai接jie地di係xi統tong上shang使shi用yong變bian頻pin器qi。切qie勿wu使shi用yong浮fu動dong地di麵mian。一yi些xie製zhi造zao商shang不bu建jian議yi在zai任ren何he亞ya微wei型xing或huo更geng新xin設she計ji的de驅qu動dong器qi上shang使shi用yong浮fu動dong輸shu入ru進jin行xing操cao作zuo。如ru果guo線xian路lu上shang沒mei有you幹gan擾rao,驅qu動dong器qi應ying該gai運yun行xing良liang好hao - 但嚴重的共模噪聲可能會導致誤操作。
注意:某(mou)些(xie)傳(chuan)統(tong)變(bian)頻(pin)器(qi)在(zai)直(zhi)流(liu)總(zong)線(xian)和(he)地(di)之(zhi)間(jian)使(shi)用(yong)一(yi)串(chuan)電(dian)阻(zu),這(zhe)意(yi)味(wei)著(zhe)共(gong)模(mo)噪(zao)聲(sheng)不(bu)是(shi)問(wen)題(ti)。一(yi)些(xie)集(ji)成(cheng)的(de)惠(hui)普(pu)驅(qu)動(dong)器(qi)也(ye)使(shi)用(yong)電(dian)阻(zu)串(chuan),所(suo)以(yi)使(shi)用(yong)這(zhe)些(xie)浮(fu)動(dong)接(jie)地(di)可(ke)能(neng)是(shi)好(hao)的(de)。但(dan)是(shi),對(dui)於(yu)較(jiao)新(xin)的(de)驅(qu)動(dong)器(qi)技(ji)術(shu),不(bu)建(jian)議(yi)使(shi)用(yong)浮(fu)點(dian)係(xi)統(tong)。
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