電機用電的情況由電流的監測情況來反應,電機的過載會導致電流偏大,負載的松脫會導致電流的偏小,而繞組絕緣受損或者人員的觸電則會導致電流的不平衡。今天山東盛華電機生產廠家為大家淺析同步電機操作交流電測量誤差過大的原因。
直(zhi)流電壓(ya)(ya)差值(zhi)過大(da):直(zhi)流電壓(ya)(ya)差值(zhi)主要包括兩種,當(dang)直(zhi)流電壓(ya)(ya)的最低(di)值(zhi)發生差值(zhi)時(shi),平(ping)常就(jiu)會幾類(lei)主要原因:
六是外接(jie)電(dian)(dian)源(yuan)適配器(qi)的(de)(de)難(nan)題(ti),供電(dian)(dian)系統電(dian)(dian)壓電(dian)(dian)流大(da)小(xiao)(xiao)的(de)(de)不失(shi)衡(heng)會直接(jie)性影(ying)響高(gao)壓電(dian)(dian)機電(dian)(dian)流大(da)小(xiao)(xiao)的(de)(de)不失(shi)衡(heng),對(dui)外接(jie)電(dian)(dian)源(yuan)適配器(qi)的(de)(de)檢測是緩解該(gai)類難(nan)題(ti)的(de)(de)準許方案(an);
第二是繞阻(zu)的(de)老化(hua)測試(shi)測試(shi),伺服電(dian)機持久(jiu)運作后(hou),行也會有繞阻(zu)老化(hua)測試(shi)測試(shi)的(de)干涉現象時有的(de)發生(sheng),引發繞阻(zu)的(de)結(jie)果時有的(de)發生(sheng)轉化(hua),形成感(gan)應電(dian)流不發展的(de)造成,行經過停止時,檢修繞阻(zu)的(de)匝間、繞阻(zu)阻(zu)值的(de)手段來自查(cha)這(zhe)一疑問;
三是電(dian)(dian)(dian)動機(ji)定子(zi)的電(dian)(dian)(dian)隔絕間題(ti),這樣間題(ti)時有發生時,電(dian)(dian)(dian)動機(ji)的某相并且某幾相電(dian)(dian)(dian)流值會突(tu)出增大,自動上(shang)鏈(lian)的效率降低等不良(liang)情況的發生,應先實時停用(yong)查驗電(dian)(dian)(dian)動機(ji)定子(zi)的兩色電(dian)(dian)(dian)隔絕并且 對地電(dian)(dian)(dian)隔絕。
電(dian)(dian)(dian)流(liu)不(bu)(bu)平(ping)衡:不(bu)(bu)同(tong)于電(dian)(dian)(dian)機(ji)的(de)電(dian)(dian)(dian)流(liu)數(shu)值(zhi)(zhi)不(bu)(bu)平(ping)衡,當電(dian)(dian)(dian)機(ji)的(de)對(dui)地絕(jue)緣產生(sheng)(sheng)問題(ti)時,可能反應(ying)在(zai)三(san)相電(dian)(dian)(dian)流(liu)數(shu)值(zhi)(zhi)上的(de)變(bian)化(hua)并不(bu)(bu)明顯(xian),三(san)相電(dian)(dian)(dian)流(liu)數(shu)值(zhi)(zhi)并未(wei)明顯(xian)增大(da),同(tong)時三(san)相電(dian)(dian)(dian)流(liu)的(de)數(shu)值(zhi)(zhi)也并未(wei)失(shi)衡,但(dan)通(tong)過諸如專業的(de)功率分析儀(yi)等儀(yi)器設(she)備,對(dui)電(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)流(liu)進行分析,會發現(xian)有(you)零(ling)序負(fu)序電(dian)(dian)(dian)流(liu)的(de)產生(sheng)(sheng),意味(wei)著電(dian)(dian)(dian)機(ji)對(dui)地產生(sheng)(sheng)了(le)明顯(xian)的(de)放電(dian)(dian)(dian)現(xian)象。盛(sheng)華電(dian)(dian)(dian)機(ji)的(de)生(sheng)(sheng)產廠商(shang)提醒(xing)各(ge)大(da)企業,提早的(de)發現(xian)這(zhe)類問題(ti)能夠在(zai)絕(jue)緣徹底(di)擊穿前解(jie)決這(zhe)類隱患(huan)。
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