西門子G150變頻器開機報警F30021修理電話

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變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)常見的(de)(de)(de)(de)(de)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)壓(ya)(ya)有三類：加(jia)速過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)壓(ya)(ya)、減速過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)壓(ya)(ya)、恒速過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)壓(ya)(ya)。過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)壓(ya)(ya)報警(jing)一(yi)(yi)般(ban)是(shi)出現(xian)(xian)在停機(ji)的(de)(de)(de)(de)(de)時(shi)候，其主要原(yuan)因是(shi)減速時(shi)間(jian)太短(duan)或(huo)(huo)沒(mei)有安裝(zhuang)制(zhi)(zhi)動電(dian)(dian)(dian)(dian)阻及制(zhi)(zhi)動單元。變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)出現(xian)(xian)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)壓(ya)(ya)故障，一(yi)(yi)般(ban)是(shi)過(guo)(guo)(guo)載(zai)啟動或(huo)(huo)者(zhe)帶料(liao)啟動時(shi)，變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)源中，使(shi)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)直流側的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)檢(jian)測器(qi)(qi)(qi)(qi)動作(zuo)而跳閘，在這(zhe)種(zhong)情況下(xia)，通(tong)常只(zhi)須斷(duan)開變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)源 幾秒，再(zai)合上電(dian)(dian)(dian)(dian)源，即可復位；另一(yi)(yi)種(zhong)情況是(shi)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)驅動大慣性(xing)負載(zai)時(shi)，其減速時(shi)間(jian)設置“較(jiao)短(duan)"，因為這(zhe)種(zhong)情況下(xia)，變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)減速停止屬(shu)于(yu)再(zai)生制(zhi)(zhi)動，在停止過(guo)(guo)(guo)程中，變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)輸出頻(pin)率(lv)按線性(xing)下(xia)降，而負載(zai)電(dian)(dian)(dian)(dian)機(ji)的(de)(de)(de)(de)(de)頻(pin)率(lv)高于(yu)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)輸出頻(pin)率(lv)，負載(zai)電(dian)(dian)(dian)(dian)機(ji)處于(yu)發(fa)電(dian)(dian)(dian)(dian)狀(zhuang)態(tai)，西門子G150變頻器開機報警F30021修理電話機械能轉化為(wei)電(dian)(dian)(dian)能，并被變(bian)(bian)頻(pin)(pin)器直流側(ce)的平波電(dian)(dian)(dian)容吸收，當這(zhe)(zhe)種能量足夠(gou)大(da)時，就會產(chan)生所謂的“泵(beng)升現(xian)象"，變(bian)(bian)頻(pin)(pin)器直流側(ce)的電(dian)(dian)(dian)壓(ya)會超(chao)過(guo)直流母線的最大(da)電(dian)(dian)(dian)壓(ya)而(er)跳閘，對于這(zhe)(zhe)種故(gu)障(zhang)(zhang)，一是(shi)將(jiang)“減速時間"（P1121）參數設(she)置(zhi)長些；二是(shi)安裝(zhuang)制動單元，增大(da)制動電(dian)(dian)(dian)阻；三是(shi)將(jiang)變(bian)(bian)頻(pin)(pin)器的停止方(fang)式設(she)置(zhi)為(wei)“自由(you)停車"。還有一種情(qing)況(kuang)變(bian)(bian)頻(pin)(pin)器在(zai)電(dian)(dian)(dian)機空載時工作(zuo)正常，但不能帶負載啟動，這(zhe)(zhe)種問題常常出現(xian)在(zai)恒(heng)轉矩(ju)負載。遇到此類問題時應重(zhong)點檢查加、減速時間(P1121)設(she)定或提升轉矩(ju)功能，因而(er)變(bian)(bian)頻(pin)(pin)器直流回路(lu)電(dian)(dian)(dian)壓(ya)升高，超(chao)過(guo)其(qi)保護(hu)值，出現(xian)故(gu)障(zhang)(zhang)。