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飛利浦彩超機開機屏幕不亮無顯示當天修好
飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)進(jin)(jin)不(bu)(bu)了(le)(le)系(xi)統(tong)(tong)):飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)(ji)進(jin)(jin)不(bu)(bu)了(le)(le)系(xi)統(tong)(tong)界(jie)面維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)啟動(dong)(dong)(dong)進(jin)(jin)不(bu)(bu)去系(xi)統(tong)(tong)主(zhu)界(jie)面維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)啟動(dong)(dong)(dong)卡(ka)在開(kai)機(ji)(ji)(ji)(ji)畫面不(bu)(bu)動(dong)(dong)(dong)維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)啟動(dong)(dong)(dong)停在初始化界(jie)面不(bu)(bu)動(dong)(dong)(dong)維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)(ji)進(jin)(jin)度條一(yi)直不(bu)(bu)動(dong)(dong)(dong)維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)無(wu)法進(jin)(jin)入用戶系(xi)統(tong)(tong)維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)進(jin)(jin)不(bu)(bu)了(le)(le)操作系(xi)統(tong)(tong)界(jie)面維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)(ji)停留啟動(dong)(dong)(dong)在畫面,無(wu)法進(jin)(jin)入系(xi)統(tong)(tong)維(wei)(wei)修(xiu) 飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)(ji)總在啟動(dong)(dong)(dong)界(jie)面死機(ji)(ji)(ji)(ji)不(bu)(bu)動(dong)(dong)(dong)維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)(ji)走一(yi)半不(bu)(bu)動(dong)(dong)(dong)維(wei)(wei)修(xiu),飛(fei)(fei)利浦(pu)(pu)(pu)(pu)彩(cai)(cai)(cai)超(chao)機(ji)(ji)(ji)(ji)開(kai)機(ji)(ji)(ji)(ji)不(bu)(bu)能進(jin)(jin)入程序維(wei)(wei)修(xiu)
用歐(ou)(ou)姆(mu)表測(ce)量輸(shu)出端和dc連接端a、d的(de)阻抗(見附圖(tu)),每(mei)個通(tong)過改變歐(ou)(ou)姆(mu)表的(de)極性(xing)測(ce)兩次,若變頻器的(de)igbt完好,則(ze)應是(shi)(shi):從(cong)u2到(dao)a為(wei)低阻值(zhi)(zhi),反之(zhi)(zhi),高(gao)阻值(zhi)(zhi);從(cong)u2到(dao)d高(gao)阻值(zhi)(zhi);反之(zhi)(zhi),低阻值(zhi)(zhi)。其它相也是(shi)(shi)如(ru)此。當(dang)igbt斷開時,兩次都是(shi)(shi)高(gao)阻值(zhi)(zhi),若短(duan)路時都是(shi)(shi)低阻值(zhi)(zhi)故障信息顯示為(wei)“pulsed resistor”,意即能耗電阻過載,產生的(de)原因(yin)有三個方面,再生制(zhi)動電壓過高(gao),制(zhi)動功率過高(gao)或制(zhi)動時間(jian)過短(duan)。能耗電阻器是(shi)(shi)一(yi)個附加元(yuan)件,由于紡織(zhi)化纖設備的(de)負載是(shi)(shi)大(da)慣性(xing)負載,飛利浦彩超機開機屏幕不亮無顯示當天修好因(yin)此在(zai)變(bian)頻(pin)器的(de)直流部(bu)分并聯一個大功(gong)率開(kai)關管和能耗電(dian)(dian)阻器到da接線(xian)上(shang),它(ta)的(de)作用主要(yao)是在(zai)電(dian)(dian)源開(kai)啟、關斷(duan)狀態或在(zai)加載狀態時,動態地(di)限(xian)制da線(xian)上(shang)的(de)過壓。但當制動電(dian)(dian)流超(chao)過額定時會中斷(duan)運行。一般也是兩種情(qing)況