摘要：對(duì)媽灣發(fā)電總廠2號(hào)卸船機(jī)給煤皮帶變頻器出現(xiàn)的幾次短路故障的處理過(guò)程為基礎(chǔ)總結(jié)出引發(fā)此類故障的多種原因和處理方法。 關(guān)鍵詞：橋式抓斗卸船機(jī)；ACS600變頻器；短路故障；原因分析 [b][align=center]Short circuit fault analysis of moOrS frequency converter of coal—-feed belt and its handling CHEN Haimin （Shenzhen Graduate School 0f Shanghai Jiaotong University，Shenzhen 518054。China）[/align][/b] Abstract：Focusing on the short circuit faults occurred in the feeder belt frequency converter of the No．2 ship unloader in Mawan general power plant of Shenzhen electric power group，the reasons resulted in faults were analyzed and s0me means to han dling an d prevention were presented in the paper． Key words：bridge—type grab ship unloader；ACS600 frequency converter；shot circuit fault；reason analysi 給煤皮帶是橋式抓斗卸船機(jī)物料系統(tǒng)的重要設(shè)備之一，為了便于調(diào)整出力，一般由變頻器控制調(diào)速。媽灣發(fā)電總廠煤碼頭2號(hào)橋式抓斗卸船機(jī)給煤皮帶電機(jī)的有關(guān)技術(shù)參數(shù)：400 V，15 kW ×2，30 A，1460 rpm；采用ABB公司的ACS600變頻器傳動(dòng)，其型號(hào)為：ACS601—0050—3，50 kW。近期出現(xiàn)過(guò)幾次“短路”故障，檢查處理結(jié)果各不相同。為總結(jié)經(jīng)驗(yàn)教訓(xùn)，便于同行交流，寫下此文。 1 故障現(xiàn)象 給煤皮帶啟動(dòng)不久，ACS600變頻器控制面板報(bào)“SHORT CIRC”（短路）故障，需復(fù)位解除，停用一段時(shí)問(wèn)后又能工作一段時(shí)間。 [b][align=center]詳細(xì)內(nèi)容請(qǐng)點(diǎn)擊： 給煤皮帶電機(jī)變頻器短路故障原因分析和處理[/align][/b]