ABB DTCC901B
完善的馬達(dá)保護(hù)
完善的馬達(dá)保護(hù)是對馬達(dá)運(yùn)行過程中的各種運(yùn)行狀況的詳細(xì)信息進(jìn)行采集跟蹤，通過對故障報警，保護(hù)動作(保護(hù)脫扣)，以及動作廷時時間的設(shè)定來實(shí)現(xiàn)及時準(zhǔn)確的保護(hù)，保證生產(chǎn)的安全。同時經(jīng)通訊，可以對馬達(dá)運(yùn)行狀況的詳細(xì)信息在上位機(jī)上進(jìn)行實(shí)時監(jiān)測，并經(jīng)計算機(jī)數(shù)據(jù)處理提供管理信息。在設(shè)備可能產(chǎn)生重大故障前，越限報警可及時提醒管理人員進(jìn)行處理，避免了不必要的停機(jī)而對正常生產(chǎn)造成影響，最大限度地保證設(shè)備運(yùn)行的有效性。
當(dāng)馬達(dá)運(yùn)行參數(shù)達(dá)到預(yù)置的報警值時，保護(hù)裝置僅進(jìn)行報警，不觸發(fā)脫扣;但當(dāng)越限值達(dá)到預(yù)置的脫扣值時，保護(hù)裝置進(jìn)入脫扣觸發(fā)延時。在預(yù)置脫扣延時時間內(nèi)若設(shè)備恢復(fù)正常運(yùn)行，則取消脫扣執(zhí)行;而如果超過延時時限，則保護(hù)裝置發(fā)出脫扣信號，驅(qū)動執(zhí)行元件動作，停止電機(jī)運(yùn)行。在馬達(dá)控制裝置實(shí)現(xiàn)各項保護(hù)功能的同時，各種保護(hù)信息也由裝置生成并經(jīng)通信接口上送至計算機(jī)管理系統(tǒng)。
馬達(dá)保護(hù)的特點(diǎn):
●各種保護(hù)功能已內(nèi)置在裝置中，可根據(jù)實(shí)際需要進(jìn)行配置。
●通過設(shè)置軟件可輕松選擇所需的保護(hù)功能。
●可根據(jù)保護(hù)功能的特點(diǎn)設(shè)置為報警并延時脫扣，只報警不脫扣或直接進(jìn)入延時脫扣保護(hù)。
●通過對保護(hù)脫扣復(fù)位模式的預(yù)先設(shè)定，用戶可選擇故障保護(hù)脫扣的復(fù)位方式，不同的保護(hù)功能具有的復(fù)位方式不一樣。
■自動復(fù)位
■運(yùn)程復(fù)位
■本地復(fù)位
■本地及遠(yuǎn)程復(fù)位
●配套的操作面板MD直接顯示電機(jī)電參量及故障信息。
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