ABB DTCC901B
完善的馬達保護
完善的馬達保護是對馬達運行過程中的各種運行狀況的詳細信息進行采集跟蹤，通過對故障報警，保護動作(保護脫扣)，以及動作廷時時間的設(shè)定來實現(xiàn)及時準確的保護，保證生產(chǎn)的安全。同時經(jīng)通訊，可以對馬達運行狀況的詳細信息在上位機上進行實時監(jiān)測，并經(jīng)計算機數(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行處理，避免了不必要的停機而對正常生產(chǎn)造成影響，最大限度地保證設(shè)備運行的有效性。
當馬達運行參數(shù)達到預置的報警值時，保護裝置僅進行報警，不觸發(fā)脫扣;但當越限值達到預置的脫扣值時，保護裝置進入脫扣觸發(fā)延時。在預置脫扣延時時間內(nèi)若設(shè)備恢復正常運行，則取消脫扣執(zhí)行;而如果超過延時時限，則保護裝置發(fā)出脫扣信號，驅(qū)動執(zhí)行元件動作，停止電機運行。在馬達控制裝置實現(xiàn)各項保護功能的同時，各種保護信息也由裝置生成并經(jīng)通信接口上送至計算機管理系統(tǒng)。
馬達保護的特點:
●各種保護功能已內(nèi)置在裝置中，可根據(jù)實際需要進行配置。
●通過設(shè)置軟件可輕松選擇所需的保護功能。
●可根據(jù)保護功能的特點設(shè)置為報警并延時脫扣，只報警不脫扣或直接進入延時脫扣保護。
●通過對保護脫扣復位模式的預先設(shè)定，用戶可選擇故障保護脫扣的復位方式，不同的保護功能具有的復位方式不一樣。
■自動復位
■運程復位
■本地復位
■本地及遠程復位
●配套的操作面板MD直接顯示電機電參量及故障信息。
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