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電動閥的電動執行器的工作條件

人氣:1發表時間:2019/12/13 0:09:50

電動閥的電動執行器由交流或直流電驅動。按動作方式可分為電動開關式和電動外部監控式兩類。電動執行器是能源使用方便,信號傳輸速度和傳輸距離長,便于集中控制,靈敏度和精度高,便于與電氣監測儀表配合,接線安裝簡單。同時,電動執行機構缺點復雜,平均故障率高于氣動執行機構,適用于防爆要求低、空氣不足的場所。

電動閥的電動執行器的“規定條件”是什么

1、環境條件:環境特性,如溫度、濕度、氣壓、磁場、機械沖擊、振動、灰塵等。

2。功率條件:功率特性。

3、負載情況:指影響電動執行器性能的負載特性,如轉矩、被控對象的類型、特性等。

位置變送器采用齒輪傳動,保證位置限位可靠準確。具有角度指示的精密導電塑料電位器便于調試。易懂的電路采用環氧樹脂封裝的模塊結構,高低溫老化,保證電機的穩定性和可靠性,戶外伺服電機過載保護。


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