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易志剛
易志剛
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樓主  發(fā)表于: 2010-04-17 09:38
伺服節能型系統在液壓油路上上的應用方案的一些更改需要的注意事項:
結構:將目前拖動(dòng)油泵的普通三相異步電機更換為永磁同步伺服系統,含伺服電機和伺服驅動(dòng)器,將伺服閥更換為普通安全閥。
控制系統:保留原有的硬件部分。將目前的油泵電機替換成伺服系統,在整個(gè)工作過(guò)程中,油路的壓力和流量要求在不同的動(dòng)作階段是不一樣的。
突出表現在以下幾個(gè)方面:
1.在每個(gè)動(dòng)作過(guò)程中的壓力,流量進(jìn)行了實(shí)施閉環(huán)控制
2.壓力和流量速度可隨時(shí)按預設的曲線(xiàn)快速連續變化
3.壓力和流量速度實(shí)時(shí)檢測和反饋
4.由于伺服電機的輸出功率=輸出扭矩*轉速,可見(jiàn),在采用伺服系統后,不管是生產(chǎn)何種產(chǎn)品,在保壓時(shí)可節約90%的能量,在其他動(dòng)作下至少可節約50%。  
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