描述
A6110
一般來說,雙閉環(huán)調(diào)速系統(tǒng)具有比較滿意的動(dòng)態(tài)性能。對(duì)于調(diào)速系統(tǒng),最重要的動(dòng)態(tài)性能是抗擾性能。主要是抗負(fù)載擾動(dòng)和抗電網(wǎng)電壓擾動(dòng)的性能動(dòng)態(tài)跟隨性能在起動(dòng)、升速時(shí),由于電流環(huán)具有很快的動(dòng)態(tài)跟隨性能,因此,動(dòng)態(tài)跟隨性能雙閉環(huán)調(diào)速系統(tǒng)比單閉環(huán)強(qiáng)得多(電流環(huán)保證最大電流起動(dòng))?!∮捎谠到y(tǒng)工作原理復(fù)雜,聯(lián)鎖信號(hào)繁多,我們必須對(duì)其進(jìn)行徹底的研究分析,搞清工作原理,取出所有聯(lián)鎖信號(hào),針對(duì)經(jīng)常出現(xiàn)事故和故障的環(huán)節(jié)進(jìn)行分析,并且制定出解決方案。在PLC程序部分,重點(diǎn)也是聯(lián)鎖信號(hào),中繼均使用置位/復(fù)位指令,安全保護(hù)程序必須要全面、有效。
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