A16B-1210-0471

A16B-1210-0471伺服電機(jī)三相電流不平衡的原因有哪些？

① 三相電壓不平衡。

② 電機(jī)內(nèi)部某相支路的焊接不良或接觸不好。

③ 電機(jī)繞阻匝間短路或?qū)Φ叵嚅g短路。

④ 接線發(fā)生錯(cuò)誤。

怎樣調(diào)節(jié)伺服電機(jī)速度快慢？

伺服電機(jī)是一個(gè)典型的閉環(huán)反饋系統(tǒng)，其減速齒輪組由電機(jī)驅(qū)動(dòng)，其輸出端帶動(dòng)一個(gè)線性的比例電位器作位置檢測(cè)，該電位器把轉(zhuǎn)角坐標(biāo)轉(zhuǎn)化為一比例電壓反饋給控制線路板后，控制線路板將其與輸入的控制脈沖信號(hào)進(jìn)行比較，并產(chǎn)生糾正脈沖，驅(qū)動(dòng)電機(jī)正向轉(zhuǎn)動(dòng)或反向轉(zhuǎn)動(dòng)，使齒輪組輸出位置與期望值一致，逐漸使糾正脈沖趨于為0，從而達(dá)到使伺服電機(jī)定位和定速的目的。

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