本公司供應(yīng)全新羅克韋爾1398-DDM-150伺服驅(qū)動(dòng)器ALLEN BRADLEY，價(jià)格優(yōu)惠，快速交貨，
型號(hào)
:益陽2098-DSD-020-DN羅克韋爾伺服驅(qū)動(dòng)器誠(chéng)信
Allen Bradley 1398-DDM-009-DN
Allen Bradley 1398-DDM-005X-NV
Allen Bradley 1398-DDM-005X-DN
Allen Bradley 1398-DDM-009X
Allen Bradley 1398-DDM-019-DN
Allen Bradley 1398-DDM-009X-DN
Allen Bradley 1398-DDM-005X
Allen Bradley 1398-DDM-005-DN
Allen Bradley 1398-DDM-005
Allen Bradley 1398-DDM-075X
Allen Bradley 1398-DDM-075
Allen Bradley 1398-DDM-010X
Allen Bradley 1398-DDM-010
Allen Bradley 1398-DDM-150
Allen Bradley 1398-DDM-020X
Allen Bradley 1398-DDM-020
Allen Bradley 1398-DDM-030X
Allen Bradley 1398-DDM-030
Allen Bradley 1398-DDM-019X-DN
Allen Bradley 1398-DDM-019X
Allen Bradley 1398-DDM-150X
Allen Bradley 1398-DDM-019
Allen Bradley 1398-DDM-009
:益陽2098-DSD-020-DN羅克韋爾伺服驅(qū)動(dòng)器誠(chéng)信三相異步電動(dòng)機(jī)的啟動(dòng)電路往往比較大，可能對(duì)電源或線路產(chǎn)生較大沖擊。因此對(duì)于一些大型異步電動(dòng)機(jī)，啟動(dòng)時(shí)可采取星三角降壓?jiǎn)?dòng)方式，啟動(dòng)時(shí)定子繞組接成Y接線方式啟動(dòng)，啟動(dòng)電流大大降低，當(dāng)電動(dòng)機(jī)速度接近額定轉(zhuǎn)速時(shí)定子繞組轉(zhuǎn)為△接線方式運(yùn)行。圖所示為采用時(shí)間繼電器自動(dòng)控制Y—△電動(dòng)機(jī)降壓?jiǎn)?dòng)控制電路。圖示星三角降壓?jiǎn)?dòng)控制電路由接觸器、按鈕、熱繼電器、時(shí)間繼電器組成。接觸器KMy用于星形Y降壓?jiǎn)?dòng),接觸器kM△用于三角形△全壓運(yùn)行,時(shí)間繼電器KT用來控制Y形降壓?jiǎn)?dòng)時(shí)間及完成Y一△切換。
