描述
6DD1681-0CA2
作電動(dòng)機(jī)運(yùn)行的同步電機(jī)。由于同步電機(jī)可以通過調(diào)節(jié)勵(lì)磁電流使它在超前功率因數(shù)下運(yùn)行，有利于改善電網(wǎng)的功率因數(shù)，因此，大型設(shè)備，如大型鼓風(fēng)機(jī)、水泵、球磨機(jī)、壓縮機(jī)、軋鋼機(jī)等，常用同步電動(dòng)機(jī)驅(qū)動(dòng)。低速的大型設(shè)備采用同步電動(dòng)機(jī)時(shí)，這一優(yōu)點(diǎn)尤為突出。此外，同步電動(dòng)機(jī)的轉(zhuǎn)速完全決定于電源頻率。頻率一定時(shí)，電動(dòng)機(jī)的轉(zhuǎn)速也就一定，它不隨負(fù)載而變。這一特點(diǎn)在某些傳動(dòng)系統(tǒng)，特別是多機(jī)同步傳動(dòng)系統(tǒng)和精密調(diào)速穩(wěn)速系統(tǒng)中具有重要意義。同步電動(dòng)機(jī)的運(yùn)行穩(wěn)定性也比較高。同步電動(dòng)機(jī)一般是在過勵(lì)狀態(tài)下運(yùn)行，其過載能力比相應(yīng)的異步電動(dòng)機(jī)大。異步電動(dòng)機(jī)的轉(zhuǎn)矩與電壓平方成正比，而同步電動(dòng)機(jī)的轉(zhuǎn)矩決定于電壓和電機(jī)勵(lì)磁電流所產(chǎn)生的內(nèi)電動(dòng)勢的乘積，即僅與電壓的一次方成比例。當(dāng)電網(wǎng)電壓突然下降到額定值的80%左右時(shí)，異步電動(dòng)機(jī)轉(zhuǎn)矩往往下降為64%左右，并因帶不動(dòng)負(fù)載而停止運(yùn)轉(zhuǎn)；而同步電動(dòng)機(jī)的轉(zhuǎn)矩卻下降不多，還可以通過強(qiáng)行勵(lì)磁來保證電動(dòng)機(jī)的穩(wěn)定運(yùn)行。
產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢價(jià)格，大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂。ACSO，橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家
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