產(chǎn)品展示
1785-L46C15
點擊次數(shù)：11發(fā)布時間：2017/2/16 15:46:54
更新日期：2017/2/16 15:46:54
所 在 地：中國大陸
產(chǎn)品型號：1785-L46C15
相關(guān)標簽：1785-L46C15
優(yōu)質(zhì)供應(yīng)
詳細內(nèi)容
1785-L46C15
1785-L46C15
V/F控制，就是變頻器輸出頻率與輸出電壓的比值為恒定值或成比例。例如，50HZ時輸出電壓為380V的話，則25HZ時輸出電壓為190V。
變頻器采用V/F控制方式時，對電機參數(shù)依賴不大，V/f控制是為了得到理想的轉(zhuǎn)矩-速度特性，基于在改變電源頻率進行調(diào)速的同時，又要保證電動機的磁通不變的思想而提出的，通用型變頻器基本上都采用這種控制方式。V/f控制變頻器結(jié)構(gòu)非常簡單，但是這種變頻器采用開環(huán)控制方式，不能達到較高的控制性能，而且，在低頻時，必須進行轉(zhuǎn)矩補償，以改變低頻轉(zhuǎn)矩特性。
3、V/F這種控制方式多用于風(fēng)機、泵類節(jié)能型變頻器。V與f的比例關(guān)系是考慮了電機特性而預(yù)先決定的。
備貨，備貨，降降降，火火火，火火火……
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公司名稱：廈門泰尼電氣有限公司
聯(lián)系人：小黃（銷售代表）
聯(lián)系電話：
傳真號碼：（麻煩備注01006收）
手機：18950191386
QQ號碼:2917675397
郵箱：2917675397@qq.com
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