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tangshi
tangshi
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樓主  發(fā)表于: 2023-06-13 15:34
圖片:
最近做一個(gè)抽風(fēng)機抽風(fēng)做壓力實(shí)驗遇見(jiàn)的問(wèn)題,變頻器型號是:FR-D740-036SC-EC,通風(fēng)機帶一個(gè)風(fēng)輪,慣性大,減速運行,和變頻器停止都會(huì )造成變頻器故障,同樣的變頻器,同樣的風(fēng)機,原先老外做的可以實(shí)現讓風(fēng)機快速降速,快速停止,也沒(méi)有用到制動(dòng),沒(méi)有制動(dòng)電阻,單一調加減速時(shí)間沒(méi)用,假設50HZ啟動(dòng)起來(lái),降到49.5hz可以正常降速,降得少沒(méi)事,一下子降到45HZ就報故障,因為風(fēng)機速度降不下來(lái),但是老外不知道怎么調的參數,可以讓風(fēng)機快速降速和停止,

下邊的圖片是接的線(xiàn),就一個(gè)端子啟動(dòng),和故障輸出,哪個(gè)大佬可以提示提示,
紅云123
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1樓  發(fā)表于: 2023-06-15 09:17
設置一下P10直流制動(dòng)動(dòng)作頻率   p11直流制動(dòng)動(dòng)作時(shí)間   p12直流制動(dòng)動(dòng)作電壓。就可以使風(fēng)機快速停止

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