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再見(jiàn)理想
雖然時(shí)間很遙遠，但從未停止過(guò)。
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樓主  發(fā)表于: 2009-03-09 15:02
變頻器在一秒鐘內頻繁的升降速是否會(huì )對變頻的性能及壽命有影響？
[img]Http://wyqpyx.com/attachment/Mon_2311/18_25997_2865e2881f154e3.jpG[/img]
xyd_hsn10
jakenghuang
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1樓  發(fā)表于: 2009-04-30 17:04
引用
引用第9樓YMMFA于2009-04-24 17:45發(fā)表的  :
要充分考慮負載，電動(dòng)機，變頻器，在1秒內加多少速，減多少速等情況
比如電機在滿(mǎn)負荷情況下，在10HZ~50HZ之間這樣一直頻繁來(lái)回，電機以及變頻損壞的可能比平時(shí)大得多
而如果是在45HZ~50HZ之間頻繁來(lái)回，應該就無(wú)所謂
或者如果電機力矩夠大，那就無(wú)所謂
舉個(gè)道理，你兒子一歲的時(shí)候，我把他上上下下猛舉，沒(méi)關(guān)系
.......

真是有到理，

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