德國(guó)SIEMENS6AG13228BH107AB0寬溫模塊
德國(guó)SIEMENS6AG13228BH107AB0寬溫模塊
德國(guó)SIEMENS6AG13228BH107AB0寬溫模塊
電機(jī)硬啟動(dòng)對(duì)電網(wǎng)造成嚴(yán)重的沖擊，而且還會(huì)對(duì)電網(wǎng)容量要求過高，啟動(dòng)時(shí)產(chǎn)生的大電流和震動(dòng)時(shí)對(duì)擋板和閥門的損害很大，對(duì)設(shè)備、管路的使用壽命極為不利。而使用變頻節(jié)能裝置后，利用變頻器的軟啟動(dòng)功能將使啟動(dòng)電流從零開始，大值也不超過額定電流，減輕了對(duì)電網(wǎng)的沖擊和對(duì)供電容量的要求，延長(zhǎng)了設(shè)備和閥門的使用壽命，節(jié)省了設(shè)備的維護(hù)費(fèi)用。
從理論上講，變頻器可以用在所有帶有電動(dòng)機(jī)的機(jī)械設(shè)備中，電動(dòng)機(jī)在啟動(dòng)時(shí)，電流會(huì)比額定高5-6倍的，不但會(huì)影響電機(jī)的使用壽命而且消耗較多的電量.系統(tǒng)在設(shè)計(jì)時(shí)在電機(jī)選型上會(huì)留有一些余量，電機(jī)的速度是固定不變，但在實(shí)際使用過程中，有時(shí)要以較低或者較高的速度運(yùn)行，因此進(jìn)行變頻改造是非常有必要的。變頻器可實(shí)現(xiàn)電機(jī)軟啟動(dòng)、補(bǔ)償功率因素、通過改變?cè)O(shè)備輸入電壓頻率達(dá)到節(jié)能調(diào)速的目的，而且能給設(shè)備提供過流、過壓、過載等保護(hù)功能。
小李 15306977204（微信同號(hào)）
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