1771-IFEK
1771-IFEK
1771-IFEK
四、注意事項(xiàng)
1、由于空氣壓縮機(jī)的轉(zhuǎn)動(dòng)慣量大，在選用變頻器時(shí)應(yīng)根據(jù)具體的工況條件和現(xiàn)場(chǎng)的運(yùn)行電流情況確定選配的變頻器容量。
2、壓力傳感器應(yīng)在壓力變化不是相對(duì)劇烈地方，最好安裝在儲(chǔ)氣罐上。為避免干擾，壓力傳感器的信號(hào)盡量采用4～20mA電流信號(hào)，傳輸線用雙芯屏蔽線。
3、在變頻器的控制系統(tǒng)中應(yīng)設(shè)有開(kāi)環(huán)和閉環(huán)兩種控制模式，以便于調(diào)試和特殊情況下使用。
4、由于空氣壓縮機(jī)不允許長(zhǎng)期工作在低頻狀態(tài)下，在低頻下運(yùn)行不但穩(wěn)定性變差，而且容易出現(xiàn)喘振，另一方面也使缸體的潤(rùn)滑變差，會(huì)加快磨損，故應(yīng)設(shè)定合理的、有效的、安全的工作頻率下限。具體的設(shè)定要根據(jù)不同的工況、不同的使用條件和要求，耐心細(xì)致地調(diào)整。
五、節(jié)能改造后的效果
壓縮機(jī)于2005年8月改造完成，經(jīng)過(guò)三個(gè)月的運(yùn)行，達(dá)到了預(yù)想的目的。不論生產(chǎn)工藝如何改變，也不論供氣量如何改變，恒壓供氣的氫氣壓力維持在0.8MPa左右，供氣質(zhì)量大幅度提高。
變頻調(diào)速后，空壓機(jī)零速平滑起動(dòng)，提高生產(chǎn)安全性。氫壓縮機(jī)任何時(shí)候不再是全速運(yùn)轉(zhuǎn)，轉(zhuǎn)速降低后，工作環(huán)境噪音也相應(yīng)下降；轉(zhuǎn)速降低后，機(jī)械的磨損隨之減小，有利于增長(zhǎng)壓縮機(jī)的壽命，降低維修成本。
節(jié)能方面，由壓縮機(jī)的公式可見(jiàn)，壓縮機(jī)消耗的軸功率PZ(kW)與軸轉(zhuǎn)速n(r/min)成正比，而壓縮機(jī)的排氣量QD(m3/min)又與軸轉(zhuǎn)速成正比，則壓縮機(jī)消耗的軸功率PZ(kW)就與壓縮機(jī)的排氣量QD(m3/min)成正比，降低轉(zhuǎn)速可節(jié)省軸功率，經(jīng)實(shí)測(cè)節(jié)電率達(dá)到26%，取得了較好的經(jīng)濟(jì)效益。
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ORIENTAL MOTOR PK596AW1-T10 with UDK5114NW2 Driver
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ChampionChip systems MINI READER .
MST HONEYWELL 4-20MA SATELLITE XT GAS DETECTOR NEW
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2 BAUMER OADM 12l6430 LASER DISTANCE SENSOR & BPCD45
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