ABB PM510V16
ABB PM510V16
ABB PM510V16
速異步電動機(jī)異步電動機(jī)是各類電機(jī)中結(jié)構(gòu)簡單、制造容易、使用普遍的電機(jī),其設(shè)計和制造技術(shù)已相當(dāng)成熟,應(yīng)用于在技術(shù)上已不存在大的困難。為了提高比功率,應(yīng)從以下幾點(diǎn)進(jìn)行重點(diǎn)研究:在機(jī)械強(qiáng)度允許的條件下,盡可能提高電機(jī)的轉(zhuǎn)速;結(jié)構(gòu)材料采用耐高溫、高強(qiáng)度、重量輕的欽合金。
采用高導(dǎo)磁、低損耗鐵磁材料,提高電機(jī)磁負(fù)荷;采取耐高溫設(shè)計措施,采用耐高溫絕緣材料,提高電機(jī)電磁負(fù)荷;結(jié)構(gòu)設(shè)計上采取措施,減小電機(jī)的體積和重量。齒輪減速器可采用成熟的齒輪減速器技術(shù)并進(jìn)行改進(jìn)。在滿足傳遞功率的前提下,通過結(jié)構(gòu)優(yōu)化設(shè)計,采用高強(qiáng)度結(jié)構(gòu)材料,盡量減小減速器的體積和重量。
變頻器相對普通變頻器來說,上使用變頻器有兩個非常有利的條件:由動力電池直流供電,可直接進(jìn)行DC一AC逆變,比普通變頻器少一個整流環(huán)節(jié),使用功率器件數(shù)量大大減少,電路復(fù)雜程度低,轉(zhuǎn)換效率高,可靠性高。
熱拉伸工藝是通過用蒸汽對睛綸纖維進(jìn)行加熱,然后拉伸4-5倍。它由拉伸機(jī)來完成,拉伸機(jī)分進(jìn)口和出口兩部分,配有兩組羅拉,由兩臺異步電機(jī)驅(qū)動,電機(jī)的功率是18.5kw和5kw,各配有兩臺變頻器進(jìn)行調(diào)速(可單獨(dú)調(diào)速或2臺組速度比例同步調(diào)節(jié))。
成型是將已拉伸好的絲束加以折疊,它由成型機(jī)來完成,成型機(jī)配有一對導(dǎo)絲棍和兩組星形羅拉,該設(shè)備是由熱拉伸出口5kw異步電機(jī)經(jīng)長軸傳動加以驅(qū)動,絲束經(jīng)導(dǎo)絲棍分成兩股分別進(jìn)人兩組星形羅拉完成成型。
ABB PM510V16
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