產(chǎn)品系列：JR系列繞線型三相異步電動(dòng)機(jī)詳細(xì)資料：無瀏覽次數(shù)：171一、主要用途 JS、JR、JK、JSL系列電動(dòng)機(jī)為中型三相異步電動(dòng)機(jī)?？晒?qū)動(dòng)各種不同機(jī)械，如通風(fēng)機(jī)、壓縮機(jī)、水泵、破碎機(jī)、切削機(jī)床、運(yùn)輸機(jī)械及其它設(shè)備之用。廣泛應(yīng)用于煤礦、機(jī)械工業(yè)、發(fā)電廠、鋼鐵廠及各種工礦企業(yè)中無防爆、防腐要求的場合作原動(dòng)機(jī)之用。二、結(jié)構(gòu)型式和特點(diǎn) JK系列為高速電機(jī)，同步轉(zhuǎn)速3000轉(zhuǎn)/分鐘，其余三個(gè)系列電機(jī)的同步轉(zhuǎn)速有1500、1000、750、600、500、375轉(zhuǎn)/分鐘供選擇。 電機(jī)為防護(hù)式。JS、JR、JK系列電機(jī)也可制成管道通風(fēng)式。采用二側(cè)對稱的徑向通風(fēng)系統(tǒng)。 JS、JR系列電機(jī)的基本安裝形式為臥式D2結(jié)構(gòu)，即具有二個(gè)端蓋軸承和一個(gè)圓柱形軸伸?？刹捎寐?lián)軸器與被驅(qū)動(dòng)機(jī)械聯(lián)接。部分電動(dòng)機(jī)可制成DD2結(jié)構(gòu)，即電機(jī)安裝在鑄鐵底板上，并裝有第三個(gè)座式軸承，便于用戶安裝皮帶輪。JS系列電機(jī)可以按照用戶要求制成雙軸伸電機(jī)。 JK系列電機(jī)的基本安裝形式亦為臥式DD2結(jié)構(gòu)，具有二個(gè)圓柱形軸伸，其任一個(gè)軸伸都可以用來傳遞電動(dòng)機(jī)的額定功率。 JSL系列電動(dòng)機(jī)為立式結(jié)構(gòu)。 JS、JK、JSL系列為鼠籠型電動(dòng)機(jī)。允許全電壓直接啟動(dòng)。 JR系列為三相繞線型電動(dòng)機(jī)，通過轉(zhuǎn)子外接電阻，能在較小的起動(dòng)電流下具有較大的起動(dòng)轉(zhuǎn)矩，并能在小范圍內(nèi)調(diào)速?；h(huán)裝在非工作軸伸上，外有防護(hù)罩。電流自線圈經(jīng)過軸孔中的電纜通到滑環(huán)和電刷，防止電刷粉末沾污繞組，減輕了線圈的維護(hù)工作。 額定頻率50Hz，額定電壓有220/380V、380V、3000V、6000V四種。 按用戶要求，可制作頻率60Hz，異電壓和額定電壓10000V的高壓電機(jī)。 高壓電動(dòng)機(jī)定子主絕緣采用環(huán)氧粉云母帶包扎，并經(jīng)真空干燥處理。整體壓力浸漬絕緣，性能可靠。型號額定功率KW額定電壓V滿載時(shí)最大轉(zhuǎn)矩────額定轉(zhuǎn)矩倍轉(zhuǎn)子轉(zhuǎn)子轉(zhuǎn)動(dòng)慣量kg.m2轉(zhuǎn)速r.p.m額定電流A效率%功率因數(shù)cos 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