140DAI54300

二三相異步電動(dòng)機(jī)溫升試驗(yàn)的方法 
1、三相異步電動(dòng)機(jī)溫升試驗(yàn)--直接法 
　　直接法溫升試驗(yàn)應(yīng)在額定頻率、額定電壓和額定負(fù)載或銘牌電流下進(jìn)行。根據(jù)電機(jī)不同，直接法做溫升試驗(yàn)的試驗(yàn)方法也不同，具體參見(jiàn)《GB/T1032-2012三相異步電動(dòng)機(jī)試驗(yàn)方法》的6.6.2。 
2、三相異步電動(dòng)機(jī)溫升試驗(yàn)--間接法 
　　間接法主要包括降低電壓負(fù)載法、降低電流負(fù)載法、定子疊頻法，具體溫升試驗(yàn)方法參考《GB/T1032-2012三相異步電動(dòng)機(jī)試驗(yàn)方法》的6.6.3。 

●業(yè)從事（DCS系統(tǒng)）（機(jī)器人系統(tǒng)）（大型伺服控制系統(tǒng)）模塊 備件銷售廈門[泰尼電氣有

　　轉(zhuǎn)子流量計(jì)在工業(yè)生產(chǎn)過(guò)程中應(yīng)用較廣，可以測(cè)量多種介質(zhì)的流量，特別適用于中小管徑和低雷諾數(shù)的中小流量測(cè)量。轉(zhuǎn)子流量計(jì)結(jié)構(gòu)簡(jiǎn)單，靈敏度高，量程比寬（10：1），壓力損失小且恒定，對(duì)直管段的要求不高，刻度近似線性，價(jià)格便宜，使用維護(hù)簡(jiǎn)便。但儀表受被測(cè)介質(zhì)密度、粘度、溫度、壓力等因素的影響，其精度一般在1．5級(jí)左右。

三三相異步電動(dòng)機(jī)溫升試驗(yàn)定子繞組溫升的確定方法 
1、電阻法確定定子繞組溫升 
　　具體試驗(yàn)方法參考6.7.1。 
2、埋置檢溫計(jì)法 
　　以埋置檢溫計(jì)法各元件的最高讀數(shù)最為確定繞組溫度的依據(jù)。 
3、溫度計(jì)法 
　　任一溫度計(jì)的最高讀數(shù)即為繞組或其他部分的溫度。 

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