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新聞資訊 >> 齒輪換向器的輸入功率應(yīng)該如何確定-

齒輪換向器的負(fù)載功率是p2,當(dāng)換向器每小時(shí)啟動(dòng)次數(shù)小于20次的時(shí)候，尖峰負(fù)荷是額定負(fù)荷的1.5倍時(shí)，換向器的許用輸入功率計(jì)算公式為p2n=p2乘以KA乘以ｓ，
　　當(dāng)換向器每小時(shí)啟動(dòng)次數(shù)為21次-60次之間的時(shí)候，換向器的許用輸入功率計(jì)算公式是P2ｎ＝1.2乘以p2乘以ka乘以s，經(jīng)計(jì)算所得的P2ｎ必須小于或等于換向器額定輸入功率ｐｎ，
　　另外，換向器應(yīng)該是經(jīng)過(guò)熱功率校核計(jì)算，散熱功率不夠時(shí)必須要加冷卻裝置。

齒輪換向器

　　如果換向器的負(fù)載功率ｐ2大于其熱功率PG,那么就必須得加冷裝置。熱功率pa是按照環(huán)境溫度為20℃，每天運(yùn)轉(zhuǎn)10小時(shí)，小時(shí)負(fù)荷率為100%的時(shí)候給出來(lái)的，校核熱功率時(shí)需用ｐ2乘以環(huán)境溫度系數(shù)“ｆ１和小時(shí)”，時(shí)負(fù)荷系數(shù)為ｆ2，計(jì)算結(jié)果如果說(shuō)大于熱功率表中P數(shù)值，那么換向器就必須要采取冷卻措施了。
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