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技術(shù)文章您的位置:網(wǎng)站首頁(yè) >技術(shù)文章 >電磁線(xiàn)圈溫度上升的影響因素有哪些

電磁線(xiàn)圈溫度上升的影響因素有哪些

更新時(shí)間:2021-07-19   點(diǎn)擊次數:3909次

電磁線(xiàn)圈在應用過(guò)程中由于各方面的原因它的溫度會(huì )慢慢的升高,如果沒(méi)有及時(shí)的采取降溫措施,電磁線(xiàn)圈很可能會(huì )因此而被燒損。因此在電磁線(xiàn)圈發(fā)熱的時(shí)候要先找到原因,然后再想辦法降低溫度。如果是直流電磁鐵的時(shí)候,要降低通電線(xiàn)圈的溫度需要將它在電阻中所消耗的能量轉成熱量,降低導線(xiàn)當中的溫度。

如果是交流電磁鐵的時(shí)候,它的線(xiàn)圈溫度上升除了本身的電阻所帶來(lái)的影響外,還有是因為鐵芯的溫度上升。交流磁場(chǎng)當中的鐵芯如果有感應電流的出現,會(huì )有一部分的電能受到損耗,鐵芯的溫度就會(huì )因此而上升,電磁爐也就是利用了這個(gè)原理來(lái)提高溫度的。由于線(xiàn)圈是繞在鐵芯上面的,熱量在傳到線(xiàn)圈了以后,它的溫度就會(huì )減少,為了對鐵芯當中的感應電流損耗進(jìn)行放大,交流電磁鐵和變壓器差不多,最好可以使用相互件能夠起到絕緣作用的矽鋼片作為鐵芯,對它的損耗放大,線(xiàn)圈的溫度就可以得到降低了。

但是,要是電磁鐵一直都是處于通電的狀態(tài),它的溫度也只上升到四十度左右的時(shí)候,這種現象*是正常的


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