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首頁 » 散熱課堂 » 散熱風扇四極與八極性能比較

散熱風扇四極與八極性能比較

人氣:669發表時間:2020-06-01 11:24:16

四與八是散熱風扇橡皮磁鐵的南北拯數,

因應扇葉的重量及所需轉速而決定選擇橡皮磁鐵充四或八極,

通常極敦較高情況轉速較快,而且線圈的阻抗較高,對于圈數的減少有所幫助,但并非一定數越高性能越好,過高不及都是不當,

通常,在小風扇因扇葉面積小、需要高辣速才能產高風量,

而扇葉輕,故可使用八橡皮磁鐵,以提高轉速。

另外,極數越多,耗電較低。

此文關鍵字:散熱風扇四極與八極性能比較
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