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首頁 » 散熱課堂 » AC風扇運轉原理

AC風扇運轉原理

人氣:3405發表時間:2020-05-29 11:52:01

AC散熱風扇電源為交流,電源電壓會正負交變。

必須依賴電路控制,使兩組線圈輪流工作才能產生不同磁場。

AC風扇因電源頻率固定,所以矽鋼片產生的磁極變化速度,由電源評率決定,頻率越高磁場切換速度越快,理論上轉速也會越快,就像是直流風扇級數越多速度越快的原理一樣。

不過,頻率也不能太快,太快了會造成啟動困難。


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此文關鍵字:AC風扇運轉原理
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