[問題] 為什麼直流馬達比較省電
首次發文請各位大大多多指教~~
家中有最近賣了新的電扇,是直流馬達的,在相同的電功率下,與傳統的交流馬達相比,的確風速較大,聲音也比較小。想請教板上各位大大原因為何?
謝謝!
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