[問題] 變壓器的觀念 交流轉直流
看板Electronics作者anarduous (努力!智慧!勇氣!)時間16年前 (2009/10/24 14:14)推噓12(12推 0噓 25→)留言37則, 6人參與討論串1/4 (看更多)
交流電的波形是正負弦狀,每秒鐘電流方向改變120次
透過變壓器降壓V(輸出)=(Ns/Np)*V(輸入)
但是透過感應線圈產生的電壓是不是也會每秒鐘電流方向改變120次?
如何變成直流電的+12v呢?
謝謝:)
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