⑵如採正弦脈寬調制機構，其幅度調制指數為 m a = 0 . 8 、頻率調制指數為 m f = 75 、基本波頻率為 f1 = 50 Hz ，求： v ab 之基本波有效值、寫出 v ab

問題詳情

⑵如採正弦脈寬調制機構，其幅度調制指數為 m a = 0 . 8 、頻率調制指數為 m f = 75 、基本波頻率為 f1 = 50 Hz ，求： v ab 之基本波有效值、寫出 v ab 之最低次諧波頻率、如此馬達之極數為 P = 4 ，求其同步旋轉磁場之轉速為多少 rpm？（8 分）

參考答案

答案：A
難度：簡單0.879898
統計：A(1729),B(39),C(27),D(170),E(0) #
個人：尚未作答書單：政府角色

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