問題詳情
▲閱讀下文，回答第 19-21 題圖(十一)為汽車充電系統電路，其中磁場線圈繞在發電機轉子上，電樞線圈有 3 組線圈，並繞在發電機定子上。引擎發動後，發電機可供電給車上電器及電瓶充電使用。當發電機的輸出電壓或溫度太高時，磁場線圈的電流受電路控制而減少，以降低發電機的發電量。
19. 此發電機為下列哪一種型式？
(A) 直流發電機
(B) 單相交流發電機
(C) Y型三相交流發電機
(D) Δ 型三相交流發電機
參考答案
無參考答案
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