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46.某 100kW 直流發電機,定值損失為 8kW,滿載時的可變損失為 6kW,若此發電機於一天內滿載 6小時,半載 12 小時,其餘時間停止運轉(斷電狀態),則此電機全日電能損失為多少?(A) 2
問題詳情
46.某 100kW 直流發電機,定值損失為 8kW,滿載時的可變損失為 6kW,若此發電機於一天內滿載 6小時,半載 12 小時,其餘時間停止運轉(斷電狀態),則此電機全日電能損失為多少?
(A) 280kWh
(B) 246kWh
(C) 216kWh
(D) 198kWh
參考答案
上一篇 :
50.某直流長分路複激式發電機,當負載電流 IL為 40 安培時,端電壓 VL為 110 伏特,分激場電流 If為 2 安培,電樞電阻 Ra 為 0.2 歐姆,串激場電阻 Rs 為 0.3 歐姆,若不
下一篇 :
49.某三相 4 極感應電動機,已知 R2=0.1 Ω,X2=0.4 Ω,欲使啟動時產生最大轉矩,則轉子應串接多少 Ω 的電阻?(A) 0.4 Ω (B) 0.3 Ω(C) 0.2 Ω (D) 0.1
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