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(2)某直流電機在 500 rpm 時之鐵損為 150 W,而在 1000 rpm 時之鐵損為400W 磁通密度保持不變),則在 500 rpm 時之渦流損為?(5 分)
問題詳情
(2)某直流電機在 500 rpm 時之鐵損為 150 W,而在 1000 rpm 時之鐵損為400W 磁通密度保持不變),則在 500 rpm 時之渦流損為?(5 分)
參考答案
上一篇 :
3. (1) 某 10kVA 之單相變壓器,其鐵損為 250W,滿載銅損為 400W,該變壓器在功率因數為 0.8 時,一日之運轉供電情況為:滿載 12 小時,半載 6 小時,無載 6 小時,試求全日
下一篇 :
4. (1)有一部三相、6 極、60Hz、感應電動機,若其滿載轉速為 1116rpm,試求此電動機的轉子頻率為多少?(5 分)
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