電機機械 直流電動機 - 考試
By Anonymous
at 2016-05-10T16:03
at 2016-05-10T16:03
Table of Contents
200V之直流並激電動機磁場電路電阻400 ohm
電源側輸入額定200V電壓及4.1kW功率
求電樞電流Ia
想法:電源側 IL = 4100/200 = 20.5A
磁場電路電流 If = 200/400 = 0.5A
電樞電流Ia = 20.5 -0.5 = 20A
問題:電源側直接用200V計算即可 或是要用200/(根號3) ?
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電源側輸入額定200V電壓及4.1kW功率
求電樞電流Ia
想法:電源側 IL = 4100/200 = 20.5A
磁場電路電流 If = 200/400 = 0.5A
電樞電流Ia = 20.5 -0.5 = 20A
問題:電源側直接用200V計算即可 或是要用200/(根號3) ?
--
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考試
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