[考題] 電機機械考題:Realtime－2016男生情人節禮物排行榜 , 送女生情人節禮物排行榜 , 送男生情人節禮物排行榜 , 七夕情人節禮物排行榜 , 女生情人節禮物推薦 , 情人節禮物送女生 , 情人節禮物推薦

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批踢踢實業坊 Examination 板

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[考題] 電機機械考題

Jun 17th 2014, 16:19, by mmzznnxxbbcc

作者mmzznnxxbbcc (黃囧龍)

站內Examination

標題[考題] 電機機械考題

時間Tue Jun 17 16:19:05 2014

93原住民特考 http://wwwc.moex.gov.tw/ExamQuesFiles/Question/093/031311600.pdf 第三題一感應電動機之滑差率 S=3％，且定子側與轉子側匝數比為 Ns/Nr = 1/10 若轉子電壓均方根值為100V，試算定子側電壓均方根值大小。（忽略定子側電阻及漏電抗）這題不太確定該怎麼做另外問一題 http://wwwc.moex.gov.tw/ExamQuesFiles/Question/094/035333600.pdf 94第二次地特第四題其中一段將發電機操作於額定電壓及輸出 4 kW 的三相總實功時，摩擦及風阻等機械總損失為150 W，激磁電路及鐵心損失為100 W，則此發電機的三相總輸出虛功為多少乏請問單相負載功率應該是 4000/3 還是 (4000+100+150)/3 謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 140.136.209.179 ※ 文章網址: http://www.ptt.cc/bbs/Examination/M.1402993148.A.C1C.html

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