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1 有一具50kVA、3300V/220V、60Hz之單相變壓器,在額定頻率下做開路及短路試驗,求得數據如下:開路試驗:VOC = 220V IOC = 5.41A POC = 320W短路試驗:VSC = 150V ISC = 15.15A PSC = 480W則下列何者錯誤?
A 此變壓器在半載時的鐵損為160W
B 此變壓器在半載時的銅損為120W
C 滿載時的鐵損為320W
D 滿載時的銅損為480W

滿載鐵損 = 半載鐵損 = 無載鐵損 = POC = 320W

滿載銅損 = PSC = 480W、半載銅損 =0.52× 480 = 120W、無載銅損 = 0 W