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【简答题】
某三相异步电动机的铭牌数据如下:U N =380 V,I N =5 A,P N =7.5 kW,COSø N =0.83,n N =960 r/min。求: (1) 额定状态电动机的输入功率和效率; (15 分) (2) 电动机的额定输出转矩。 (10分)
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举一反三
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