R=6Ω X=8Ω Z=(R^2+X^2)^0.5=(36+64)^0.5=10Ω
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线çµå U1=U=380V ç¸çµæµ I1=U1 / Z = 380 / 10 = 38A
ä¸ç¸æ»è§å¨åçP = 3 * U1 *I1=3 *380 *38 = 43320 VA
æååçP1 = 3 * I1 * I1 * R = 3 * 38 * 38 * 6 = 25992 W
æ ååçP2 = 3 * I1 * I1 * X = 3 * 38 * 38 * 8 = 34656 ar
æå½¢è¿æ¥æ¶ï¼ç¸çµåçäºçº¿çµå /â3 U1=U / â3 = 380 / â3 = 220V ç¸çµæµ I1=U1 / Z = 220 / 10 = 22A
ä¸ç¸æ»è§å¨åçP = 3 * U1 *I1=3 *220 *22 = 14520 VA
æååçP1 = 3 * I1 * I1 * R = 3 * 22 * 22 * 6 = 8712 W
æååçP2 = 3 * I1 * I1 * X = 3 * 22 * 22 * 8 = 11616 ar