æå½¢ï¼Y ï¼æ¥æ³ï¼çº¿çµåU =380 V ç¸çµåU1 = 380/ â3 = 220 v
Z= 3+j4 Z = ï¼3*3+4*4ï¼^0.5 = 5 Ω cosa = 3/5=0.6 sina = 4/5 = 0.8
ä¸ç¸ ï¼æ»åçï¼è§å¨åçï¼ S = 3 * U*U/Z= 3*220*220/5 = 29040 KVA
æååç P = S*cosa = 29040*0.6 = 17424 W
æ ååç Q= S*sina = 29040*0.8 = 23232 Kvar
ä¸è§å½¢ï¼D ï¼æ¥æ³ï¼çº¿çµåU =380 V ç¸çµåU1 = U = 380
Z= 3+j4 Z = ï¼3*3+4*4ï¼^0.5 = 5 Ω cosa = 3/5=0.6 sina = 4/5 = 0.8
ä¸ç¸ ï¼æ»åçï¼è§å¨åçï¼ S = 3 * U*U/Z= 3*380*380/5 = 86640 KVA
æååç P = S*cosa = 86640*0.6 = 51984 W
æ ååç Q= S*sina = 86640*0.8 = 69312 Kvar
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