問題詳情
49.某工廠負載爲480 KW，功率因數爲0.6滯後，現欲並聯電容器將功率因數提升到0.8，則所需電容器的容量爲：
(A) 120 KVAR
(B) 200 KVAR
(C) 280 KVAR
(D) 320 KVAR
(A) 120 KVAR
(B) 200 KVAR
(C) 280 KVAR
(D) 320 KVAR
參考答案
答案：C
難度：適中0.445312
統計：A(19),B(24),C(57),D(28),E(0)
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