一台UN=10kV、PN=200kW、COSα=0.707的三相电动机,若要功率因数提高为 0.92,需要多大无功补偿量Qc
参考答案:
解析:114.8kvar
Sally ______ dinner when I came back.[ ]
A. were having
B. was doing
C. was having
D. were doing
eNB的功能有()
A.无线资源管理
B.IP头压缩与用户数据流加密
C.提供到S-GW的用户面数据的路由
D.测量控制与测量报告的配置
E.系统广播消息的调度与传输
F.基于UE业务类型的计费