判断题在直流电机中,pFe、pm及ps为不变损耗A对B错
判断题
在直流电机中,pFe、pm及ps为不变损耗
A
对
B
错
参考解析
解析:
暂无解析
相关考题:
Which statement describes the PFE?()A、The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tablesB、The PFE implements advanced services such as policing, stateless firewall filtering, and class of serviceC、The PFE sends traffic to the RE for systematic packet forwardingD、The PFE receives hardware and environmental status messages from the RE
三相异步电动机(在忽略转子铁损时),其额定功率为()。A、输入电功率P1-转子铜损PCulB、机械功率PΩC、机械功率PΩ-附加损耗PZ-机械损耗PjD、输入电功率Pj-铜损PCu-铁损PFe
填空题在效率表达式中,Σp为总损耗,其中pFe、pm及ps为()损耗。