问题:主站系统能正确接收远动信息,必须使主站与厂站端的()一致。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:IEC870-5-101FT1.2类别的2种帧格式,分别为长度固...
Friday, September 16, 2022
问题:现场输入值与调度端监控系统显示值之间的综合误差不大于()。A、±0.5%B、±1.5%C、0.02D、0.025...
Wednesday, October 12, 2022
Friday, September 16, 2022
问题:IEEE802.3的物理层协议10BASE-T规定从网卡到集线器...
Friday, September 16, 2022
Friday, September 16, 2022
问题:当电力线路发生三相短路故障时,在短路点将会()。...
Friday, September 16, 2022
问题:主变压器和储油设备区、主控室、配电室、库房附近均应设有消防设施,...
Friday, September 16, 2022
问题:一次设备检修完成后,应将相应的遥信信号投入运行,将与调度自动化设...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:示波器的交流输入档用于测量衡定直流量的数值也行。...
Friday, September 16, 2022
问题:《电网调度自动化系统应用软件基本功能实用要求及验收细则》中规定的...
Friday, September 16, 2022
问题:问答传送方式是以厂、站(所)端的远动装置为主,周期性采集数据,并...
Saturday, September 17, 2022
问题:电力系统应避免经长线路或多及变压器传送无功功率。...
Friday, September 16, 2022
问题:500kV母线电压正常运行时不应超过额定电压()。...
Saturday, September 17, 2022
问题:测得某线路二次功率值与实际二次值相比明显偏小,其可能的原因是()...
Friday, September 16, 2022
问题:下列人员中哪些人员应经过安全知识教育后,方可下现场参加指定的工作...
Friday, September 16, 2022