ZHU Yongli,SONG Shaoqun,ZHU Guoqiang,et al.An intelligent system for on-line verification of relay settings in subtransmission networks.Automation of Electric Power Systems,2005,29(6):87-92.
In this paper,the operation margin of mho relays(zone 3 impedance relays) is equivalently redefined as function of bus voltages instead of line impedance.
It had the time seen asking the haji won taking a picture of CF in KBS 2TV telecasted on the 30th 'the performance street relay' and hearing a frank story.
为了30日被播放了的 KBS 2TV `文艺表演街转播',河智苑在CF 摄影中时被采访并直率的回答了访谈。
Except the use of time relay to control the pressure maintaining and cooling, the rest all takes a route switch to control the ordinal operation and speed changes for each hydrocylinder.