摘要
围绕输电线路行波测距装置性能试验方法问题,分析影响测距装置感受行波的因素,提出行波传播全过程仿真概念,给出用两端口网络描述电流互感器行波传变特性的方法,实现了包括输电线路故障、电流互感器传变、二次电缆传播、二次负荷模拟的行波传播全过程仿真,仿真获得的行波波形与现场记录行波波形相似。针对工程应用完成行波传播全过程仿真,利用研究的方法和研制的装置完成了直流输电线路行波测距装置的现场试验。
For the performance test methods of traveling wave fault locating device for transmission line,the influencing factors on the recept of traveling wave by fault locating device are analyzed.The whole-process simulation of traveling wave propagation is proposed.The characteristics of traveling wave propagation through current transducer is described with a two-port network,which is applied to realize the whole-process simulation of traveling wave propagation,including transmission line fault,current transducer transferring,secondary cable transmission and secondary load simulation.The simulative waveform is similar to the site recorded one.The whole-process simulation of traveling wave propagation is accomplished forthe engineering application and the site test of designed traveling wave fault locating device for DC transmission line is completed.
出处
《电力自动化设备》
EI
CSCD
北大核心
2011年第6期74-79,共6页
Electric Power Automation Equipment
关键词
输电
行波试验
行波传播
仿真
电流互感器
行波传变特性
electric power transmission
traveling wave test
traveling wave propagation
computer simulation
current transducer
traveling wave transfer characteristics
